Bulk 1/2"-13 UNC Hex Cap Screws – USA-Made 18-8 Stainless (ASTM F593) | Monster Bolts Length:130 Qty - 1/2"-13 x 2-1/4" (PT) and fixtures requiring secure clamping

and fixtures requiring secure clamping

Why Choose Our L-9 (L9) Hex Head Cap Screws

Grease Fitting: Built-in Zerk fitting for easy lubrication and long-term performance

Material: 18-8 / A2 stainless steel — corrosion resistant

Bulk 1/2"-13 UNC Hex Cap Screws – USA-Made 18-8 Stainless (ASTM F593) | Monster Bolts Length:130 Qty - 1/2"-13 x 2-1/4" (PT) and fixtures requiring secure clampingMonster Overview Fix your project right the first time with Bulk 1 2" 13 UNC Hex Cap Screws from Monster Bolts USA Made in 18 8 (304) stainless steel to ASTM F593. These coarse thread, corrosion resistant fasteners are built for industrial, marine, construction, and outdoor environments where quality, compliance, and reliability matter. Note: (PT) denotes partial thread fasteners. Monster Features USA Made: Precision manufacturing and lot traceability