{"product_id":"12-9-us-cylindrical-end-fine-tooth-tightening-imperial-headless-convex-end-spherical-machine-rice-8-unc10-1-4unf","title":"8 # UNC 10# 1\/4 UNF Grade 12.9 Imperial Set Screw Fine Thread Cylindrical\/Spherical End","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);'\u003eGrade 12.9 high-strength headless set screws are engineered for precision industrial applications, featuring imperial UNC\/UNF fine threads and dual end options (cylindrical and spherical\/convex). Available in key sizes 8#, 10#, and 1\/4, these screws deliver exceptional tensile strength (≥1200MPa) and torque resistance, making them ideal for securing machine components, shafts, and precision parts that demand tight, vibration-resistant fastening.\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\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);'\u003eCrafted from heat-treated alloy steel, the 12.9-grade construction ensures superior durability and wear resistance, suitable for heavy-duty machinery and high-stress assemblies. The UNC\/UNF fine thread design provides tight, stable engagement with imperial components, while the headless structure allows for a low-profile, flush installation that avoids interference with rotating or moving parts. The cylindrical and spherical ends offer versatile contact options—cylindrical for precise positioning, spherical for enhanced load distribution and adaptability to uneven surfaces.\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; Advantages\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);'\u003e12.9 Grade Ultra-High Strength\u003c\/strong\u003e: Heat-treated alloy steel delivers exceptional tensile strength and torque resistance, ideal for heavy-duty industrial fastening.\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);'\u003eUNC\/UNF Fine Threads\u003c\/strong\u003e: Imperial fine threads ensure tight engagement, vibration resistance, and compatibility with standard US\/imperial components.\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 End Options\u003c\/strong\u003e: Cylindrical end for precise positioning; spherical\/convex end for flexible load distribution and uneven surface adaptation.\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);'\u003eHeadless Low-Profile Design\u003c\/strong\u003e: Enables flush installation, preventing interference with rotating machinery and moving parts.\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);'\u003eVersatile Imperial Sizes\u003c\/strong\u003e: Available in 8#, 10#, and 1\/4 to fit diverse industrial component specifications.\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: Heat-Treated 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);'\u003eStrength Grade: Grade 12.9 (Tensile Strength ≥1200MPa)\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 Type: UNC (American Coarse Thread), UNF (American Fine Thread) – Fine Thread Focus\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);'\u003eSizes: 8#, 10#, 1\/4 (Imperial)\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);'\u003eEnd Type: Cylindrical End, Spherical\/Convex End\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: Headless (Set Screw)\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: Machinery Components, Shafts, Precision Parts, Heavy-Duty Industrial Assemblies\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: Natural Alloy Steel (Industrial-Grade Wear \u0026amp; Corrosion Resistance)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Vichok Hardware","offers":[{"title":"8 #-32 * 1\/4 (50pcs) convex end","offer_id":46606338850993,"sku":"SCR00079-8#-32x1\/4(50pcs)convexend","price":5.92,"currency_code":"USD","in_stock":true},{"title":"10 #-32 * 1\/2 (50pcs) convex end","offer_id":46606338883761,"sku":"SCR00079-10#-32x1\/2(50pcs)convexend","price":6.1,"currency_code":"USD","in_stock":true},{"title":"1\/4-20 * 1\/2 (50pcs) convex end","offer_id":46606338916529,"sku":"SCR00079-1\/4-20x1\/2(50pcs)convexend","price":6.8,"currency_code":"USD","in_stock":true},{"title":"1\/4-20 * 5\/8 (50pcs) convex end","offer_id":46606338949297,"sku":"SCR00079-1\/4-20x5\/8(50pcs)convexend","price":6.96,"currency_code":"USD","in_stock":true},{"title":"1\/4-28 * 1-1\/2 (10pcs) spherical surface","offer_id":46606338982065,"sku":"SCR00079-1\/4-28x1-1\/2(10pcs)sphericalsurface","price":3.26,"currency_code":"USD","in_stock":true},{"title":"3\/4-16 * 60 (2pcs) convex end","offer_id":46606339014833,"sku":"SCR00079-3\/4-16x60(2pcs)convexend","price":7.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/7466\/1297\/files\/932bc1551a23319e2f4d01e4d742c178.jpg?v=1769155539","url":"https:\/\/vichokhardware.com\/products\/12-9-us-cylindrical-end-fine-tooth-tightening-imperial-headless-convex-end-spherical-machine-rice-8-unc10-1-4unf","provider":"Vichok Hardware","version":"1.0","type":"link"}