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M2.5 SS Allen Socket Head Screw

M2.5 SS Allen Socket Head Screw

DIN 912 M2.5 stainless steel hexagon socket head cap screws in A2 (304) grade. Cylindrical head provides full loadability with hex drive for confined-space installation at 2.5mm diameter.

Specification #

Standard DIN 912 / ISO 4762 (DIN EN ISO 4762)
Thread Coarse (standard)
Material Stainless Steel 304 (A2)
Grade A2-70
Stock In stock (304). Grade 316 available against bulk order

Dimension #

Dimension of Allen Socket Head Screw

Size (d mm) Thread Dia (min-max mm) Pitch Length (mm) Thread Length (mm)
M3 2.98-3.00 0.5 6-40 Full thread
M6 5.97-6.00 1.0 10-80 24
M8 7.96-8.00 1.25 12-100 28
M10 9.96-10.00 1.5 16-120 32
M16 15.95-16.00 2.0 25-150 44
  • All dimensions in mm, tolerance +/- 0.01 mm. Additional dimensions available on request.

Benefits #

The 2.5mm stainless steel socket head cap screw addresses high-load fastening in corrosive environments. Unlike button or countersunk variants, the cylindrical head provides full loadability per ISO 3506-1. A2-70 grade delivers 700 MPa tensile strength with inherent corrosion protection. Deep hex socket engagement allows high installation torque without cam-out, even after repeated disassembly cycles. The smooth cylindrical head can serve as a locating surface in precision fixtures.

Common Applications #

M2.5 SS socket head cap screws are specified for high-load corrosion-resistant fastening:

  • Machine tool construction
  • Food processing machinery
  • Automotive engine components (corrosion zones)
  • Mold and die construction
  • Hydraulic cylinder mounting
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