Workhorse Aluminum Rivet Backup Washers 1/8 Inch Pack Of 250 Heavy Duty Metal Setting Blocks For Soft Materials Automotive Trim Home Repair Jobs With Corrosion Resistant Silver Finish That Holds Up To Hard Daily Work
✔️ Pack of 250 pieces sized 1/8 inch thick anti rust silver finish
These aluminum backup washers act as sturdy backing plates during fastener work, spreading pressure evenly across delicate surfaces. They keep panels from denting or warping while you set rivets on automotive trim, fiberglass, plywood, or plastic components. Using a matching aluminum washer ensures even hardness so your fasteners seat cleanly without slipping or causing surface damage.
✅ Made from durable aluminum alloy that resists bending under torque
✅ Sized perfectly for standard 1/8 inch rivets and screws
✅ Silver corrosion resistant coating stands up to daily shop use
✅ Designed to protect soft substrates like sheet metal and composites
✅ Bulk packaging supplies plenty of backups for large fabrication runs
💡 Why do professionals prefer backup washers for soft material fastening jobs?
Setting these backing plates behind rivets keeps torque spread out so delicate panels stay flat and undamaged.
- You get consistent clamping force without mudding up lightweight sheets
- Matching washer material stops galvanic issues and keeps fasteners tight longer
- This handy setup speeds up production lines and cuts down on failed installs
- Great for truck beds, camper shells, aircraft interiors, and DIY fiberglass repair