Rock Solid 304 Stainless Steel Hex Socket Spring Ball Plunger Set Screws Knurled Thumb Nut M3 M4 M5 M6 M8 Black Grade 12.9 Heavy Duty Industrial Hardware Built To Damn Near Last
✔️ Pack of five features grade twelve nine hardened steel screws
This heavy duty hardware set gives you reliable fastening power for shop projects and machine builds. You can hand tighten the knurled nuts quickly without tools to lock parts in place on jigs or fixtures. Each package keeps your workstation stocked so you never lose track of vital hardware.
✅ 304 stainless steel body resists rust and corrosion✅ Hex socket drive allows secure wrench engagement
✅ Extended knurled design offers comfortable finger grip
✅ Thread sizes range from three to eight millimeters
💡 Why choose spring loaded plunger screws for industrial jigs and fixtures?
These handy fasteners keep your equipment steady during tough machining work.
- The built in spring tension handles vibration shake without backing off
- Hardened grade twelve nine material stands up to constant torque stress
- Sealed ball bearing tip prevents metal galling on soft workpieces
- Straight shaft design fits perfectly into standard tapped holes
You get faster setup times and tighter tolerance control on every build.