{"id":19750,"date":"2025-05-05T13:41:11","date_gmt":"2025-05-05T13:41:11","guid":{"rendered":"https:\/\/stainlessbolts.com\/gemstar\/?page_id=19750"},"modified":"2026-05-27T06:06:22","modified_gmt":"2026-05-27T06:06:22","slug":"square-washer","status":"publish","type":"page","link":"https:\/\/stainlessbolts.com\/gemstar\/square-washer\/","title":{"rendered":"Square Washer"},"content":{"rendered":"\t\t
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Stainless Steel Square Washers - Grade 202, 304, 316, A2, A2-70 <\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Square Washers are flat washers with a square outer shape and a central round hole. Unlike standard round washers, square washers offer a larger bearing surface and better resistance to rotation and pull-through, especially in wood-to-metal or structural applications.<\/p><\/div>\t\t\n\t<\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t <\/div>\r\n <\/div>\r\n \t\t\t<\/div>\n\t\t<\/section>\n\t\t <\/div>\r\n <\/div>\r\n \t\t\t<\/div>\n\t\t<\/section>\n\t\t

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Technical Specifications \u2013 Square Washers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t
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Below is a standard technical specification table for Square Washers (commonly based on ASTM F436 or DIN standards, used in structural and wood applications):<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t

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Nominal Bolt Size <\/td>\n
Hole Diameter (d) <\/div><\/td>\n
Outer Width (L) <\/div><\/td>\n
Thickness (t) <\/div><\/td>\n
Standard <\/div><\/td>\n
Common Finish <\/div><\/td>\n <\/tr>\n
M6 <\/td>\n 6.5 mm <\/td>\n 20 mm <\/td>\n 3.0 mm <\/td>\n DIN 436 <\/td>\n Zinc Plated \/ HDG \/ Plain <\/td>\n <\/tr>\n
M8<\/td>\n 9.0 mm <\/td>\n 25 mm <\/td>\n 3.0 mm <\/td>\n DIN 436 <\/td>\n Zinc Plated \/ HDG \/ Plain <\/td>\n <\/tr>\n
M10<\/td>\n 11.0 mm <\/td>\n 30 mm <\/td>\n 4.0 mm <\/td>\n DIN 436 <\/td>\n Zinc Plated \/ HDG \/ Plain <\/td>\n <\/tr>\n
M12<\/td>\n 13.0 mm <\/td>\n 40 mm <\/td>\n 5.0 mm <\/td>\n DIN 436 <\/td>\n Zinc Plated \/ HDG \/ Plain <\/td>\n <\/tr>\n
M16<\/td>\n 17.0 mm <\/td>\n 50 mm <\/td>\n 6.0 mm <\/td>\n DIN 436 <\/td>\n Zinc Plated \/ HDG \/ Plain <\/td>\n <\/tr>\n
M20<\/td>\n 21.0 mm <\/td>\n 60 mm <\/td>\n 6.0 mm <\/td>\n DIN 436 <\/td>\n Zinc Plated \/ HDG \/ Plain <\/td>\n <\/tr>\n
M24<\/td>\n 25.0 mm <\/td>\n 65 mm <\/td>\n 8.0 mm <\/td>\n DIN 436 <\/td>\n Zinc Plated \/ HDG \/ Plain <\/td>\n <\/tr>\n
M30<\/td>\n 31.0 mm <\/td>\n 75 mm <\/td>\n 10.0 mm <\/td>\n DIN 436 <\/td>\n Zinc Plated \/ HDG \/ Plain <\/td>\n <\/tr>\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t
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