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TRB RC M3 - 0.5 x 16mm ( SHC ) Socket Head Cap Screw 10pcs Class 12.9 Hard Alloy Steel.
Unit of Measure / Metric mm
Material / Alloy Steel
Grade / Class 12.9
Specification / DIN 912 - ISO 4762
Tensile Strength / 1220N/mm minimum
Proof Strength / 1100N/mm minimum
Hardness / HRC 39-44
Head Type / Socket Cap
Drive Type / Hex Socket
Thread & Pitch Size (mm) / M3-0.5
Length (mm) / 16mm
Color / Black
Length Measurement Type / Length Under Head
Hex Key Size (inch) / 2.5mm
  • Externally threaded fastener with metric threads, a cylindrical head with a flat chamfered top surface, knurled cylindrical sides and hex agonal recess, made from alloy steel.
  • Class 12.9 socket cap screws are comparable, but not e x actly equivalent to U.S. alloy steel socket cap screws. Ideal for precision assembly work with close tolerances and applications needing a well-tooled appearance. Supplies greater tensile strength than equivalent sizes of Class 8.8 or 10.9 hex head cap screws while requiring less surface area or conterbore since the fastener is internally wrenched.
  • Class 12.9 socket cap screws shall be made from an alloy steel which conforms to the following chemical composition requirements - Carbon: 0.20-0.50%; Phosphorous: 0.035% ma x imum; Sulfur: 0.035% ma x imum; and one or more of chromium, nickel, molybdenum or vanadium.

TRB RC 3 x 16mm Socket Head Cap Screw Class 12.9 Hard Alloy Steel (10)


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CHOKING HAZARD Small parts. Not for children under 3 yrs.