Bulk 3/8-16 Button Head Socket Cap Screws – Alloy Steel – Zinc Bake CR+3 Size_# 6-40 - Fine Recognized by their nine radial

Recognized by their nine radial lines and “L9” marking

✔️ Available in UNC (coarse) and UNF (fine) thread options

Tap anchor into drywall or plaster with a hammer until flush

Industrial and mechanical assemblies

Bulk 3/8-16 Button Head Socket Cap Screws – Alloy Steel – Zinc Bake CR+3 Size_# 6-40 - Fine Recognized by their nine radialMonster Overview Fix your project right the first time with Bulk 3 8 16 Button Head Socket Cap Screws. These heavy duty fasteners are manufactured from alloy steel, delivering strong and reliable performance for industrial, mechanical, and equipment assembly applications. The button head design provides a smooth, low profile appearance while maintaining solid clamping force. These screws use a hex socket drive, also known as an Allen bolt or hex