Model NO.: WS-SQ
Trademark: SH
Origin: China
HS Code: 7318
Produced in carbon steel SAE 1010 to 1020, hot dip galvanizing according with ASTM A-153.Installed under the heads, nuts, and eyes of bolts, rods, or other threaded products to provide a broader bearing surface and increase the compression grip of the tightened nut. They prevent the crushing of wood fibers and protect the drilled hole. Square washers also allow for alignment checking.
Other sizes are available upon request.
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