Bulk 1-3/8"-12 Socket Head Cap Screws – Fine Thread, Alloy Steel, Black Oxide – Monster Bolts Size_9/16"-12 DIN 980-V Standard: Ensures consistent

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

Drive: Phillips #1 cross recess—compatible with precision manual and automated drivers

Fix your project right the first time with #8-18 Phillips Pan Head Type 25 Thread-Cutting Screws from Monster Bolts

Drive: 6-Lobe (Torx®) pan head delivers high torque with minimal cam-out

Bulk 1-3/8"-12 Socket Head Cap Screws – Fine Thread, Alloy Steel, Black Oxide – Monster Bolts Size_9/16"-12 DIN 980-V Standard: Ensures consistentMonster 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.