Imperial systems use inches and feet, and these are the standard units. 3mm 2. ). This key stock is undersized, so keys will fit slightly more loosely than standard keys and are best for inconsistent keyways. Includes Tapping Drill Sizes for Thread Cutting Taps 17 Inches Tall x 11 Inches Wide when folded out. Machine keys are installed in a keyed joint and are typically designed to fail before other components often saving more. ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). 020 0. MPTA. B18. They meet DIN 6887, an international standard for machine keys. 3) Keyway fillet radius to be specified by customer. Pilot hole for machining to desired bore size and configuration. scope: This standard presents inch dimensions, tolerances, and sizes for straight bores, tapered bores, single keys and keyways for unmounted industrial flexible couplings. 3D Printing & CAD. This SAE Standard specifies basic tolerances and dimensions for inboard propeller-shaft ends, propeller hubs and keyways for shaft sizes 3/4 in (19 mm) through 8 in (203 mm). Related. One of the following methods should be used to specify keyways: Metric: WxH Key W x T2 Keyway British: WxH12 Key W x H Keyway ISO Standard-mm Imperial -Inches 3. PFEIFER INDUSTRIES, LLC. The first is Js9. C, Cotter Pin Hole has centerline. 093 / . 1 Square Keyway Tolerances Minimum 2. 5 +. Certified drawings of all ratings are available for construction purposes. This British Standard is the first of a series for metric keys and keyways and has been prepared under the authority of the Mechanical Engineering Industry Standards Committee. 0010. But also, there are lots of kinds of other applications. This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. Standard External Metric. They have an alternating right- and left-hand tooth style for removing more material at high speeds than straight-tooth keyseat cutters. ANSI Roller Chain. * These Width A values were set with the maximum keyseat (shaft) width as that figure which will receive a key with the greatest amount of looseness consistent with assuring the key's sticking in the keyseat (shaft). Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. 8mm 2. Aspen Fasteners offers the following sizes for immediate delivery from stock: Diameters ranging from M5 to M14 and up to 90mm long and. Keyway Width. ANSI Woodruff Keys. ANSI Hardware Deign and Engineering Data. txt) or read online for free. 4. Finished bore with standard keyway on other side protects shafts from damage; Customize bore size in-house to save time and cost; Superior holding power over set-screw type couplingsVariations of machine keys include parallel keys, tapered keys, Woodruff keys, hi-pro keys, and non-rok keys. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be. The dimension from the top of the keyway to the opposite bore side, “T-dim”, is calculated from (refer to ANSI/AGMA 9002-B04) the following: T = bore + (h kw - Ch)Per BS 4235-1:1972: Specification for metric keys and keyways – Parallel and taper keys. in Machine Elements & Structural Engineering. 1 for Js9 Dimensions) Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – InchesThe calculations are based on the British standard Metric ISO Limits and Fits. Keys and keyways. Standard pin taper used in clamp devices, tapered pin, etc. Email. Rectangular-faced keys are used for larger shaft diameters and square keys are used for shafts smaller than 6. Standard Metric Keys Keyways for Metric Engineers Edge. Foreword. Get In Touch. 6 - M 18. Keyway Width. 4 m= ––– (2-5) P d 2. Insert JS9 Tolerance. net. Approximate equivalents of metric and inch units 32. Shaft keyway dimensions and tolerances were given in ISO R773:1969. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. When installed, these keys fill oval keyways completely, reducing stress on the key and shaft. 14–15 Pull Type Production Keyway Broaches A full line of Industry Standard 500 and 600 Series and 5M and 6M Series Keyway Broaches are available. Woodruff Key Dimensions Fastener Mart, LLC Woodruff Keys dimensions and specificationsThe sizes are already designed to be able to properly carry the load with medium strength fastener (Grade 5 or equivalent) SAE J744 specifies the flanges by a letter and a bolt count. 57 inch; Coupling Design: One Piece Clamp; Design Units: MetricPFEIFER INDUSTRIES, LLC. Displaced 90° From Keyway Center. 4. The work of preparing International Standards. The keyseat is cut into the shaft and the key goes into the keyseat, between both parts forming a secure bond. These are standard metric-sized reamers. 500 ± 0. Keyways cut in certain area’s on the shaft. 0005mm). Cylindrical and 1/10 conical shaft ends — Addendum 1: Checking of the depth of keyways in conical shaft ends. pdfKeyway broach 1/16 to 1-1/2 inch, 2. 6 Module Sizes And Standards Module m represents the size of involute gear tooth. This is the most popular series of metric washers that is coupled with KM series metric locknuts. Therefore most motor series are offered with both standard frame sizes. It is also possible to become a. bxh Radius r. Bore and Keyway Tolerance Table. We are fully equipped to supply special Pull Type Keyway Broaches to your. Shaft Diameter vs Key Sizes Design Recommendations. As double U- joints, they connect and transfer torque between two shafts that are either parallel to each other or are misaligned at an angle. 3mm 2. This primer provides answers to frequently asked questions related to metric bores and keyways used in couplings. 2-1978 standards. pdf Key sizeKeyway metric key iso dimensions standard keyways r773 keys pdf bores shaft hub depth diameter standards engineering table edge width. ISO Hardware Specifications Table. American Metric ® Corporation Ametric ® 623 GROUP: 064 Metric Shaft Keys DIN 6885 A 20x12x170 22x9x170 22x14x170 25x9x170 25x14x170 28x10x170 28x16x170 32x11x170 32x18x170 36x12x170 36x20x170 40x14x170 40x22x170 45x16x170 45x25x170 8x7x180 12x8x180 14x9x180 16x7x180 16x10x180 18x7x180 18x11x180 20x8x180 20x12x180. 0 2. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys Rectangular Keyways Metric; WXHKey W x T2 Keyway ISO Standard — mm Snart Dlameter WI dth Groove dimensions keys DIN 6E-ga Shut 1 (With • 1972. Interference Fit Bore Tol. The following is summarized from the American National Standard Keys and Keyways for Milling Cutters and Arbors ANSI/ASME B94. Enter your desired preferred tolerance grade and the nomial size. The taper ratio of standard pin taper is 1:50 in metric and 1:48 in British. In stock and ready to ship. Woodruff Metric key and Keyway Dimensions - Roy Mech. 5. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be. 025: 2: 0 -0. 3 Terms and definitions. P9 Tolerance Keyway Broaches Metric Hassay Savage. 1 Size Shaft Dia. We can provide keyed shafts in any length up to 20 foot. Durable. 002. All Types (Page 1 of 2) Metric Key & Keyway Dimensions Per ISO/R773 Js9 Width Tolerance H Key & Keyway Dimensions Millimeters Shaft Diameter D Over. Special keyway configurations. 1 METRE UNPLATED - 14MM X 9MM. Nominal. A gear or other component with a woodruff keyway is then. Precision Double U-Joints. Keystock is available in both inch and metric sizes. KEYSTEEL - METRIC RECTANGLE 3. 000 +. Key strength and steel analysis entering into the makeup of stock for keys is not within the. Keyway Width. 4235 : Part 1 : 1972) Inch Square Parallel Keys & Keyways (B. The key length should be less than about 1. Chain. 000 Standard Setscrew Locations If one setscrew is furnished the location. Style A - Flat sprocket with no hub extension either side . Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance «. in shape, and not square as in the English system. Since these U-joints have zero backlash (no play), there’s no motion lost when your shafts change direction, so machines move smoothly with more accurate, repeatable motion. The sunk keys are provided half in the keyway of the shaft and half in the keyway of the hub or boss of the pulley. KEYWAY AND KEY SLOT DIMENSIONS METRIC. Keyway Broaches. Contact Us. Keyway Depth (Normally 1/2 of width). The breadth and depth of our products help solve the industry’s toughest machining challenges. The height of metric keys decreases by 1 mm for every 100 mm of length. The bore diameters listed in the "Keyway Additional Modification Applicable Bore List" in the table below are available for the service. 5000. DIN 472 circlips agujeros. Dimensions of parallel keys and taper keys. Shaft Arbor and Keyseat Dimensional Data American National Standard Keys and Keyways; Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. Use individual keyway broaches in a variety of arbor hole sizes. scope: This Standard covers requirements for square and rectangular parallel keys and keyways intended for both alignment of shafts and hubs, and transmitting torque between shafts and hubs. Keyway size charts can come in both imperial and metric measurements. X. They are also often used on tapered shafts. Over To (Incl. 5 +. 4375 1. Fast and simple to use mating component to a locknut. Lockwashers engage a keyway in a shaft or adapter sleeve slot, then locks the accompanying locknut in position by bending one of the washer tabs into the nut’s outside diameter slots. Metric 18-8 Stainless Steel Cup-Point Set Screws. Standard Pin Taper The standard pin taper is a self holding type taper. 2: Tolerances: KM/KML Metric thread, 5H: ISO 965-3 Axial run-out locating face/thread: 0,02 to 0,06 mm max. February 29, 2012. Keyway and Key Size Dimensions W Standard Key and Keyway Sizing h T1 T r H T2 English Dimensions: Metric Dimensions: Keyway: W x T1 Key: W x T Keyway: W x h Key: W x T Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway and Key Size Dimension Reference English Standard Keyway and Key Sizes Shaft. All dimensions given in inches. 824. Tolerances h11 h9 h7 and h6 as shown in Table 6 1 The above shaft tolerances are now covered in the new ANSI B32 100 2005 standardOur inch & metric Dumont keyway broaches are made of high speed steel. 2) Dimension h of the taper key names the largest height of the key, and dimension t z. Rectangular sunk key. 0 Engineering Design Document Nr 1 Created by : L van Wyk Rev0 2014/03/15 KEYWAY DIMENSIONS Metric Keyways DIAMETER KEY SHAFT HUB OVER INCL W H WIDTH DEPTH TOL. Woodruff key cutter size chartStandard woodruff keys Shaft standard key sizes rectangular gates keys diameters most non std readily availableKeyway key. 0284, email us, or fill out and submit our online request for quote form. 625 / . Specification. Taper metric dimensions keyway key bs 1972 keyways keysKeyway sizing chart Standard and metric keyway broachesMetric woodruff keys are supplied to din 6888 / iso 3912 in c45k key. H is the key height. Specifying Metric Keyways Dimensioning and specifying Metric keys and keyways varies significantly from the English system. 14. They conform to ANSI B17. Din 6885 H7 H9 Tolerances pdfsdocuments2 com. TOLERANCES ISO metaux detail com. Address. ) Imperial Sizes (inch. The essential data for this standard have been extracted from ISO Recommendations R 7731) and R 7742). We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. 2 Normative references . Table of Metric Shaft Tolerances per. Tapered Shaft End and Mating Hole with Slotted Nuts Design Data Dimensions Per. Metric Roller Chain. 8mm 3. Rather than enjoying a good book with a cup of coffee in the afternoon, insteadStandard Bore and Keyway Tolerances (Inch and mm) Keyway Bore (inches) Reference Height (d) 1. Keyway Width. 2 continued. keyway tolerances Mechanical engineering other topics. Metric Calculator Bore Size. Account. Use individual keyway broaches in a variety of arbor hole sizes. Partially Keyed Rotary Shafts. 800-982-3141. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support. Referencing Figure 1, the Metric key size is W x T. 8. NSI Shaft and Hub Keyseat Dimensions for Woodruff Keys per. We can provide keyed shafts in any length up to 20 foot. 0 $0. When a keyway is damaged, cut a new, wider one. d Tolerance Class Shaft t1 Hub t2. C, Cotter Pin Hole has centerline. Box 12086 Omaha, NE 68112-2086 encompassing standard. 38 1958. Unless otherwise specified, the shaft keyway is assumed to be standard. Get In Touch. 053 0. 16~0. 025: h9: 0. These metric set screws have good chemical resistance. Keyways Index BS 46 Square Keys and keyway Dimensions Ref. Generally, there are two classes of stock available for sunk keys, mainly parallel keys. The key and key seat cross section are ISO standardized. The profile of a straight sided spline is defined by. These simple pieces of metal connect shafts to rotating components to transmit torque while ensuring that the components cannot move relative to each other. Round keyed shafting: 1/2 dia. Did. 375 / . 4mm 8mm 2mm 9mm 12mm 11mm 4mm 4mm 14mm 15mm DIN 7154, H7 Metric Bore and DIN 6885, Js9 Square Keyway Tolerances Page 1 of 4 British ISO Metric Screw Threads Designations. Keyway (mm) Key (mm)* From To Width (W) Depth (h) Width (W) Depth (T) 6 8 2 1 2 2 9 10 3 1 3 3 11. keyways available upon request. As bushing bores approach the maximum recommended diameters, keyway depths are reduced in order to extend maximum bores as much as. Standard Metric Bores And Keyways DATA SHEET DS103 REV. This produces a high strength-to-weight ratio advantageous to fractional. Standards such as BS 46, ANSI B17. e Dimension “d” provides an effective method of specifying and determining the nominal keyway depth. One-Piece Clamping Collars; Two-Piece Clamping Collars. Standard External Metric Thread and Fastener Sizes M 0. Bore Keyway Fillet Key (D) Tol. 14–15 Pull Type Production Keyway Broaches A full line of Industry Standard 500 and 600 Series and 5M and 6M Series Keyway Broaches are available. Product data for lock nuts requiring a keyway. 1N, 2N, 3N and 4N are designed to be a non-driven support end. Metric bores are defined in ISO standards while English bores are defined in AGMA and ANSI standards. Cartener Pulley Keyway Key - Square Key Stock 60pc - Keyway Stock, Keyway Tension, Keyway Blank - Keyway Plastic Box - Flywheel Keys - Pump Shaft Key - 1/4 Key Stock - 3/16 key stock. Introduction. Note: Broaches have a. Contact our sales office and consult our shipping policy for further details. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys Key Dimensions Standard keylengths (mm). Created Date:Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. 3mm 2. 50+ bought in. 1-1967 or JIS B 1301-1996 specify sizes and tolerances of the keys and keyways. 14mm X 6mm Rectangle Plated Key Steel x 12'' Long. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. British Standard Chain was developed before American-styled chain, but was limited in its development by what materials were readily available as roller chains evolved. European norm specifications are. Gear G is positively located on shaft S by Woodruff key N . net. 19-1997. Bushings for smaller arbor holes are collared for easier handling. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. †. Ansi Standard Keyway Sizes Pdf is available in our digital library an online access to it is set as public so you can get it. 125 0. $. Browse L Type Hubs without Keyway - Metric Bores in the The Timken Company catalog including Part Number,Description ,Bore Size,Coupling Size,Keyway Size (W x D),Length thru Bore,Hub Length,Outer Diameter,CAD. Keyway metric key iso dimensions standard keyways keys. BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and. Our Pull-Type Keyway Broaches are ideal for applications in high volume production pull-type machines. pdf. BSI Shop. Choose from our selection of metric keys in a wide. Woodruff keys work well near shaft shoulders and on tapered shafts. BSI Shop. G&G Manufacturing Company 4432 McKinley Street P. Japanese Industrial Standard (JIS) Hex Fasteners. The IEC 72 defines motor frame size standards for regions that use SI units. Metric DIN 6885 Parallel Key High Type “A” (aka feather keys) is a component used to connect machine assemblies to a shaft in. pdf), Text File (. 0mm Metric - Standard Sizes. While a designer is free to specify any keyway they wish, straying from the standard option is likely to increase the cost, time, and complexity of the part. For example: a keyway. It is important there-fore that Standards users ensure that they are in possession of the latest edition, and any amendments thereto. pdf. 5020 2. ANSI woodruff size charts express measurements in inches and nominal key sizes with higher numbers corresponding to bigger keys. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for. Shaft and Hub Keyway and Key Sizes dpk3n3gg92jwt. 16 Square Broaches Standard Square Broaches in the most popular American Standard. scope: This standard presents metric dimensions, tolerances, sizes and fits for straight bores, tapered bores, keys and keyways for unmounted industrial flexible couplings. 1/2. FOREWORD. Sign-In Create Account. For a worn keyway shaft use our well stocked Interference fit range. We use keyed shafts in the gear and shaft assemblies in general. They are semi-circular, and fit into a Keyway shaped as a circular-segment in the shaft and a rectangular slot in the mating part. All sizes are in inch units. SAE has standardized shaft configurations to use keyways and splines to attach components. Ref Standard . Standard tolerancing on stainless keys and keyways Standard tolerancing on stainless keys and keyways to broach a keyway in bore with in 0005 tolerance with no. 3mm 3. 2-1967. taper standards are based on the SMALL end of the taper so that propellers with different hub lengths will fit the same shaft diameter and have the nut face in the same position on the. 004, -. 2 metric standards . Jacobs Taper Jacobs taper is mostly used in drill press chuck, arbor, etc. Note the following points concerning the customer’s solid shaft:Machine keys play a vital role in many mechanical systems. Metric keyways are dimensioned by width and depth as measured from the radius of the. Rather than enjoying a good book with a cup of tea in the afternoon, instead they juggled with some malicious virus inside their computer. Sizes of shafting from 3 to 5 inches in diameter may be either cold-rolled or turned, more frequently the latter, and all larger sizes of shafting must be turned because cold-rolled shafting is not available in diameters larger than 5 inches. 25 - M 1. It is also possible to become a BSI member and obtain copies of the Standards at much reduced prices. - Series EL couplings supplied with clearance fit bores with set screws. One of the following methods should be used to specify keyways: Metric: WxHKey WxT2Keyway ISO Standard -mm Shaft Groove Diameter WidthH T1 T2* So WInstall these keys in a drilled and reamed hole to locate fixtures and vises on your machine table. Keyway Formulae Inch Square (Preferred) Parallel Keys and Keyways (ANSI B17. Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance. ASTM Standard. These metric 316 stainless steel set screws have excellent chemical resistance and can be used in saltwater environments. Imperial sizes of key steel bar are bright drawn to plus tolerances conforming to BS46 “keys and keyways”. 3mm 3. Standard Metric Keys amp Keyways for Metric Bores with One. 3 Preferred length and weight of keys - Preferred length and weight of keys is given in Table 4. We welcome export enquiries for key steel. 8mm 2. DIN Standard. For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in. As you may know, people have search hundreds times for their chosen books like this Ansi Standard Keyway Sizes Pdf, but end up in malicious downloads. 1. 50 : BR-10 Details:Fuller Fasteners, Distributor of Metric and Imperial Fasteners, stainless steel, brass, nylon, hex nuts, bolts, nuts, screws, taps, dies, tools and kn95 masks. Find the depths to cut in keyway and keyseat. All keyed Shafting is guaranteed to fit on a bearing, and the ends can be. Failure to do so British ISO Metric Screw Threads Designations. Standard . 2: Tolerances: KM/KML Metric thread, 5H: ISO 965-3 Axial run-out locating face/thread: 0,02 to 0,06 mm max. 16~0. In addition, set screw holes and keyways may be added as needed. Couplings can be additionally modified with new JIS keyways based on JIS B 1301. Broach Style # I. A list of standard. Standard Plain and Gib Head Keys Specifications per. Detailed width tolerance. 1 for Js9 Dimensions) Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – InchesThe DA17 sets cover the keyway size range from 1/16″ to 3/4″, and the DA-18 sets cover the range from 7/8″to 1-1/2″. The keys and keyways followed the recommendations of ISO R773:1969 and shaft RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. This key stock is stepped to match repaired keyways in shafts or gears. Keyway Width. depth tol. Hub to Shaft. Standard L Type coupling hub materials are either sintered iron (L035-L190) or cast iron (L225-L276). Metric Keyways Index page; BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions; BS 46 Rectangular Taper & Gib Head KeyWay & Key Dimensions. Gear Products and Suppliers | Gear Knowledge Menu. 8mm 2. Tapered Shaft End and Mating Hole with Slotted Nuts Design Data Dimensions Per. ; Image credit: Carlisle Power Transmission. This International Standard specifies the dimensional characteristics of thin parallel keys and of the corresponding keyways in shaft and. BS 4235-2:1977, ISO 3912-1977: Specification for metric keys. Thin parallel keys and their corresponding keyways (Dimensions in millimetres) Thin taper keys with or without gib head and their corresponding keyways (Dimensions in millimetres) Straight cylindrical involute splines — Metric. [email protected] width P9 tight fit (standard design) JS9 or N9 loose fit (requires written agreement) see also. Judicious standard keyways 2019 . Y. and 25mm and Type AFS sizes up to 11/2 inch are in stock. Figure 2 Keyway Sizes. COMPONENTS PowerDrive LLC Bore Tolerance 0 to 2 2 to 3 3 to 4 Over 4 +. See dimensions W and h in Figure 1. 1. 2 Normative references. Shaft Collars. Choose from our selection of metric shafts, including over 5,200 products in a wide range of styles and sizes. 1-1967 or JIS B 1301-1996 specify sizes and tolerances of the keys and keyways. recommendations except for the bore sizes marked * which are shallower. Preferred Fits and Tolerances Charts ISO Amesweb. 5. The keys and keyways followed the recommendations of ISO R773:1969 and shaftRoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. E. The key prevents relative rotation between the two parts and may enable torque transmission. Fractional inch and metric are measurement systems used to express the size of items that have standard trade sizes. British Standard Chain was developed before American-styled chain, but was limited in its. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. 3 mm. Standard Sprocket, Model 25B. We stock pre keyed shafting in many diameters, including metric diameters, with standard keyways. SIZE ATK501P 4 x 4 ATK502P 5 x 5 ATK503P 6 x 6 ATK504P 8 x 8 ATK505P 10 x 10 ATK506P 12 x 12 ATK507P 16 x 16. The Material used for Push Type Keyway Broaches is HSS in grades M-2, M-35, M-42, ASP 2030, ASP 2052, ASP 2062. 4mm. ISO Tolerances for Shafts ISO 286 2 TRIBOLOGY ABC. 304/316. I can't find one for metric as all my book are for imperial. Relevant British Standards. 1. download and install the Ansi Standard Keyway Sizes Pdf, it is no question simple then, past currently we extend the belong to to buy and make bargains to download and install Ansi Standard Keyway Sizes Pdf correspondingly simple! keyway dimensions armstrong metalcrafts web keyway dimensions key dimensions the inch and metricAnsi Standard Keyway Sizes Pdf Thank you very much for reading Ansi Standard Keyway Sizes Pdf. 99 #22. Our Pull-Type Keyway Broaches are ideal for applications in high volume production pull-type machines. Metric Key & Keyway Dimensions Per ISO/R773 – P9 Width Tolerance . The tolerance zone for shaft keyway width b with normal fit is ISO N9 and with close fit ISO P9. All dimensions for S. In stock and ready to ship. Standard . Shaft Keyway Shear and Yield Strength Formulae and Calculator. A. Choose from our selection of metric keys in a wide range of styles and sizes. Fits and tolerance calculator for shaft and hole tolerance calculation according to ISO 286-1 and ANSI B4. 062 0. Foreword. imperial (pre-war) keyways diameter key shaft hub over incl w h width tol. In addition to the standard sprockets, special sprockets may be available in the same styles . All internal calculations are done in metric millimeters to a precision of up to half a micron (0. 8 0. Dimensions shown are in Inches, if you wish to convert to mm, please use our universal converter. British standard metric keyways for square and rectangular parallel keys 11 5/16 3/8 7/16 1/2 3/4 3/4 7/8 nominal diameter, d 6 1/2 7 1/2 9 square keys preferred for shaft diameters above this line: Shaft keys are made of varied types of materials and also come in different shapes and sizes. Max. All the standards recognize this and specify tolerances for. Metric Keyways Index page; BS 46 Square Keys and keyway Dimensions; BS 46 Square Keys and keyway Dimensions Ref.