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M2.5 SS Countersunk Machine Screw

M2.5 SS Countersunk Machine Screw

ISO 7046 M2.5 stainless steel countersunk head screws in A2 (304) grade with cross-recessed drive. Flush-mounting conical head for smooth surfaces at 2.5mm thread diameter.

Specification #

Standard ISO 7046 / DIN 965
Thread Coarse (standard)
Material Stainless Steel 304 (A2)
Grade A2-70
Stock In stock (304). Grade 316 available against bulk order

Dimension #

Dimension of SS Countersunk Head Machine Screw

Size (d mm) Thread Dia (min-max mm) Pitch Length (mm) Thread Length (mm)
M3 2.98-3.00 0.5 6-30 Full thread
M4 3.97-4.00 0.7 8-40 Full thread
M6 5.97-6.00 1.0 10-60 Full thread
M8 7.96-8.00 1.25 12-80 Full thread
M10 9.96-10.00 1.5 16-100 Full thread
  • All dimensions in mm, tolerance +/- 0.01 mm. Additional dimensions available on request.

Benefits #

The 2.5mm stainless steel countersunk machine screw addresses flush-mounting requirements where plated fasteners would corrode. The conical head provides self-centering action in the countersunk hole, improving alignment during assembly. A2-70 grade provides 700 MPa tensile strength with inherent corrosion protection. Cross-recessed drive allows controlled torque application during powered installation. This diameter is suited to precision assemblies in medical, food processing, and marine environments.

Common Applications #

M2.5 SS countersunk machine screws are specified for flush corrosion-resistant fastening:

  • Electrical enclosure flush panels
  • Marine interior fittings
  • Food processing equipment covers
  • HVAC access panels
  • Automotive interior trim mounting
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