{"product_id":"10-9-grade-black-5-16-18-bsw-inch-countersunk-head-hexagon-screw-3-8-16-bsw","title":"5\/16-18 BSW 3\/8-16 BSW Fastener 10.9 Grade Black Countersunk Head Hex Screw","description":"\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eEngineered for heavy-duty fastening in British imperial standard applications, our \u003cstrong style='color: rgb(31, 35, 41); font: 700 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 700; line-height: 24px; text-align: start; white-space: normal; display: inline; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e10.9 Grade Black BSW Countersunk Head Hex Screw\u003c\/strong\u003e delivers exceptional tensile strength, corrosion resistance, and flush-installation performance. Available in dual sizes (5\/16-18 \u0026amp; 3\/8-16 BSW), this black-finished hex screw adheres to strict British Standard Whitworth specifications, making it ideal for industrial machinery, construction hardware, and legacy equipment maintenance that requires reliable BSW fasteners.\u003c\/div\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e \u003c\/div\u003e\n\n\u003ch4 style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eCore Features \u0026amp; Benefits\u003c\/h4\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e \u003c\/div\u003e\n\n\u003cul style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e\n\u003cstrong style='color: rgb(31, 35, 41); font: 700 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 700; line-height: 24px; text-align: left; white-space: normal; display: inline; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e10.9 Grade High-Strength Alloy Steel\u003c\/strong\u003e: Crafted from premium 10.9 grade alloy steel, one of the highest strength ratings for industrial fasteners. It offers outstanding tensile and shear resistance, capable of withstanding heavy loads and high-stress working conditions without deformation or fatigue.\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e\n\u003cstrong style='color: rgb(31, 35, 41); font: 700 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 700; line-height: 24px; text-align: left; white-space: normal; display: inline; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eBlack Oxide Corrosion Protection\u003c\/strong\u003e: Features a durable black oxide finish that enhances wear resistance and provides a basic level of corrosion protection. The sleek black coating also improves aesthetics and reduces light reflection, suitable for applications where appearance and rust resistance are required.\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e\n\u003cstrong style='color: rgb(31, 35, 41); font: 700 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 700; line-height: 24px; text-align: left; white-space: normal; display: inline; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eDual BSW Sizes (5\/16-18 \u0026amp; 3\/8-16)\u003c\/strong\u003e: Covers two commonly used British Standard Whitworth inch thread sizes in one listing. The precise thread machining ensures seamless compatibility with BSW nuts and taps, meeting the diverse needs of industrial assembly and equipment repair.\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e\n\u003cstrong style='color: rgb(31, 35, 41); font: 700 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 700; line-height: 24px; text-align: left; white-space: normal; display: inline; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eCountersunk Head Flush Design\u003c\/strong\u003e: The countersunk head structure enables the screw to sit completely flush with the workpiece surface after installation. It eliminates protrusions, prevents interference with moving parts, and maintains a neat, streamlined finish for both functional and aesthetic purposes.\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e\n\u003cstrong style='color: rgb(31, 35, 41); font: 700 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 700; line-height: 24px; text-align: left; white-space: normal; display: inline; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eHex Drive for Secure Tightening\u003c\/strong\u003e: Equipped with a standard hex (Allen key) drive that ensures stable torque transfer during installation. It minimizes slippage and head damage, allowing for precise and efficient tightening even in narrow or confined spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e \u003c\/div\u003e\n\n\u003ch4 style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eSpecifications\u003c\/h4\u003e\n\n\u003cdiv style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e \u003c\/div\u003e\n\n\u003cul style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: start; white-space: normal; display: block; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eMaterial: 10.9 Grade High-Strength Alloy Steel\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eFinish: Black Oxide Coating\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eThread Standard: 5\/16-18 \u0026amp; 3\/8-16 BSW (British Standard Whitworth)\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eHead Type: Countersunk Head\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eDrive Type: Hex (Allen)\u003c\/li\u003e\n\t\u003cli style='color: rgb(31, 35, 41); font: 16px \/ 24px ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\"; font-size: 16px; font-weight: 400; line-height: 24px; text-align: left; white-space: normal; display: list-item; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background: rgba(0, 0, 0, 0) none repeat scroll 0% 0% \/ auto padding-box border-box; background-color: rgba(0, 0, 0, 0);'\u003eApplication: Industrial Machinery, Construction Hardware, Legacy Equipment Maintenance, BSW Standard Assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Vichok Hardware","offers":[{"title":"5\/16-18 * 1\/2 (10 pieces)","offer_id":46600313602225,"sku":"SCR00049-5\/16-18x1\/2","price":1.54,"currency_code":"USD","in_stock":true},{"title":"5\/16-18 * 5\/8 (10pcs)","offer_id":46600313634993,"sku":"SCR00049-5\/16-18x5\/8","price":1.62,"currency_code":"USD","in_stock":true},{"title":"5\/16-18 * 3\/4 (10 pieces)","offer_id":46600313667761,"sku":"SCR00049-5\/16-18x3\/4","price":1.72,"currency_code":"USD","in_stock":true},{"title":"5\/16-18 * 1 (10 pieces)","offer_id":46600313700529,"sku":"SCR00049-5\/16-18x1","price":1.96,"currency_code":"USD","in_stock":true},{"title":"5\/16-18 * 1-1\/4 (10 pieces)","offer_id":46600313733297,"sku":"SCR00049-5\/16-18x1-1\/4","price":2.62,"currency_code":"USD","in_stock":true},{"title":"5\/16-18 * 1-1\/2 (10 pieces)","offer_id":46600313766065,"sku":"SCR00049-5\/16-18x1-1\/2","price":2.96,"currency_code":"USD","in_stock":true},{"title":"5\/16-18 * 1-3\/4 (1 piece)","offer_id":46600313798833,"sku":"SCR00049-5\/16-18x1-3\/4","price":0.4,"currency_code":"USD","in_stock":true},{"title":"5\/16-18 * 2 (1 piece)","offer_id":46600313831601,"sku":"SCR00049-5\/16-18x2","price":0.44,"currency_code":"USD","in_stock":true},{"title":"5\/16-18 * 2-1\/2 (1 piece)","offer_id":46600313864369,"sku":"SCR00049-5\/16-18x2-1\/2","price":0.58,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 5\/8 (10pcs)","offer_id":46600313897137,"sku":"SCR00049-3\/8-16x5\/8","price":2.14,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 3\/4 (10 pieces)","offer_id":46600313929905,"sku":"SCR00049-3\/8-16x3\/4","price":2.36,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 1 (10 pieces)","offer_id":46600313962673,"sku":"SCR00049-3\/8-16x1","price":2.62,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 1-1\/4 (10 pieces)","offer_id":46600313995441,"sku":"SCR00049-3\/8-16x1-1\/4","price":2.96,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 1-1\/2 (1 piece)","offer_id":46600314028209,"sku":"SCR00049-3\/8-16x1-1\/2","price":0.36,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 1-3\/4 (1 piece)","offer_id":46600314060977,"sku":"SCR00049-3\/8-16x1-3\/4","price":0.46,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 2 (1 piece)","offer_id":46600314093745,"sku":"SCR00049-3\/8-16x2","price":0.58,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 2-1\/2 (1 piece)","offer_id":46600314126513,"sku":"SCR00049-3\/8-16x2-1\/2","price":0.72,"currency_code":"USD","in_stock":true},{"title":"3\/8-16 * 3 (1 piece)","offer_id":46600314159281,"sku":"SCR00049-3\/8-16x3","price":0.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/7466\/1297\/files\/e3f61af8f95f59a147ec504018df7cc9.jpg?v=1769152167","url":"https:\/\/vichokhardware.com\/products\/10-9-grade-black-5-16-18-bsw-inch-countersunk-head-hexagon-screw-3-8-16-bsw","provider":"Vichok Hardware","version":"1.0","type":"link"}