{"product_id":"m2-5-grade-12-9-cr-mo-alloy-steel-hex-socket-countersunk-flat-head-screws-1pcs-副本","title":"M2.5 Grade 12.9 Cr-Mo Alloy Steel Hex Socket Countersunk Flat Head Screws (1Pcs)","description":"\u003ch2 data-end=\"88\" data-start=\"62\"\u003e\u003cstrong data-end=\"88\" data-start=\"65\"\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"330\" data-start=\"90\"\u003eSPEEDBULL premium high-strength screws are manufactured in Taiwan using \u003cstrong data-end=\"214\" data-start=\"162\"\u003eGrade 12.9 chrome molybdenum (Cr-Mo) alloy steel\u003c\/strong\u003e and produced through a \u003cstrong data-end=\"291\" data-start=\"238\"\u003ecold-forging process (not CNC-machined or turned)\u003c\/strong\u003e, followed by precision heat treatment.\u003c\/p\u003e\n\u003cp data-end=\"633\" data-start=\"332\"\u003eThe forged construction preserves optimal grain flow within the material, resulting in superior structural integrity, higher tensile strength, and improved fatigue and impact resistance compared to CNC-machined screws. This makes them especially suitable for high-load and high-vibration applications.\u003c\/p\u003e\n\u003cp data-end=\"979\" data-start=\"635\"\u003eFeaturing a \u003cstrong data-end=\"667\" data-start=\"647\"\u003ehex socket drive\u003c\/strong\u003e and a \u003cstrong data-end=\"709\" data-start=\"674\"\u003e90-degree countersunk flat head\u003c\/strong\u003e, these screws ensure precise seating, flush surface mounting, and secure fastening performance. Designed for demanding environments, they are ideal for RC racing, motorsport components, and precision mechanical assemblies where reliability and consistency are critical.\u003c\/p\u003e\n\u003chr data-end=\"984\" data-start=\"981\"\u003e\n\u003ch2 data-end=\"1005\" data-start=\"986\"\u003e\u003cstrong data-end=\"1005\" data-start=\"989\"\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1039\" data-start=\"1009\"\u003eGrade 12.9 Cr-Mo alloy steel\u003c\/p\u003e\n\u003cp data-end=\"1091\" data-start=\"1042\"\u003e\u003cstrong data-end=\"1089\" data-start=\"1042\"\u003eCold-forged construction (not CNC machined)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1152\" data-start=\"1094\"\u003eSuperior grain flow for enhanced strength and durability\u003c\/p\u003e\n\u003cp data-end=\"1193\" data-start=\"1155\"\u003e\u003cstrong data-end=\"1191\" data-start=\"1155\"\u003e90° countersunk flat head design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1244\" data-start=\"1196\"\u003eHex socket drive for secure torque application\u003c\/p\u003e\n\u003cp data-end=\"1296\" data-start=\"1247\"\u003eeat-treated for maximum mechanical performance\u003c\/p\u003e\n\u003cp data-end=\"1345\" data-start=\"1299\"\u003eade in Taiwan – SPEEDBULL quality selection\u003c\/p\u003e\n\u003chr data-end=\"1350\" data-start=\"1347\"\u003e\n\u003ch2 data-end=\"1373\" data-start=\"1352\"\u003e\u003cstrong data-end=\"1373\" data-start=\"1355\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1391\" data-start=\"1377\"\u003eSize: M2.5 × L\u003c\/p\u003e\n\u003cp data-end=\"1443\" data-start=\"1394\"\u003eMaterial: Chrome Molybdenum Alloy Steel (Cr-Mo)\u003c\/p\u003e\n\u003cp data-end=\"1474\" data-start=\"1446\"\u003eStrength Class: Grade 12.9\u003c\/p\u003e\n\u003cp data-end=\"1513\" data-start=\"1477\"\u003eManufacturing Process: Cold Forged\u003c\/p\u003e\n\u003cp data-end=\"1540\" data-start=\"1516\"\u003eDrive Type: Hex Socket\u003c\/p\u003e\n\u003cp data-end=\"1577\" data-start=\"1543\"\u003eHead Type: Countersunk Flat Head\u003c\/p\u003e\n\u003cp data-end=\"1604\" data-start=\"1580\"\u003eCountersink Angle: 90°\u003c\/p\u003e\n\u003cp data-end=\"1639\" data-start=\"1607\"\u003eStandard: DIN 7991 \/ ISO 10642\u003c\/p\u003e\n\u003cp data-end=\"1685\" data-start=\"1642\"\u003eSurface Finish: Black Oxide \u003c\/p\u003e","brand":"SPEEDBULL","offers":[{"title":"M2.5*3","offer_id":45596534538380,"sku":"SS025030","price":0.13,"currency_code":"USD","in_stock":true},{"title":"M2.5*4","offer_id":45596534571148,"sku":"SS025040","price":0.13,"currency_code":"USD","in_stock":true},{"title":"M2.5*5","offer_id":45596534603916,"sku":"SS025050","price":0.13,"currency_code":"USD","in_stock":true},{"title":"M2.5*6","offer_id":45596326101132,"sku":"SS025060","price":0.13,"currency_code":"USD","in_stock":true},{"title":"M2.5*8","offer_id":45596326133900,"sku":"SS025080","price":0.13,"currency_code":"USD","in_stock":true},{"title":"M2.5*10","offer_id":45596326166668,"sku":"SS025100","price":0.13,"currency_code":"USD","in_stock":true},{"title":"M2.5*12","offer_id":45596326199436,"sku":"SS025120","price":0.14,"currency_code":"USD","in_stock":true},{"title":"M2.5*14","offer_id":45596326232204,"sku":"SS025140","price":0.14,"currency_code":"USD","in_stock":true},{"title":"M2.5*16","offer_id":45596326264972,"sku":"SS025160","price":0.14,"currency_code":"USD","in_stock":true},{"title":"M2.5*18","offer_id":45596326297740,"sku":"SS025180","price":0.14,"currency_code":"USD","in_stock":true},{"title":"M2.5*20","offer_id":45596326330508,"sku":"SS025200","price":0.14,"currency_code":"USD","in_stock":true},{"title":"M2.5*22","offer_id":45596326363276,"sku":"SS025220","price":0.15,"currency_code":"USD","in_stock":true},{"title":"M2.5*25","offer_id":45596326396044,"sku":"SS025250","price":0.15,"currency_code":"USD","in_stock":true},{"title":"M2.5*30","offer_id":45596326494348,"sku":"SS025300","price":0.13,"currency_code":"USD","in_stock":true},{"title":"M2.5*35","offer_id":45596534636684,"sku":"SS025350","price":0.13,"currency_code":"USD","in_stock":false},{"title":"M2.5*40","offer_id":45596534669452,"sku":"SS025400","price":0.13,"currency_code":"USD","in_stock":false},{"title":"M2.5*45","offer_id":45596534702220,"sku":"SS025450","price":0.13,"currency_code":"USD","in_stock":false},{"title":"M2.5*50","offer_id":45596534734988,"sku":"SS025500","price":0.13,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/2363\/3292\/files\/357.png?v=1767550331","url":"https:\/\/speedbull.net\/products\/m2-5-grade-12-9-cr-mo-alloy-steel-hex-socket-countersunk-flat-head-screws-1pcs-%e5%89%af%e6%9c%ac","provider":"SPEEDBULL Rc","version":"1.0","type":"link"}