{"id":1719,"date":"2026-09-26T15:08:40","date_gmt":"2026-09-26T15:08:40","guid":{"rendered":"https:\/\/fastenhardware.com\/?post_type=product&p=1719"},"modified":"2026-09-29T03:33:23","modified_gmt":"2026-09-29T03:33:23","slug":"grade-8-8-zinc-plated-hex-head-bolts-extended-lengths","status":"publish","type":"product","link":"https:\/\/fastenhardware.com\/de\/product\/grade-8-8-zinc-plated-hex-head-bolts-extended-lengths\/","title":{"rendered":"Chinese National Standard Grade 8.8 Zinc-Plated Long Hex Bolts High-Strength 5783M5M6M8M10M12M16"},"content":{"rendered":"
\"Grade<\/figure>\n

Grade 8.8 zinc-plated hex head bolts, including extended lengths and the supplier-labelled full-thread and partial-thread options. The title identifies standard 5783. Length L excludes the bolt head; the source example M6 x 20 means a 6 mm thread diameter and 20 mm length excluding the head. The dimensions below are supplier batch measurements.<\/p>\n

Technical Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Thread<\/th>\nPitch (mm)<\/th>\nHead k max (mm)<\/th>\nHead k min (mm)<\/th>\nAcross flats s max (mm)<\/th>\nAcross flats s min (mm)<\/th>\n<\/tr>\n<\/thead>\n
M3<\/td>\n.5<\/td>\n2.2<\/td>\n1.9<\/td>\n5.5<\/td>\n5.25<\/td>\n<\/tr>\n
M4<\/td>\n.7<\/td>\n3<\/td>\n2.8<\/td>\n7<\/td>\n6.75<\/td>\n<\/tr>\n
M5<\/td>\n.8<\/td>\n3.74<\/td>\n3.26<\/td>\n8<\/td>\n7.85<\/td>\n<\/tr>\n
M6<\/td>\n1<\/td>\n4.24<\/td>\n3.76<\/td>\n10<\/td>\n9.65<\/td>\n<\/tr>\n
M8<\/td>\n1.25<\/td>\n5.54<\/td>\n5.26<\/td>\n13<\/td>\n12.77<\/td>\n<\/tr>\n
M10<\/td>\n1.5<\/td>\n6.69<\/td>\n6.38<\/td>\n17<\/td>\n16.72<\/td>\n<\/tr>\n
M12<\/td>\n1.75<\/td>\n7.79<\/td>\n7.41<\/td>\n19<\/td>\n18.58<\/td>\n<\/tr>\n
M14<\/td>\n2<\/td>\n9.09<\/td>\n8.76<\/td>\n22<\/td>\n21.66<\/td>\n<\/tr>\n
M16<\/td>\n2<\/td>\n10.29<\/td>\n9.91<\/td>\n24<\/td>\n23.66<\/td>\n<\/tr>\n
M18<\/td>\n2.5<\/td>\n11.79<\/td>\n11.57<\/td>\n27<\/td>\n26.68<\/td>\n<\/tr>\n
M20<\/td>\n2.5<\/td>\n12.82<\/td>\n12.52<\/td>\n30<\/td>\n29.52<\/td>\n<\/tr>\n
M22<\/td>\n2.5<\/td>\n14.22<\/td>\n14.12<\/td>\n32<\/td>\n31.64<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Model<\/strong>: 968187325906<\/span><\/p>","protected":false},"excerpt":{"rendered":"

Grade 8.8 zinc-plated hex head bolts, including extended lengths and the supplier-labelled full-thread and partial-thread options. The title identifies standard 5783. Length L excludes the bolt head; the source example M6 x 20 means a 6 mm thread diameter and 20 mm length excluding the head. The dimensions below are supplier batch measurements.<\/p>","protected":false},"featured_media":1720,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[16],"product_tag":[],"class_list":["post-1719","product","type-product","status-publish","has-post-thumbnail","product_cat-hex-bolts","first","instock","shipping-taxable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/product\/1719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/comments?post=1719"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/media\/1720"}],"wp:attachment":[{"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/media?parent=1719"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/product_brand?post=1719"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/product_cat?post=1719"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/fastenhardware.com\/de\/wp-json\/wp\/v2\/product_tag?post=1719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}