Bulk 1-3/8"-12 Socket Head Cap Screws – Fine Thread, Alloy Steel, Black Oxide – Monster Bolts Size_9/16"-12 Socket Cap Design: Cylindrical head

Socket Cap Design: Cylindrical head style allows maximum clamping force in compact assemblies

abrasion resistance

DIN 980-V Standard: Ensures consistent locking performance and dimensional accuracy

"name":"Monster Bolts Bulk 3/8-16 Socket Head Cap Screws

These USS flat washers with Zinc Yellow Cr+6 plating are perfect for use in construction projects

Bulk 1-3/8"-12 Socket Head Cap Screws – Fine Thread, Alloy Steel, Black Oxide – Monster Bolts Size_9/16"-12 Socket Cap Design: Cylindrical headMonster Overview: Fix your project right the first time with Bulk 1 3 8" 12 Socket Head Cap Screws from Monster Bolts. Precision made from high strength alloy steel and finished with a thermal black oxide coating, these fine thread (UNF) fasteners provide superior torque control, smooth threading, and consistent performance. Ideal for precision mechanical, structural, and industrial applications requiring high clamping force and alignment accuracy.