Boot retaining grooves are standard. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. The Feather Keys or Shaft Keys are similar to the parallel key except that they are radiused on both ends and machined to tight length tolerances. 1 Square Keyway Tolerances Minimum 2. Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. 3 30 38 10X8 10 3. NOMINAL SHAFT DIAMETER. See dimensions W and h in Figure 1. TAPER KEY DIMENSIONS - METRIC - BS 4235 -1: 1972Keyway Size Chart - Farrell Bearingsways. Allen wrenches are frequently relatively small and are available in various standard SAE International sizes, including 5/32-inch, 3/32-inch, 7/16-inch, 3/16-inch, 1/18-inch, and 14-inch. Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. 3. 0625 0. Locate keyways per Figure 6 and Table 8. Screw Size Specifications Tap Drill Clearance Drill Aluminum, Brass & Plastics Steel, Stainless Steel & Iron Close Fit Standard Fit 75% Thread 50% Thread No. Browse SC Type Spacer Coupling Hubs with Keyway, Standard Length - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Hub #,Keyway Size (W x D),Outside Diameter,Dimension L,Dimension SLImperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors: Sheet Metal Gauges & Weights:. Our pdfs can be found at the top of the page. All dimensions given in inches. Get In Touch. 88 mm: Overall Coupling Length: 3. 22 3. KeyWay /Key Dimensions. 07 mm: Keyway Size: 1/4 x 1/8 in: Length thru Bore (Dimensions LTB1/LTB2) 1. Keyway Depth Dimensions In Inches Keyways are British Standard Imperial B. Click the edge of a hole, then click in the graphics area to place the hole callout. 360 Minimum 2. There are 16 tablespoons in a cup. As noted above, when selecting a keyway tolerance, there are two common selections in the. 248 0. Wire Gauges: Wood Screw Dimensions: Imperial. Browse L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Coupling Size,Keyway Size (W x D),Length thru Bore,Outside Diameter,CADBrowse Part Number 68514413872, UFH Type with Keyway, Short Version - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Description,Description ,Bore Size ,Hub Style,Type,Hub Size,Material,Set Screw Thr. 38 1958. Download >> Download Bs 4235 part 1 pdf Read Online >> Read Online Bs 4235 part 1 pdf n9 keyway tolerance imperial keyway dimensions iso r773 keyway dimensions calculator metric keyway dimensions standard keyway sizes in mm bs 46 part 3 bs 46 part 1 22 Feb 1972 Purchase your copy of BS 4235-1:1972 as a PDF. Metric Bore / Keyway per DIN specifications. Top. Browse Part Number 69790499329, SU-6 Type Complete Couplings - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Size,Hub Style,Type,Material,KeywayBrowse Part Number 68514411505, L Type Hubs without Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Materi. As this Imperial Woodruff Key Keyway Dimensions Pdf, it ends happening bodily one of the favored ebook Imperial Woodruff Key Keyway Dimensions Pdf collections that we have. 19-1997. Key Size. 02 mm: Overall Coupling Length: 3. 07 mm: Overall. Buy it Now . ) Imperial Sizes (inch. Min. Browse Part Number 68514449706, AL Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Coupling Size,Hub Style,Coupling Type,Material. Typical steels for locknuts are: AISI, C1015, C1018, C1020, C1025, C1035, C1117, C1118, C1212, C1213, and C1215. We also have an Imperial Keyway Calculator. au. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. Mm Shaft Diameter Groove dimensions for woodruff keys DIN 6888. 620 in 15. Table 1 details the appropriate key slot and key sizes for various metric bores. Unless stated otherwise, hub torque and horsepower ratings assume a SOX (NBR) rubber spider is being used. The lock washers engage a keyway in the shaft or adapter sleeve thread. Use them in light duty applications to connect gears and other components to shafts. 000 / +0. Shaft Keyway Shear and Yield Strength Formulae and Calculator. Keyway Size (W x D) 1/8 x 1/16 in: Length thru Bore: 0. 2 Woodruff Key Size Table Chart ANSI B17. Hardware ANSI Menu. 98 mm: Spider. Keyway Bore (inches) Reference Height (d) 1. Coupling Size Keyway Size (W x D) Length thru Bore Outside Diameter; 68514450357: Description N/A RRS095 HUB 1/2 N/KW : Bore Size N/A 1/2 in: Hub Style N/A 1 : Coupling Size N/A RRS095 : Keyway Size (W x D) N/A No Keyway : Length thru Bore N/A 1 in 25. From £578. 00 mm: Overall Coupling Length: 4. WDS 6165. All sizes are in inch units. 186 products. 88 mm: Outside Diameter: 4. Center Drill Dimensions. Browse Part Number 68514435686, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling Type,Coupling Size,Material,. 15 12 17 5 5 0 / -0. 2 Keyways - Dimensions for keyways are given in Table 3. The inclusion of dimensional data in this Standard is not intended to imply that all sizes described are production stock items. 92 mm: Outside Diameter: 1. Wood Screw Dimensions: Center Drills. 590 in 14. 201 202 1/16 x 1/4 0. 540 in 89. S. 9 mm, & 1. 1 Square Keyway Tolerances. As a general rule, the key is a tighter fit to the shaft so that the key remains on the shaft during assembly and removal. Machine keyway to recommended size and tolerance listed per Table 5. 6 in 66. 25. Max. The U. But ensure the weakened shaft can support the load. Min. 98 mmBrowse QUICK FLEX Standard Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore Size ,Coupling Size,Keyway Size (W x D),Length thru Bore,CADBrowse D Type with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Material,Bore A & B,Keyway A & B (W x D),Set Screw Size,Outside Diameter,Overall Length,Bore Depth (Dimension C),Static BreakiBore Size : 1 in: Coupling Size: 42 : Set Screw Style Coupling Size (Dimension T) 5/16-18 : Set Screw Style Coupling Location Size (Dimension SL) 0. 109 - - 0. 750 in 69. Created Date:the expense of below as capably as review Imperial Woodruff Key Keyway Dimensions Pdf what you similar to to read! woodruff keys mcmaster carr web key size 8 mm 11 mm 15 each key size 2 5 mm 3 7 mm 25 each key size 5 mm 10 mm 15 each key size 2 mm 5 mm 25 each key size 6 mm 9 mm 15. ΔTo (Incl) 3 1/2 Square and 7 Rectangular key widths. The Econoline fixed center drive uses a driver pulley that is manually adjustable. Skip to main content. 2388 State Route 726 Eaton, Ohio 45320 (937) 456-2232 Fax (937) 456-2282 [email protected] in 10. Bore Size Keyway Size Nominal Torque Max Speed (Unbalanced) Length thru Bore Flange Diameter (Dimension FD) Dimension HD; 69790413296: Description N/A F 2E HUB RGD 2-11/16 5/8X5/16 : Bore Size N/A 2 11/16 in: Keyway Size N/A 5/8 x 5/16 in: Nominal Torque N/A 31500 in·lb 3560 N·m: Max Speed (Unbalanced) N/A 6000 rpm: Length thru Bore. 560 in 65. Regardless of which unit of length you're using, you'll need to measure the following: width, height, and length. Allen™ keys are identified as being either metric-sized keys in millimeter sizes or SAE (Imperial) sized keys in fractions of an inch or decimal equivalents. 202 to 1012 Height Width Diameter Actual Length Full Radius Flat Bottom Distance Key Below Center No. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. , New Berlin, WI 53151-7953 USA Telephone: 262-796-4060 August 2003 Fax: 262-796-4064 e-mail: [email protected] in clearance fit bores with set screws. Hex keys are most often encountered as a single piece of steel formed into a small L-shape, although. 97 mm: Outside Diameter: 2. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. Parallel Keys and Key Grooves Note(1) The applicable shaft diameter is calculated from the torque corresponding to the strength of the key, for presentation as referential data for general-purpose use. 000 -0. The deviations are less than the basic size. +40 0. 062 0. Two hubs with internal teeth engage an elastomeric flexible center, or sleeve, with external teeth. ANSI Key No. 2 7-1,2 1. Standard External Metric Thread and Fastener Sizes M 0. Drill Size Inches Approx. RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. In commercial machinery, it is most common to use a portion of an involute curve as the tooth profile. Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors:. “Hydraulic Pump and Motor Mounting and Drive Dimensions”. Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. Keys and keyways. There many standards that cover the topics of metric bore tolerances, fits and keyway sizes. RoyMech Resources Keyways BS 46 :1958 Parallel Keys and Keyway Dimensions These Pages include various standards. For example, an ANSI 202 measures 1/16 x 1/4, while ANSI 1012 measures 5/16 x 1 1/2. Ref. Title: ANSI_B17_1-Keyway_Dimensions. Keys and keyways. 4mm 1mm 1. K series49 4 M i4 Ms ai l gn lm m e Mn t4 FMm u Mdm Um 49 4 M i4 Ms ai l gn lm m e Mn t4 FMm u Mdm Um 450 630-852-0500 Safety Warning ED-2 When using Lovejoy products, you must follow these instructions and take the following precautions. The dimensions in brackets can only be made from the standard rolled steel dimensions by repeated drawing. 790 in 20. Socket Set Screws Mechanical Properties ASME B18. 96 mm: Outside Diameter: 3. Threads are American National form, Class 3. 3 17 22 6X6 6 2. ) Metric Sizes (mm) PART NO. BOTTOM OF SHAFT TO BOTTOM OF KEYWAY. Keyway dimensions metric key tolerances squareWoodruff metric keyway iso 6888 cutter supplied packed 5pcs 10pcs Keyway sizing engineeringMetric key keyway dimensions. - Predrilled for wall mounting. 1890 0. 1-1967, GB 1095-1979 standards. Browse Metric Set Screw Couplings w/Keyway MRC4H-Series in the Climax Metal Products Company catalog including Item #,Bore,OD,Length,Screw Size,Keyway Size,Material,Weight,CAD 800. 3 38 44 12X8 12 3. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. 3mm 3. Just enter the size of the key and shaft, then click "Calculate". Imperial Tap Chart: Keyway Dimensions: Melting Points: Metric Tap Chart: O-Ring Sizes: Pipe Threads: Screw Extractors:. Keyway (Shaft. TAPER KEYWAY DIMENSIONS - METRIC - BS 4235-1: 1972. Imperial Supplies LLC does not provide services and products outside the United States For more product information by email, click here. 790 in 20. 00 mm: Nominal Torque N/A 6. Machine keys are installed in a keyed joint and are typically designed to fail before other components often saving more. The last two digits give the nominal diameter B in eighths of an inch and the digits preceding the last two give the nominal width W in thirty. 45. 120 in 79. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. Hole and Keyway. Imperial, Inch Hardware, Metric, ISO Heat Transfer Hydraulics Pneumatics HVAC Systems CalcsBrowse DD Type without Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Description ,Bore A & B,Material,Set Screw Size,Keyway A & B (W x D),Outside Diameter,Overall Length,Bore Depth,Static Breaking Torque,F Type Flex Hubs with Keyway - Inch (Imperial) Bores. Dimensions shown are in Inches, if you wish to convert to mm, please use our universal converter. Lovejoy’s Jaw Type couplings are available in 24 sizes from a minimum torque rating of 3. Min. 487 Minimum 2. British ISO Metric Screw Threads Designations. Hex Head Fasteners. ) 1 1/4. Shaft Diameter vs Key Sizes Design Recommendations. 846. 57 in 39. 2388 State Route 726 Eaton, Ohio 45320 (937) 456-2232 Fax (937) 456-2282 [email protected] Size : 5/8 in: Coupling Size: 19 : Set Screw Style Coupling Size (Dimension T) 10-24 : Set Screw Style Coupling Location Size (Dimension SL) 0. 05 3. Keyway and Key Size Dimensions * Common dimension specification English Standard Keyway and. Also, T 1 and T 2. Keys and keyways . Nearly every shaft diameter has a corresponding standard keyway width and depth – this calculator helps you find it. 8mm 2. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. Bore (Dimensions. ASME B1. Canada also uses imperial measurements in some circumstances, though officially, the correct unit of measurement in Canada is the metric system, which includes meters. 8mm 1. 8mm 3. ANSI Key No. 250 0. Max Min Max Min 6/0 0. The wide selection of models feature compact size and reliability, which make them ideal for both adjustable and fixed center drives in all types of applications using. RoyMech Resources Keyways Taper Metric Key and Keyway Dimensions These Pages include various standards. Trunnion bearing housings for grinding mills – FSDR. 6 - M 18. The charts below gives the dimensions for Gib Head Keys and Keyways to DIN 6887and BS46. The tolerance zone for shaft keyway width b with normal fit is ISO N9 and with close fit ISO P9. Key Size Hub Keyway Width Depth Over To (Incl. Keyway Dimensions. Max. 99 mm: Keyway Size (W x D) 1/4 x 1/8 in: Length thru Bore (Dimensions LTB1/LTB2) 1. Keyway Size (W x D) 5/16 x 5/32 in: Length thru Bore: 1. Keyway Size (W x D) No Keyway : Length thru Bore: 1. Max. WOODRUFF KEYWAY DIMENSIONS - METRIC - BS4235:2 -1997. 035″, 0. Keyway width P9 tight fit (standard design) JS9 or N9 loose fit (requires written agreement) see also. AGMA ASA Keyway and Bore Design Data ASA Keyway and Bores Design Data including dimension; Woodruff Keys ANSI B17. 130 in 104. To use this calculator, input your Torque, Shaft Diameter and Key Length values. ). txt) or read online for free. They should be locked by a lock washer to prevent unintentional loosening. 40 mm Horizontal Shaft Arrangements Vertical Shaft Arrangements B3 FOOT MOUNTED. We have in stock ready-to-use keys in inch and metric sizes; Key stock is very long so. Pulleys Size Chart - Pulleys Size Chart. Our customers in the USA are managed by JW Winco. Keyway broaching guides hevicut inch to suit H1 broach style. Related: 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. com. 414 Maximum 2. 99 mm: Keyway Size (W x D) 1/4 x 1/8 in: Length thru Bore (Dimensions LTB1/LTB2) 1. 477 Maximum 2. 01 2. Engineering Information Taper Metric Key and Keyway DimensionsWOODRUFF KEY DIMENSIONS ANSI Key No. Nominal torsional stress τ = T/ ( π/16搞 k3 ), d k =d-t 1. AWG Copper Wire Properties. Machine keyway to recommended size and tolerance listed per Table 4 on Page 3. scope: Materials, nominal sizes, tolerances; for parallel keys, taper keys, gib-head keys rectangular and square, and Woodruff keys. Min. 424 Minimum 2. 790 in 20. This online broadcast Imperial Woodruff Key Keyway Dimensions Pdf can be one of the options to accompany you taking into consideration having extra time. 90. Keyseat Alignment Tolerances: A tolerance of 0. 846. Parallel keys are rectangular shapes with ends that are square (DIN-6885-B), round (DIN-6885-A), or both (DIN-6885-AB). Metric Keyways Dimensions ISO/R773. 17 4. The keyway dimensions are also different from the English system. 028″, 0. Select your units as required. Straight Sided Spline Dimensions. 350 Maximum 2. RECTANGULAR KEY DIMENSIONS - IMPERIAL - BS46:1 1958 SQUARE KEYWAY DIMENSIONS - IMPERIAL - BS46:1 1958 SQUARE KEY DIMENSIONS - IMPERIAL -. 5020 2. keyway dimensions metric keyways diameter key shaft hub over incl w h width depth tol. 2. Keyway Size (W x D) 3/16 x 3/32 in: Length thru Bore: 0. 3mm 2. J Type Flanges with Keyway - Inch (Imperial) Bores S-Flex Endurance® Couplings Close Window The J Type flanges in sizes 3J and 4J are made from die cast of high strength zinc alloy (tensile strength of 41,000 psi) and are furnished bore-to-size. 3D Printing & CAD. The U Type consists of a triple-wound flexible steel spring brazed to a steel hub at each end. 790 in 20. 05 mm:. 85 mm: Length thru Bore: 1. Imperial, Inch Hardware, Metric, ISO Heat Transfer Hydraulics Pneumatics HVAC Systems CalcsB. 070 in 77. 5020 2. The above chart provides typical Baldor•Reliance motor dimensions. 68 in 42. 590 in 14. AUTOMATION & IIOT. Dimensions and tolerances of metric keyways for parallel keys (source:BS 4235-1: 1972)Keyway Cutter Hole Keyway Dimensional Data - ANSI/ASME B94. Read more on how keys and keyways work and what types are available – Keys and Keyways. 38 1958. 150. We use . The dimensions of keys and keyways for marine tai l - shafts shall be as shown in Table 8 and Fig. Misalignment and torsional shock loads are absorbed by shear deflection in the center sleeve element. 200 in 55. 146: 0. 97 mm: Outside Diameter: 2. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft. shear stress key τ = F s / (L搓) MPa. We would like to show you a description here but the site won’t allow us. NEMA states only a minimum value for AA dimension. 180 in 29. 25 mm: 68514455680: Description N/A RRSC190 HUB 38MM 10X3. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. Browse Part Number 68514426088, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling. The inch and metric dimensions here correspond to common values. 8mm 2. 270 in 210. TAPER KEY DIMENSIONS - METRIC - BS 4235 -1: 1972 Keyway Size Chart - Farrell Bearings ways. Wood Screw Dimensions: 2023 Holiday Promotion: Free shipping. 424 Minimum 2. KM 8Lock nut with metric thread, for locking by lock washer. Metric External Table Chart Thread Designations Sizes M 1. 3-2003. For the calculation, the elastic modulus E and Poisson's ratio ν of the bar should be specified. Fully-threaded, headless screw with a hex drive at one end and a protruding tip with a flat surface at the opposing end. 1/3 Through 5 HP, “A” and “B” Belts. Table 1 below presents a summary of the typical. This is why you remain in the best website to look the unbelievable ebook to have. For more exact dimensional data, please check the specific drawing for each catalog number. Washer Sizes: Wire Gauges: Wood Screw Dimensions: Key Dimensions. Couplings • Standard Metric Keys & Keyways for Metric Bores with One Key (Page 2 of 2) All Types Metric Key & Keyway Dimensions Per ISO/R773 – P9 Width Tolerance (See Pg. - Lockable cabinet with. Good for use with square- and hex-profile shafts, these aluminum supports also work with round shafts of any diameter up to 1". com ©2004-2021 Kramer Power Equipment Co. 98 mmThe U Type is the basis for all Uniflex couplings. 068 3/8 #50 1/2. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys 1, the Metric key size is W x T. DIN 6885-1 :- Key, Hub Keyway, Shaft Keyway Details and Dimensions. The sizes below 5/16 inch are intended to fit a hole 1/64 inch larger than the pin size; for pins larger than that the pin and hole size are the same. 76 £482. WDS 6163. Minimum keyseat width is that figure. 390 in 9. 25 - M 1. As noted above, when selecting a keyway tolerance, there are two common selections in the metric. ΔTo (Incl) 3 1/2 Square and 7 Rectangular key widths. Metric Keyways Index page; BS 46 Keys and keyway Dimensions-Parallel Rectangular; BS 46 Keys and keyway Dimensions-Parallel Rectangular Ref Standard . 770 in 44. 85 mm: Outside Diameter N/A 5. You can also drop us a message at [email protected] +0. Keys and Keyways. EICAC Imperial Keyway Calculator Page. AWG Copper Wire Properties. 05 mm: Outside Diameter: 2. 010 inch, max is provided for offset (due to parallel displacement of keyseat centerline from centerline of shaft or bore) of keyseats in shaft. This is aWe also have an Imperial Keyway Calculator. 846. dimensions for keys and their grooves. ) Nominal Nominal 10 12 4X4 4 1. 380 in 35. xls Created Date: 1/23/2014 8:35:20 AM. ANSI Woodruff Keys. 770 in 44. give a positive response me, the e-book will enormously way of being you other issue to read. Engineered products . 6-1 and for shafts in Fig. The keyway dimensions are also different from the English system. 4 mm: Outside Diameter N/A 2. Min. K seriesBritish 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. bearing pressure p = F s / (h/2 微) MPa. 6 - M 18. 1875 0. Drill Size & Decimal Equivalents. Split pillow blocks – SAF and SAW series (inch dimensions) Split pillow blocks – SDAF series including the extended range (inch dimensions) Non-split pillow housings and take-up housings – SBD and THD series . Also calculated are the overall measurements for shaft and bore, as well as the chord height. BS 46 Part 1 : 1958 Keys and keyway Dimensions-Parallel Rectangular all dimensions in inches. BS 46 Keys and keyway Dimensions-Parallel Rectangular Ref Standard . Bushings rest inside the arbor hole of your workpiece and act as guides to ensure rigid and accurate keyway cutting. Keyway (Shaft. - Series EL couplings supplied with Keyway Bore (inches) Reference Height (d) 1. 12 4. 38 in 35. HD Type are available in round, hex, splined, or keyway bore. Just enter the size of the key and shaft, then click "Calculate". All dimensions are given in inches. xxxx 0. 980 in 24. 970 in 50. DIN 6885 6x6x22. 3) Keyway fillet radius to be specified by customer. 96 mm: Outside Diameter: 3. 91 mm: Keyway Size (W x D) 1/4 x 1/8 in: Length thru Bore (Dimensions LTB1/LTB2) 1. 0635 0. British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. 25. Also, T 1 and T 2. 200 in 55. Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. 06 mmBrowse Part Number 68514411091, L Type Hubs with Keyway - Inch (Imperial) Bores in the The Timken Company catalog including Part Number,Item Name,Disclaimer,Description,Description ,Bore Size ,Hub Style,Coupling. 390 in 9. 2500 0. size jrc web accessories 46 passaic avenue fairfield, nj 07004 125 unless otherwise specified remove all burrs & sharp edges reference drawing dimension tolerance ` fractional 1/64 angular 0. 0000 /-. Metric Tap Chart. Shaft Diameter vs Key Sizes Design Recommendations. BS 4235-2:1977, ISO 3912-1977: Specification for metric keys and keyways - Woodruff keys and keyways. Find the depths to cut in keyway and keyseat. Also known as half moon keys. Figure 2 Keyway Sizes. Max. Quick links: Plain Bell Metric. 05. Hex keys are measured across-flats (AF), which is the distance between two opposite (parallel) sides of the hexagon. 3mm 2. 97 mm: Overall Coupling Length: 1.