Pro Grade 1 4 20 X 3 Inch Zinc Plated Steel Truss Head Machine Screws Phillips Slotted Drive Heavy Duty Hardware Pack Of 100 Bulletproof Quality No Fuss Assembly
✔️ 1 4 x 3 inch zinc plated steel truss head machine screws
This bulk assortment of heavy duty fasteners delivers reliable holding power for assembling metal frames, wood jigs, and industrial panels. Builders and hobbyists choose these combo drive screws because they install smoothly with any standard tool in workshops or job sites around town.
✅ 100 pieces per package for long term replacement stock✅ 1 4 inch nominal diameter threads to match standard bolts
✅ 3 inch unthreaded shank and threaded body for deep grip
✅ Corrosion resistant zinc coating protects against rust
✅ Wide truss profile distributes load without pulling through material
💡 What makes heavy duty truss head machine screws handy for shop assembly jobs These combo drive fasteners provide steady engagement across steel plates and thick timber due to the extended thread penetration and reinforced core strength. - Raised dome architecture spreads clamping force evenly so thin aluminum sheets or molded polymer parts never crack under torque - Dual star and flat tip grooves let you swap bits mid operation without grabbing the wrong driver and spinning out the recess - Electroplated zinc layer bonds tightly to the carbon steel substrate so salt air and workshop humidity cannot pit the shank over time - Nominal quarter inch pitch mates perfectly with standard hex bolts making frame bracing and equipment mounting straightforward for weekend crews
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