{"product_id":"m1-6-m4-six-lobe-torx-pan-head-screw-gb2672-grade-8-8-black-steel","title":"M1.6–M4 Six-Lobe Torx Pan Head Screw GB2672 Grade 8.8 Black Steel | 3–12mm | 10PCS","description":"\u003ch2\u003eM1.6–M4 Six-Lobe Torx Pan Head Screw — GB2672 Grade 8.8 Black Carbon Steel\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eSix-lobe Torx (T-drive) pan head screws\u003c\/strong\u003e in the M1.6 to M4 size range, manufactured to \u003cstrong\u003eGB2672\u003c\/strong\u003e standard in grade 8.8 black carbon steel. The six-lobe drive geometry delivers significantly higher torque transfer than Phillips or slotted drives at the same screw size — eliminating cam-out, reducing driver wear, and enabling reliable fastening in tight spaces where a Phillips driver would slip and strip. The black oxide finish provides corrosion resistance and a clean, professional appearance in visible assemblies.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Six-Lobe (Torx) Over Phillips?\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eSix-Lobe Torx\u003c\/th\u003e\n\u003cth\u003ePhillips\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCam-out resistance\u003c\/td\u003e\n\u003ctd\u003eExcellent — zero cam-out by design\u003c\/td\u003e\n\u003ctd\u003ePoor — designed to cam-out\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTorque transfer\u003c\/td\u003e\n\u003ctd\u003eVery high — 6 contact lobes\u003c\/td\u003e\n\u003ctd\u003eModerate — 4 contact points\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDriver wear\u003c\/td\u003e\n\u003ctd\u003eMinimal\u003c\/td\u003e\n\u003ctd\u003eHigh (especially at small sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTamper resistance\u003c\/td\u003e\n\u003ctd\u003eModerate (requires Torx bit)\u003c\/td\u003e\n\u003ctd\u003eLow (universal driver)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eIdeal for\u003c\/td\u003e\n\u003ctd\u003eElectronics, precision assemblies, high-torque applications\u003c\/td\u003e\n\u003ctd\u003eGeneral woodworking, construction\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGB2672\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrade 8.8 Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack oxide (black)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSix-Lobe (Torx \/ T-drive)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePan (round button) head\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetric machine thread\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10PCS per pack (5PCS for M4)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSize \u0026amp; Thread Pitch Reference\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003eThread Pitch\u003c\/th\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eM1.6\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6mm\u003c\/td\u003e\n\u003ctd\u003e0.35mm\u003c\/td\u003e\n\u003ctd\u003e3 \/ 4 \/ 5 \/ 6 \/ 8 \/ 10 \/ 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eM2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0mm\u003c\/td\u003e\n\u003ctd\u003e0.40mm\u003c\/td\u003e\n\u003ctd\u003e3 \/ 4 \/ 5 \/ 6 \/ 8 \/ 10 \/ 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eM2.5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5mm\u003c\/td\u003e\n\u003ctd\u003e0.45mm\u003c\/td\u003e\n\u003ctd\u003e3 \/ 4 \/ 5 \/ 6 \/ 8 \/ 10 \/ 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eM4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0mm\u003c\/td\u003e\n\u003ctd\u003e0.70mm\u003c\/td\u003e\n\u003ctd\u003e3 \/ 4 \/ 5 \/ 6 \/ 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eZero cam-out\u003c\/strong\u003e — six-lobe geometry keeps the driver engaged under high torque, preventing head stripping\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eGrade 8.8 strength\u003c\/strong\u003e — high tensile strength for reliable clamping in metal and hard plastic assemblies\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eBlack oxide finish\u003c\/strong\u003e — corrosion resistance + clean black aesthetic for visible electronics builds\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eGB2672 standard\u003c\/strong\u003e — consistent dimensional tolerances for reliable fit in tapped holes\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eM1.6–M4 range\u003c\/strong\u003e — covers the most common sizes for electronics enclosures, PCB mounting, and precision assemblies\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePan head profile\u003c\/strong\u003e — wide bearing surface distributes clamping load, ideal for thin panels and PCBs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics enclosure and project box assembly\u003c\/li\u003e\n  \u003cli\u003ePCB mounting and standoff fastening\u003c\/li\u003e\n  \u003cli\u003e3D printer frame and component assembly\u003c\/li\u003e\n  \u003cli\u003eLaptop, tablet, and consumer electronics repair\u003c\/li\u003e\n  \u003cli\u003eDrone and RC vehicle frame assembly\u003c\/li\u003e\n  \u003cli\u003eOptical instrument and camera equipment fastening\u003c\/li\u003e\n  \u003cli\u003ePrecision mechanical assembly requiring high torque without cam-out\u003c\/li\u003e\n  \u003cli\u003eAutomotive interior trim and electronics bracket mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTorx Bit Size Reference\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eScrew Size\u003c\/th\u003e\n\u003cth\u003eTorx Bit\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM1.6\u003c\/td\u003e\n\u003ctd\u003eT5 or T6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eT6 or T7\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003eT8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eT20\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these machine screws or self-tapping?\u003c\/strong\u003e\u003cbr\u003eA: These are \u003cstrong\u003emachine screws\u003c\/strong\u003e with metric thread. They require a pre-tapped hole or a threaded insert (e.g., brass heat-set nut) to fasten into. They are not self-tapping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What Torx bit do I need?\u003c\/strong\u003e\u003cbr\u003eA: See the Torx Bit Size Reference table above. T6 covers M1.6–M2, T8 covers M2.5, and T20 covers M4.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these in aluminium?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Grade 8.8 carbon steel screws are commonly used in aluminium tapped holes. Apply a small amount of anti-seize compound to prevent galvanic corrosion in long-term installations.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10× (or 5× for M4) Six-Lobe Torx Pan Head Screws (size and length as selected)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"M1.6 10pcs \/ 5mm","offer_id":46885139841259,"sku":"380:201336457#5mm;5:202191809#M1.6 50pcs","price":3.38,"currency_code":"USD","in_stock":true},{"title":"M1.6 10pcs \/ 6mm","offer_id":46885139874027,"sku":"380:201336458#6mm;5:202191809#M1.6 50pcs","price":8.6,"currency_code":"USD","in_stock":true},{"title":"M1.6 10pcs \/ 3mm","offer_id":46885139906795,"sku":"380:201442015#3mm;5:202191809#M1.6 50pcs","price":3.52,"currency_code":"USD","in_stock":true},{"title":"M1.6 10pcs \/ 4mm","offer_id":46885139939563,"sku":"380:201336456#4mm;5:202191809#M1.6 50pcs","price":3.52,"currency_code":"USD","in_stock":true},{"title":"M2.5 10pcs \/ 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