METRIC SOCKET HEAD SHOULDER SCREWSThreads: ANSI B 1.13 M, ISO 262Similar Specifications: ANSI B18.3.3M,ISO 7379, DIN 9841NOTES1. Material: ASTM A574M alloy steel2. Hardness: Rc 36-433. Tensile Stress: 1100 MPa based on minimum thread neck area (J min.).4. Shear Stress: 660 MPa5. Concentricity: Body to head O.D. within 0.15 TIR when checked in a “V”block.Body to thread pitch diameter within 0.1 TIR when checked at a distance of5.0 C from the shoulder at the threaded end.Squareness, concentricity, parallelism, and bow of body to thread pitchdiameter shall be within 0.05 TIR per centimeter of body length with a maximumof 0.5 when seated against the shoulder in a threaded bushing andchecked on the body at a distance of 2.5 “B” from the underside of the head.6. Squareness: The bearing surface of the head shall be perpendicular tothe axis of the body within a maximum deviation of 2°.7. Thread Class: 4g 6gJTH45°LENGTH0.8+.25-0.00E30°APPROX 45°AKDJTHREADSIZE30°FIDIMENSIONSAPPLICATIONDATAA T D* K H G F I E Jrecommendedseating torque**nom. threadsize size pitch max. min. max. min. min. max. min. max. max. max. nom. N-m in-lbs.6 M5 0.8 10.00 2.4 6.0 5.982 5.42 4.50 3.68 2.5 2.40 9.75 3 7 608 M6 1.0 13.00 3.3 8.0 7.978 7.42 5.50 4.40 2.5 2.60 11.25 4 12 10510 M8 1.25 16.00 4.2 10.0 9.978 9.42 7.00 6.03 2.5 2.80 13.25 5 29 25512 M10 1.5 18.00 4.9 12.0 11.973 11.42 8.00 7.69 2.5 3.00 16.40 6 57 50016 M12 1.75 24.00 6.6 16.0 15.973 15.42 10.00 9.35 2.5 4.00 18.40 8 100 88520 M16 2.0 30.00 8.8 20.0 19.967 19.42 14.00 12.96 2.5 4.80 22.40 10 240 212524 M20 2.5 36.00 10.0 24.0 23.967 23.42 16.00 16.30 3.0 5.60 27.40 12 470 4160All dimensions in millimeters.*Shoulder diameter tolerance h8 (ISO R 286)**See Note, page 1.42
METRIC DOWEL PINSHardened and Ground DimensionsApplicable or Similar Specifications: ANSI B18.8.5M, ISO8734 or DIN 6325.Installation warning: Dowel pins should not be installedby striking or hammering. Wear safety glasses or shieldwhen pressing chamfered point end first.NOTES1. Material: ANSI B18.85-alloy steel2. Hardness: Rockwell C60 minimum (surface)Rockwell C 50-58 (core)3. Shear Stress: Calculated values based on 1050 MPa.4. Surface Finish: 0.2 micrometer maximumA0.2L -0.5+0CB10°–16°RDIMENSIONSABcalculated singlerecommendedpin diameterpoint diameterCRshear strengthhole sizenominalcrown height crown radiussize max. min. max. min. max. min. kN pounds max. min.3 3.008 3.003 2.9 2.6 0.8 0.3 7.4 1,670 3.000 2.9874 4.009 4.004 3.9 3.6 0.9 0.4 13.2 2,965 4.000 3.9875 5.009 5.004 4.9 4.6 1.0 0.4 20.6 4,635 5.000 4.9876 6.010 6.004 5.8 5.4 1.1 0.4 29.7 6,650 6.000 5.9878 8.012 8.006 7.8 7.4 1.3 0.5 52.5 11,850 8.000 7.98710 10.012 10.006 9.8 9.4 1.4 0.6 82.5 18,550 10.000 9.98712 12.013 12.007 11.8 11.4 1.6 0.6 119.0 26,700 12.000 11.98516 16.013 16.007 15.8 15.3 1.8 0.8 211.0 47,450 16.000 15.98520 20.014 20.008 19.8 19.3 2.0 0.8 330.0 74,000 20.000 19.98325 25.014 25.008 24.8 24.3 2.3 1.0 515.0 116,000 25.000 24.983All dimensions in millimeters.APPLICATION DATA43
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