Large-diameter metric steel hex socket cap screw for heavy assembly.

Steel hex socket cap screw M20x50mm for machinery and equipment assembly.

M20 steel hex socket cap screw for machinery and equipment assembly.

M20x90mm zinc-plated steel socket cap screw for industrial machinery and equipment assembly.

Metric hex socket cap screw, zinc plated steel, M20 x 50mm for industrial assembly.

Industrial-grade steel hex socket cap screw for machinery and structural assembly work.

Large zinc-plated steel socket cap screw for heavy industrial construction work.

High-strength steel socket head cap screw for machinery and equipment assembly.

M20 steel hex socket cap screw for industrial machinery and equipment assembly.

Heavy-duty metric socket cap screw for industrial machinery and structural assembly.

Industrial-grade steel hex socket cap screw with zinc plating for equipment assembly.