Countersunk Socket Cap Screw A2 304 Stainless Steel Metric M4-M8

Metric A2 / 304 stainless steel countersunk socket screws — also known as countersunk cap screws or CSK socket screws. A flat countersunk head with a hex socket drive (Allen key), made to DIN 7991 in corrosion-resistant 304 (A2) stainless. The head seats flush with the surface for a clean, snag-free finish.

Ideal for machinery, panels, end caps, jigs, marine and general engineering. Trade-quality fasteners at workshop-friendly prices — in stock and shipped fast from our Wellington warehouse.

Tip: use M4 countersunk screws to finish our 20 Series cast-aluminium end caps.

Sizes: M4 to M8 — choose from the dropdown.