Hexagon Head Bolts, Screws
Socket Head Cap Screws
Socket Button Head Cap Screws
Socket Countersunk Head Screw
Socket Set Screws
Hex Nut
Special Fasteners
 
 
Socket Button Head Cap Screws Metric Series - UNC, UNF -
Note:
  1. Threads will confirm to class 4g6g of IS : 4218, Coarse Series.
  2. Material : Mita High Grade Alloy Steel.
  3. Heat Treatment : HRC 38 - 44.
  4. Propety Class: 12.9. (Because of their head configurations, these screws may not meet the minimum ultimate tensile load for Property class 12.9)
  5. All dimensions are in millimeters.
 
 
Thread Size pitch A Max. H Max. F Min. S Ref. R Max. W Nom. L Max.
M3 0.50 5.70 1.65 1.05 3.1 0.35 2.0 20
M4 0.70 7.60 2.20 1.35 4.2 0.35 2.5 40
M5 0.80 9.50 2.75 1.92 5.3 0.45 3.0 40
M6 1.00 10.50 3.30 2.08 5.5 0.45 4.0 50
M8 1.25 14.00 4.40 2.75 7.4 0.50 5.0 50
M10 1.50 17.5 5.50 3.35 9.3 0.60 6.0 50
M12 1.75 21.00 6.60 4.16 11.0 0.70 8.0 50
 
Physical Properties
Ultimate Tensile Strength, Min. 1050 N/mm2 107 kgf/mm2
Yield strength, 0.2% offset, Min. 945 N/mm2 96.3 kgf/mm2
Shear strength, Min. 630 N/mm2 64.2 kgf/mm2
Elongation % on GL = 5.65
Where A = Cross sectional area
9% Min. 9% Min.
 
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