Socket Products Engineering Guide - Industrial and Bearing Supplies

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METRIC LOW HEAD CAP SCREWSThreads: ANSI B 1.13M, ISO 262(coarse series only)Property Class: 10.9Similar Specifications: DIN 7984,DIN 6912NOTES1. Material: ASTM A574M-alloy steel2. Hardness: Rc 33-393. Tensile Stress: 1040 MPa4. Yield Stress: 940 MPa5. Thread Class: 4g 6gJHGTLAPPROX 45°ADTHREADSIZEL TDIMENSIONSAPPLICATION DATArecommended*A D G T H L T Jseating torquenom.plainthreadsize pitch max. max. min. min. max. min. nom. N-m in-lbs.M4 0.7 7 4 1.06 1.48 2.8 20 3 4.5 40M5 0.8 8.5 5 1.39 1.85 3.5 22 4 8.5 75M6 1.0 10 6 1.65 2.09 4.0 24 5 14.5 130M8 1.25 13 8 2.24 2.48 5.0 28 6 35 310M10 1.5 16 10 2.86 3.36 6.5 32 8 70 620M12 1.75 18 12 3.46 4.26 8.0 36 10 120 1060M16 2.0 24 16 4.91 4.76 10.0 44 12 300 2650M20 2.5 30 20 6.10 6.07 12.5 52 14 575 5100All dimensions in millimeters.*Torque calculated to induce 620 MPa in the screw threads.Torque values are for plain screws. (See Note, page 1.)46
METRIC HEXAGON KEYSDimensions Mechanical Properties <strong>Socket</strong> ApplicationsThese UNBRAKO keys are made tohigher requirements than ISO or DINkeys, which may not properly torqueClass 12.9 cap screws. The strength<strong>and</strong> dimensional requirements arenecessary to properly install theproducts in this catalog.Material: ANSI B18.3.2.M alloy steelDimensions: ANSI B18.3.2.MSimilar Specifications: DIN 911, ISO 2936BCWMETRIC KEY APPLICATION CHARTsocket cap screwsflat head button headsize std. head low socket cap socket cap shoulder socket setW height head screws screws screws screws0.7 M1.60.9 M21.3 M2.51.5 M1.6/M2 M32.0 M2.5 M3 M3 M42.5 M3 M4 M4 M53.0 M4 M4 M5 M5 M6 M64.0 M5 M5 M6 M6 M8 M85.0 M6 M6 M8 M8 M10 M106.0 M8 M8 M10 M10 M12 M128.0 M10 M10 M12 M12 M16 M1610.0 M12 M12 M16 M16 M20 M2012.0 M14 M16 M20 M24 M2414.0 M16 M20 M2417.0 M20 M2419.0 M2422.0 M3027.0 M3632.0 M4236.0 M48DIMENSIONSMECHANICAL PROPERTIESkey size W B Cnominaltorsional shearstrength minimumtorsional yieldstrength minimummax. min. mominal short arm long arm N-m In-lbs. N-m In-lbs.0.711 0.698 5.5 31 *69 0.12 1.1 0.1 0.90.889 0.876 9 31 71 0.26 2.3 0.23 2.1.270 1.244 13.5 42 75 0.73 6.5 .63 5.61.500 1.470 14 45 78 1.19 10.5 1.02 9.2.000 1.970 16 50 83 2.9 26 2.4 212.500 2.470 18 56 90 5.4 48 4.4 393.000 2.960 20 63 100 9.3 82 8. 714.000 3.960 25 70 106 22.2 196 18.8 1665.000 4.960 28 80 118 42.7 378 36.8 3266.000 5.960 32 90 140 74 655 64 5668.000 7.950 36 100 160 183 1,620 158 1,40010.000 9.950 40 112 170 345 3,050 296 2,62012.000 11.950 45 125 212 634 5,610 546 4,83014.000 13.930 55 140 236 945 8,360 813 7,20017.000 16.930 60 160 250 1,690 15,000 1,450 12,80019.000 18.930 70 180 280 2,360 20,900 2,030 18,00022.000 21.930 80 *200 *335 3,670 32,500 3,160 28,00024.000 23.930 90 *224 *375 4,140 36,600 3,560 31,50027.000 26.820 100 *250 *500 5,870 51,900 5,050 44,70032.000 31.820 125 *315 *630 8,320 73,600 7,150 63,30036.000 35.820 140 *355 *710 11,800 104,000 10,200 90,300All dimensions in millimeters.*Non-stock sizes47
Page 1 and 2: Engineering GuideSocket Products
Page 3 and 4: TABLE OF CONTENTSUNBRAKO ® Socket
Page 5 and 6: INCH QUICK SELECTOR GUIDEPERFORMANC
Page 7 and 8: SOCKET HEAD CAP SCREWSWhy Socket Sc
Page 9 and 10: SOCKET HEAD CAP SCREWS1960 Series
Page 11 and 12: SOCKET HEAD CAP SCREWS1960 Series
Page 13 and 14: LOW HEAD CAP SCREWSSOCKET HEAD CAP
Page 15 and 16: SHOULDER SCREWSDimensions Mechanic
Page 17 and 18: BUTTON HEAD CAP SCREWSDimensionsPre
Page 19 and 20: SQUARE HEAD SET SCREWSDimensions A
Page 21 and 22: SOCKET SET SCREWSDimensions Applic
Page 23 and 24: SOCKET SET SCREWSPoint Selection Ac
Page 25 and 26: SOCKET SET SCREWSTorsional and Axia
Page 27 and 28: PRESSURE PLUGSLEVL SEAL ® TYPE Dry
Page 29 and 30: PRESSURE PLUGSPTFE/TEFLON-Coated LE
Page 31 and 32: DOWEL PINSDimensions Application D
Page 33 and 34: PULL-OUT DOWEL PINSDimensions Appl
Page 35 and 36: HEXAGON KEYSWhy UNBRAKO keys tighte
Page 37 and 38: TABLE OF CONTENTSUNBRAKO ® Socket
Page 39 and 40: A WARNING TO METRIC FASTENER USERSM
Page 41 and 42: SOCKET HEAD CAP SCREWS Metric Bod
Page 43 and 44: METRIC SOCKET BUTTON HEAD CAP SCREW
Page 45 and 46: METRIC DOWEL PINSHardened and Groun
Page 47: METRIC SOCKET SET SCREWFlat Point,
Page 51 and 52: ISO TOLERANCESTolerances for Metric
Page 53 and 54: TABLE OF CONTENTSTechnical SectionP
Page 55 and 56: SCREW FASTENER THEORY & APPLICATION
Page 57 and 58: SCREW FASTENER THEORY & APPLICATION
Page 59 and 60: JOINT DIAGRAMSSpring ConstantsTo co
Page 61 and 62: JOINT DIAGRAMSF e2F e212nl jI j34F
Page 63 and 64: JOINT DIAGRAMSF eB = Φ F e must be
Page 65 and 66: THE TORQUE-TENSION RELATIONSHIPFig.
Page 67 and 68: STRIPPING STRENGTH OF TAPPED HOLEST
Page 69 and 70: STRIPPING STRENGTH OF TAPPED HOLEST
Page 71 and 72: HIGH-TEMPERATURE JOINTSF wF cF cF w
Page 73 and 74: CORROSION IN THREADED FASTENERSAll
Page 75 and 76: CORROSION IN THREADED FASTENERSFor
Page 77 and 78: IMPACT PERFORMANCETHE IMPACT PERFOR
Page 79 and 80: IMPACT PERFORMANCETYPICAL TENSION I
Page 81 and 82: PRODUCT ENGINEERING BULLETINUNBRAKO
Page 83 and 84: METRIC THREADSExample of thread tol
Page 85 and 86: DRILL AND COUNTERBORE SIZESDRILL AN
Page 87 and 88: THREAD STRESS AREASInch and MetricS
Page 89 and 90: OPTIONAL PART NUMBERING SYSTEMPRESS
Page 91 and 92: METRICHEX KEYS PART NUMBERS (METRIC

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