{"title":"Stainless Flat Head Socket Screws - Size 5\/16-18","description":"\u003ch4\u003e\n\u003cspan\u003eThese quality flat socket head bolts are countersunk so they sit flush with the surface after being installed. Standard sizes range from 4-40 up through 1\/2\". Larger sizes are available by request. Length is measured from top to bottom. Type 316 stainless is available by request.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePlease select the size below for more information.\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003ch4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_flat_head_socket_cap_screw_size_3e7464e6-1d04-400a-9ab0-0cb3f15cf519.jpg?v=1764228133\" alt=\"\"\u003e\u003c\/h4\u003e","products":[{"product_id":"size-5-16-18-x-1-2-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 1\/2\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 1\/2\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550593086,"sku":"8-FSCF-31C050","price":0.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_9db53e61-7c0f-4508-b5e5-ae3f27d1cb69.jpg?v=1764420719"},{"product_id":"size-5-16-18-x-5-8-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 5\/8\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 5\/8\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550625854,"sku":"8-FSCF-31C062","price":0.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_930bf686-98ca-4144-a3c3-731990d14554.jpg?v=1764420720"},{"product_id":"size-5-16-18-x-3-4-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 3\/4\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 3\/4\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550658622,"sku":"8-FSCF-31C075","price":0.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_3890d5db-6602-461f-bff2-6e9c4900290d.jpg?v=1764420721"},{"product_id":"size-5-16-18-x-1-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 1\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 1\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550691390,"sku":"8-FSCF-31C100","price":0.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_5b74ee4b-eca6-4882-ab03-d0e4a9e037c7.jpg?v=1764420723"},{"product_id":"size-5-16-18-x-1-1-4-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 1-1\/4\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 1-1\/4\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550724158,"sku":"8-FSCF-31C125","price":0.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_63a9acd9-2171-4ca3-ae0e-82e808a6c7cd.jpg?v=1764420725"},{"product_id":"size-5-16-18-x-1-1-2-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 1-1\/2\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 1-1\/2\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550756926,"sku":"8-FSCF-31C150","price":0.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_60b81474-faf3-459a-89b7-9dcd236e4323.jpg?v=1764420725"},{"product_id":"size-5-16-18-x-1-3-4-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 1-3\/4\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 1-3\/4\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550789694,"sku":"8-FSCF-31C175","price":0.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_76d6ebd9-b2b4-4fb0-b00c-66f5f45b4c07.jpg?v=1764420726"},{"product_id":"size-5-16-18-x-2-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 2\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 2\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550822462,"sku":"8-FSCF-31C200","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_eaa94113-1685-4733-ba2c-a5468e41b324.jpg?v=1764420728"},{"product_id":"size-5-16-18-x-2-1-2-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 2-1\/2\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 2-1\/2\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275550855230,"sku":"8-FSCF-31C250","price":0.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_0f6ed8bc-5bd4-440e-8989-e64317c40411.jpg?v=1764420730"},{"product_id":"size-5-16-18-x-2-1-4-type-304-stainless-steel-flat-head_socket_screw-bolt","title":"Flat Head Socket Cap Screw 5\/16-18 x 2-1\/4\" Type 304 Stainless","description":"\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv class=\"tab-pane active\" id=\"tab-description\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/Bolts_stainless_20flat_20head_20socket_20cap_20screw_20dimensions.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 color:=\"\" open=\"\" rgb sans sans-serif style=\"font-family: \"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize = 5\/16-18\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .31\" (5\/16\") Bolt Diameter\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eL = 2-1\/4\" (Length)\u003cbr\u003eHD = .656\" (Head Diameter)\u003cbr\u003eA = 82 Degrees\u003cbr\u003eDS = 3\/16\" (Drive Size)\u003cbr\u003eThreads per inch = 18\u003cbr\u003eThread Type = Coarse\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default Title","offer_id":42275560063038,"sku":"8-FSCF-31C225","price":0.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20steel_20flat_20head_20socket_20screws-500x500_45d36e1d-5537-4086-9df6-bd65f3457f95.jpg?v=1764421074"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/collections\/Category_box_Size_5-16-18-250x250_fb7c9d74-70d3-4027-a544-ec76f60d585f.jpg?v=1764228486","url":"https:\/\/marineboltsupply.com\/collections\/stainless-flat-head-socket-screws-size-5-16-18.oembed","provider":"Marine Bolt Supply","version":"1.0","type":"link"}