Allen Socket Cap Head Screw Hexagon Knurled Bolt

Knurled Head Cap Screws with an Internal Hex Allen Drive
A socket cap screw is a fastener driven with a socket wrench with a knurled head. A socket cap screw is a type of cap screw with a cylindrical head and hexagonal drive hole. The term socket head cap screw typically refers to a type of threaded fastener whose head diameter is nominally 1.5 times or more that of the screw shank (major) diameter.

Cylinder-head hexagon socket screws, also referred to as hexagonsocket bolts, cup-head screws, and hexagon socket screws have different names, but they represent the same meaning. Commonly usedhexagon socket head screws also have 304 and 316. Also called hexagon socket screws, also called hexagon socket bolts. The head is hexagonal and cylindrical. According to the material, there are stainless steel304 and 316.

Similar to countersunk head screws, the nail heads are embedded in themachine parts, and the connection strength is greater, but the screwsmust be assembled and disassembled with the corresponding specifi-cation Allen wrench. Generally used on various machine tools and theiraccessories.