The Nut Hut

CSK Cap Screws M4x40 A2 SS 304 7991

A Counter Sunk Cap Screw is a type of screw that’s designed to rest flush with the object or surface in which it’s inserted. They are called “countersunk screws” because they “sink” into objects and surfaces. They feature a flat head that tapers along the shaft.

SKU: CCSA2440 Category:

Stainless steel 304 Fasteners is one of the highly used grades of stainless steel. It is also known as chromium nickel grade. Stainless steel 304 fasteners are an austenitic chromium nickel stainless steel. These are used in steel pickling, acid leach mining applications, kitchen equipment, hose clamps, exhaust manifolds, stainless hardware, storage tanks, pressure vessels, piping and other such industries. It has good corrosion resistance, durability and mechanical potency.

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