[2500 BULK] Flange Bolts Serrated Hex Washer Case Hardened Steel Black Oxide 1/4-20 X 5/8

[2500 BULK] Flange Bolts Serrated Hex Washer Case Hardened Steel Black Oxide 1/4-20 X 5/8"

Upgrade your fastener kit with these high-strength flange bolts. Crafted from case-hardened steel and finished in black oxide, they deliver superior hardness, wear resistance, and corrosion protection for demanding environments. The serrated hex washer provides a secure grip that resists loosening under vibration, while the flange distributes clamping force for a flush, professional finish.

• Quantity: 2,500 pieces (bulk case)
• Material: Case-hardened steel
• Finish: Black oxide
• Head & Washer: Flange bolt with serrated hex washer
• Thread size: 1/4-20 UNC
• Length: 5/8 in

Applications: automotive, machinery, equipment assemblies, and general maintenance projects where high-strength, vibration-resistant fasteners are essential.

Bulk savings: Store up to 2,500 bolts in your workshop and keep essential fasteners on hand for immediate use.