{"title":"Size 1\/4-20 - Type 316 Stainless Phillips Flat Head Machine Screws","description":"\u003ch4\u003eThe length of a flat head screw is determined by measuring from the top of the head to the end of the screw (the whole screw). Type 316 stainless steel has a superior resistance to rust and corrosion and is a must for any salt or chlorine water applications. \u003cspan\u003eClick on each size below for more information.\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/MS_Flat_Head_Screw_diagram_16bffc02-de2f-4df8-9ff8-b5da0f3e53c7.jpg?v=1764575125\" alt=\"\"\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/h4\u003e","products":[{"product_id":"size-1-4-20-x-3-4-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 3\/4\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 3\/4\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275538337854,"sku":"6-FMPF-25C075","price":0.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_9e529222-46cc-42eb-abb0-5f79b0bafc13.jpg?v=1764420244"},{"product_id":"size-1-4-20-x-1-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 1\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 1\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275538370622,"sku":"6-FMPF-25C100","price":0.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_71dcf2ca-265d-4753-948b-2d87da82023b.jpg?v=1764420248"},{"product_id":"size-1-4-20-x-1-1-4-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 1-1\/4\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 1-1\/4\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275538403390,"sku":"6-FMPF-25C125","price":0.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_9b961243-8906-49c1-9dce-406ef0cd7f4f.jpg?v=1764420249"},{"product_id":"size-1-4-20-x-1-1-2-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 1-1\/2\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 1-1\/2\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275538436158,"sku":"6-FMPF-25C150","price":0.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_76a91350-5033-48ad-83f1-4613ca3f555d.jpg?v=1764420249"},{"product_id":"size-1-4-20-x-1-3-4-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 1-3\/4\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 1-3\/4\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275538468926,"sku":"6-FMPF-25C175","price":0.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_17025b3d-c278-4053-98f6-a4fe8cc1b5eb.jpg?v=1764420253"},{"product_id":"size-1-4-20-x-2-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 2\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 2\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275538501694,"sku":"6-FMPF-25C200","price":0.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_e7054727-516d-4bbe-aeb8-f5bac635dda3.jpg?v=1764420254"},{"product_id":"size-1-4-20-x-2-1-2-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 2-1\/2\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 2-1\/2\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275538534462,"sku":"6-FMPF-25C250","price":0.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_2733b974-395b-4899-a7ee-5208363da434.jpg?v=1764420254"},{"product_id":"size-1-4-20-x-3-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 3\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 3\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275538567230,"sku":"6-FMPF-25C300","price":0.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_702862e7-81d7-42ff-b1e7-3fa4d3d5f682.jpg?v=1764420255"},{"product_id":"size-1-4-20-x-3-1-2-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 3-1\/2\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 3-1\/2\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275559211070,"sku":"6-FMPF-25C350","price":0.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_1c25a738-7bf7-47e3-a110-534437d3f28c.jpg?v=1764421045"},{"product_id":"size-1-4-20-x-4-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 4\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 4\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275559309374,"sku":"6-FMPF-25C400","price":1.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_7970cde2-2d49-4440-b5f2-37d9e2eb2316.jpg?v=1764421050"},{"product_id":"size-1-4-20-x-1-2-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 1\/2\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 1\/2\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\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":42275560030270,"sku":"6-FMPF-25C050","price":0.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/6193\/4142\/files\/stainless_20phillips_20flat_20machine_20screw-500x500_8f18fa1f-5e62-4691-8971-41d47edea43f.jpg?v=1764421073"},{"product_id":"size-1-4-20-x-5-type-316-stainless-steel-phillips-drive-flat-head-machine-screws","title":"Machine Screw Phillips Drive Flat Head 1\/4-20 x 5\" Type 316 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\/Screws_MS_20Flat_20Head_20Screw.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 = 1\/4-20\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA = .25\" (Screw Diameter)\u003cbr\u003eL = 5\" (Length)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eD = .477\" (Head Diameter)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eH =.153\" (Head Height)\u003cbr\u003eCountersink = 82°\u003cbr\u003ePhillips Drive = #3 \u003cbr\u003eDrill Size = #7\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Marine Bolt Supply","offers":[{"title":"Default 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