Black Grade 12.9 High Strength Button Head Socket Screw Allen Bolt Hex Drive Hexagon Socket Round Head Bolt

This is a black Grade 12.9 high strength button head socket screw, also known as an Allen bolt or hexagon socket round head bolt. The Grade 12.9 indicates very high tensile strength, and the Allen or hex drive allows for flush mounting. It is typically used in applications requiring high strength and a low-profile head.

Specifications

Drive	Allen, Hex
Grade	12.9
Head Style	Button Head Socket, Hexagon Socket Round Head

About bolts

Black Grade 12.9 High Strength Button Head Socket Screw Allen Bolt Hex Drive Hexagon Socket Round Head Bolt is listed under Bolts — hex, carriage, structural, eye and u-bolts across grades and finishes. Bolts are externally threaded fasteners designed for insertion through holes in assembled parts, and are normally intended to be tightened or released by torquing a nut. The primary function of a bolt is to create a clamped joint through tension.

Compare this against other bolts, or search the full index for equivalents from other manufacturers.