Heavy Duty SAE Pattern Grade 8 Hardened Extra Thick Flat Washer Set 1/4 In 5/16 In 3/8 In 7/16 In 1/2 In 5/8 In 3/4 In Zinc Yellow Finish 150-Piece Swordfish Assortment

Heavy Duty SAE Grade 8 Hardened Extra Thick Washer Set 150pc
✔️ 150-piece SAE Grade 8 hardened washers; 1/4 to 3/4 in; zinc-yellow

This is a heavy-duty flat washer assortment built to distribute load in high-stress fastener applications. Suitable for automotive, industrial, and machinery work, the extra-thick design helps maintain clamp force and guards against surface damage in tough assembly environments.

✅ Pack of 150 pieces across sizes 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4 in
✅ SAE Pattern Grade 8 hardened extra thick flat washers
✅ Zinc yellow finish for corrosion resistance
✅ Sized to fit common fasteners from 1/4 to 3/4 in

💡 What is a heavy-duty flat washer used for in high-stress assemblies?

These handy hardware pieces help spread load and protect fastener threads in tough equipment.

• Distributes load to prevent pull-through and surface damage
• Improves fastener security in high-torque environments
• Grade 8 hardened steel provides strong, durable support
• Zinc-yellow finish resists corrosion in outdoor or damp areas