Bulk #4-40 Phillips Pan Head Machine Screws – Steel Black Oxide Length:10000 Qty - 4-40 x 7/16" Bulk 2-1/4"-4 1/2 x 8"

Bulk 2-1/4"-4 1/2 x 8" (PT) Grade A Hex Bolts (A307

Black phosphate coating enhances the screw’s resistance to corrosion while providing a smooth

With exceptional corrosion resistance

perfect for moderate indoor or light outdoor conditions

✔️ Thermal black oxide finish provides mild corrosion protection

Bulk #4-40 Phillips Pan Head Machine Screws – Steel Black Oxide Length:10000 Qty - 4-40 x 7/16" Bulk 2-1/4"-4 1/2 x 8"Monster Overview: Fix your project right the first time with Bulk #4 40 Phillips Pan Head Machine Screws made from reliable Carbon Steel and finished with a Black Oxide Coating. These fully threaded micro screws are ideal for electronics, compact hardware panels, and precise assemblies. The pan head design provides a broad contact area, while the black oxide coating ensures a low glare, mildly corrosion resistant finish suitable for internal use.