Premium 304 stainless steel square washer plates, 2.4 inch outer diameter, 3 mm thick, 3/8 inch bore, ideal for distributing load and protecting bolts in harsh construction environments and metal framing

Ten-Piece 3/8 in Square Plate Washers, 60 mm x 60 mm
✔️ 10 pcs, 3/8" ID, 60x60 mm, 3 mm thick, Φ10 mm

These square plate washers are made from 304 stainless steel, delivering strong rust and corrosion resistance in harsh environments. They’re ideal for distributing bolt loads in square strut channels, light steel framing, machinery, and industrial equipment where secure mounting matters.

✅ Material: 304 stainless steel for corrosion resistance
✅ Size: 60 mm x 60 mm square plate, 3 mm thickness
✅ Hole: Φ10 mm for 3/8" bolts
✅ Pack: 10 pieces per set for easy replacement

Dimension	Inches	Millimeters
Internal bore (ID)	0.375"	9.52 mm
Outer size	2.4" x 2.4"	60.0 x 60.0 mm
Thickness	0.118"	3.0 mm
Hole diameter	0.394"	10.0 mm

💡 What is a square plate washer used for in construction and metal framing?

Handy answer:

- Distributes bolt load over a larger area to prevent material crush - Improves bolt retention and alignment in square channels - Works with standard 3/8" bolts in framing and equipment mounts