Socket Head Cap Screws Metric Series – M3 – M42

  1. The screws will generally conforms to IS : 2269, ISO 4762, and DIN 912.
  2. Threads will confirm to class 4g6g of IS : 4218, Coarse Series.
  3. Material : Mita High Grade Alloy Steel.
  4. Heat Treatment : HRC 38 – 44.
  5. Propety Class : 12.9.
  6. Sizes in brackets are non-preferred standards.
  7. All dimensions are in millimeters.
Thread Size Pitch A Max B Max. E Min. F Min. H Max. da Max. W Nom. LT Basic
M3 0.50 5.5 3.0 1.20 1.5 3.0 3.6 2.5 18
M4 0.70 7.0 4.0 1.70 2.0 4.0 4.7 3.0 20
M5 0.80 8.5 5.0 2.15 2.5 5.0 5.7 4.0 22
M6 1.00 10.0 6.0 2.60 3.0 6.0 6.8 5.0 24
M8 1.25 13.0 8.0 3.50 4.0 8.0 9.2 6.0 28
M10 1.50 16.0 10.0 4.55 5.0 10.0 11.2 8.0 32
M12 1.75 18.0 12.0 5.50 6.0 12.0 14.0 10.0 36
(M14) 2.00 21.0 14.0 6.50 7.0 14.0 16.2 12.0 40
M16 2.00 24.0 16.0 7.50 8.0 16.0 18.2 14.0 44
M18 2.50 27.0 18.0 8.10 9.0 18.0 20.2 14.0 48
M20 2.50 30.0 20.0 8.90 10.0 20.0 22.4 17.0 52
(M22) 2.50 33.0 22.0 10.30 11.0 22.0 24.4 17.0 56
M24 3.00 36.0 24.0 11.10 12.0 24.0 26.04 19.0 60
(M27) 3.00 40.0 27.0 12.5 13.5 27.0 30.4 19.0 66
M30 3.50 45.0 30.0 13.35 15.5 30.0 33.4 22.0 72
M33 3.50 50.0 33.0 14.16 18.0 33.0 36.4 24.0 78
M36 4.00 54.0 36.0 16.0 19.0 36.0 39.4 27.0 84
M42 4.50 63.0 42.0 17.2 24.0 42.0 45.6 32.0 96

Physical Properties

Inclusive diameters Upto 16 mm Above 16 mm
Ultimate Tensile Strength, Min. 1,300 N/mm2 132.5 kgf/mm2 1,250 N/mm2 127.4 kgf/mm2
Yield strength, 0.2% offset, Min. 1,170 N/mm2 119.3 kgf/mm2 1,124 N/mm2 114.6 kgf/mm2
Shear strength, Min. 780 N/mm2 79.5 kgf/mm2 750 N/mm2 76.5 kgf/mm2
Elongation % on GL = 5.65
Where A = Cross sectional area
9% Min. 9% Min.
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