Black steel hex socket cap screw, No. 6 x 19mm, for general assembly and machinery.

Black steel hex socket cap screw for machinery and equipment assembly.

Small steel hex socket cap screw for precision mechanical assembly and equipment fastening.

Black steel hex socket cap screw for industrial assembly and machinery fastening.

Steel hex socket cap screw for general mechanical assembly and equipment fastening.

Black steel hex socket cap screw for mechanical assemblies and industrial applications.

Small black steel hex socket cap screw for industrial assembly and machinery fastening.

Industrial hex socket cap screw for machinery and equipment assembly and repair.

Quarter-inch steel hex socket cap screw for general industrial fastening and assembly applications.

Black steel hex socket cap screw for machinery and equipment assembly.

Small black steel hex socket cap screw for industrial assembly and machinery applications.

Steel hex socket cap screw for machinery and equipment assembly work.