Two Thousand Five Hundred Pieces Quarter Twenty By Half Inch Heavy Duty Security Machine Screws Button Head Hex Socket Pin Drive 304 Stainless Steel Fasteners Free Shipping in the USA
✔️ 1/4-20 x 1/2 in (6.35 x 12.7 mm), button head, hex socket pin drive
These heavy-duty security machine screws come in a bulk pack of 2,500 pieces. Each fastener features a quarter-inch diameter, 20 threads per inch, and a half-inch length with a button head and hex socket pin drive. Made from 304 stainless steel (18-8), these screws resist corrosion and provide dependable security in outdoor or harsh environments.
✅ 1/4-20 thread diameter: 0.25 in (6.35 mm)
✅ 1/2 in length: 0.5 in (12.7 mm)
✅ Button head design for a clean finish
✅ Hex socket pin drive for tamper resistance
✅ 304 stainless steel (18-8) for corrosion resistance
💡 What is a common use for quarter-inch machine screws in metalwork?
These fasteners are handy for securing enclosures, panels, and frames in machines, giving a strong, corrosion-resistant connection.
- handy for securing panels and enclosures in machinery
- tamper-resistant with hex socket pin drive
- corrosion resistance from 304 stainless steel
- bulk availability in bulk 2500-piece packs