Bulk 1/2"-13 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts Length:75 Qty - 1/2"-13 x 4" (PT) Finish & Lube: Passivated surface

Finish & Lube: Passivated surface + factory dry-wax (silicone-free) for consistent clamp load & anti-seize performance

The fully threaded shank offers maximum holding power in compact applications

CR+3 compliant

6 Intonation Screws

Integrated Washer Head: Indented hex-washer design spreads load—no extra washer needed

Bulk 1/2"-13 Flat Head Socket Cap Screws – Alloy Steel, Black Oxide – Monster Bolts Length:75 Qty - 1/2"-13 x 4" (PT) Finish & Lube: Passivated surfaceMonster Overview: Engineered for dependable clamp force and clean, low profile installs, Bulk 1 2" 13 Flat Head Socket Cap Screws use high strength alloy steel with a uniform thermal black oxide finish. The 82 flat head seats fully flushideal for machinery, jigs fixtures, and industrial fabrication where clearance and appearance matter. All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U. S. warehouse.