Hardware identification& TorqueSpecificationsCommon Hardware TypesHex Head CapscrewCarriage Belt€(((((((((((((((((((0WasherLeckwasherO Hex NutStandard Hardware SizingWhen a washer or nut is identified as 1/2", this is theNominal size, meaning the inside diameter is 1/2 inch; if asecond number is present it represent the threads per inchWhen bolt or capscrew is identified as 1/2 - 16 x 2", thismeans the Nominal size, or body diameter is 1/2 inch; thesecond number represents the threads per inch (16 in thisexample, and the final number is the body length of thebolt or screw (in this example 2 inches long).The guides and ruler furnished below are designed tohelp you select the appropriate hardware and tools.m_- ¢om_m_m_m_.oNut, 1/2"InsideDiameterScrew, 1/2 x 2 Iod,J IDiameter I B°dy_____. |/_ength ___@Torque Specification ChartFOR STANDARD MACHINE HARDWARE (Tolerance _+20%)_raarddeware G 0 QSAE Grade2 SAEGrade 5 SAEGrade8Size Of in/Ibs in/IbsHardware ft/I bs ft/I bs Nm.8-328-3610-2410-321/4-201/4-285/16-185/16-243/8-163/8-247/16-147/16-201/2-131/2-209/16-129/16-185/8-115/8-183/4-103/4-167/8-97/8-141-81-121920273166761112202330355055657590100160180140155220240in/IbsNm. ft/Ibs Nm.2.1 30 3.42.3 31 3.53.1 43 4.93.5 49 5.57.6 8 10.98.6 10 13.615.0 17 23.116.3 19 25.827.2 30 40.831.3 35 47.640.8 50 68.047.6 55 74.868.0 75 102.074.8 90 122.488.4 110 149.6102.0 120 163.2122.4 150 204.0136 180 244.8217.6 260 353.6244.8 300 408.0190.4 400 544.0210.8 440 598.4299.2 580 788.8326.4 640 870.441 4.643 4.960 6.868 7.712 16.314 19.025 34.027 34.045 61.250 68.070 95.280 108.8110 149.6120 163.2150 204.0170 231.2220 299.2240 326.4386 525.0420 571.2600 816.0660 897.6900 1,244.01,000 1,360.0NOTES1. These torque values are to be used for all hardwareexcluding: Iocknuts, self-tapping screws, thread formingscrews, sheet metal screws and socket head setscrews.2. Recommended seating torque values for Iocknuts:a. for prevailing torque Iocknuts - use 65% of grade 5torques.b. for flange whizlock nuts and screws - use 135% ofgrade 5 torques.3. Unless otherwise noted on assembly drawings, all torquevalues must meet this specification.Wrench & Fastener Size Guide1/4" Bolt or NutWrench--7/16"5/16" Bolt or NutWrench--I/2"3/8" Bolt or NutWrench--9/16"7/16" Bolt or NutWrench (Bolt)--5/8"Wrench (Nut)--11/16"1/2" Bolt or NutWrench--3/4"PTS - 6