Grade 8 Steel Flat Washer With Zinc Yellow Chromate Finish For Heavy Duty Strength And Corrosion Resistance ASME B18.22.1 Compliant 5/8 Inch Screw Size Inner Diameter 21/32 Inch Outer Diameter 1-5/16 Inch Thickness 0.135 Inch Pack Of 25 For Load
✔️ 5/8 in screw size, ID 21/32 in, OD 1-5/16 in, thk 0.135 in, pack 25
This Grade 8 steel flat washer features a zinc yellow-chromate finish for heavy-duty strength and corrosion resistance, and it meets ASME B18.22.1. Used to distribute load, act as a spacer, and prevent fastener pull-through in automotive, industrial, and general machinery applications.
✅ Inner diameter: 21/32 in (16.7 mm)
✅ Outer diameter: 1-5/16 in (33.3 mm)
✅ Thickness: 0.135 in (3.43 mm)
✅ Material: Grade 8 steel
✅ Finish: Zinc yellow-chromate plating
✅ Compliance: ASME B18.22.1
✅ Pack size: 25 washers
💡 What is a heavy-duty flat washer used for in bolted joints? This handy piece spreads load and spaces components in demanding setups.
- Load distribution across fastening surfaces
- Spacing and alignment in high-stress assemblies
- Corrosion resistance from zinc yellow-chromate finish
- Keeps bolts secure by providing a stable seating area