uxcell #14 304 Stainless Steel Cup Washer Countersunk for Screw Bolt 150pcs
Special Features
- Size: 8.5mm x 20mm x 4.5mm/0.33" x 0.79" x 0.18"(Inner Dia x OD x T)
- 304 stainless steel for corrosion resistance, for outside applications, easy to install.
- Prevents a nut, bolt, or screw from pulling through the material
- Apply for electrical connections on household and commercial appliances and in threaded bolt connections.
- Cup washers are used under the head of a bolt or nut across the area of the support to prevent pull through.
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