{"title":"Hex Head SEMS Screws","description":"\u003ch1\u003eHex Head SEMS Screws\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG hex head SEMS screws are pre-assembled fastener assemblies combining a hexagon head bolt with captivated washers — eliminating loose parts, ensuring correct washer sequence, and accelerating assembly line throughput. Available in two GB standard series across multiple materials and property classes.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eGB9074.13 — Cross Recessed Hexagon Bolt with Single Coil Lock Washer and Plain Washer Assemblies\u003c\/h2\u003e\n\n\u003cp\u003eThree-piece assembly: cross recessed (Phillips) hex bolt + plain washer (GB9074.24) + single coil spring lock washer (GB9074.26). Dual-drive design allows both screwdriver and wrench tightening. Range: M4–M10.\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/collections\/gb9074-13-a2\"\u003e\u003cstrong\u003eGB9074.13 — Stainless Steel A2 (SUS304)\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n  Material: A2 (SUS304)  ·  Finish: Bright Passivated  ·  Class: A2-70  ·  Range: M4–M10\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/collections\/gb9074-13-a4\"\u003e\u003cstrong\u003eGB9074.13 — Marine Stainless Steel A4 (SUS316)\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n  Material: A4 (SUS316)  ·  Finish: Bright Passivated  ·  Class: A4-70  ·  Range: M4–M10\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/collections\/gb9074-13-8-8\"\u003e\u003cstrong\u003eGB9074.13 — Carbon Steel, Class 8.8, Zinc Cr3\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n  Material: Medium Carbon Steel  ·  Finish: Zinc Cr3 (Trivalent)  ·  Class: 8.8  ·  Range: M4–M10\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/collections\/gb9074-13-4-8\"\u003e\u003cstrong\u003eGB9074.13 — Low Carbon Steel, Class 4.8, Zinc Cr3\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n  Material: Low Carbon Steel (A3\/Q235)  ·  Finish: Zinc Cr3 (Trivalent)  ·  Class: 4.8  ·  Range: M4–M10\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eGB9074.17 — Hexagon Bolt with Single Coil Lock Washer Assembly (Plain Hex Head, No Cross Recess)\u003c\/h2\u003e\n\n\u003cp\u003eTwo-piece assembly: plain hexagon head bolt + single coil spring lock washer (GB9074.26). Wrench-drive only. Compact head profile. Range: M4–M12.\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/collections\/636268216431\"\u003e\u003cstrong\u003eGB9074.17 — Stainless Steel A2\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n  Material: A2 (SUS304)  ·  Finish: Bright Passivated  ·  Class: A2-70  ·  Range: M4–M12\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/collections\/636268314735\"\u003e\u003cstrong\u003eGB9074.17 — Marine Stainless Steel A4\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n  Material: A4 (SUS316)  ·  Finish: Bright Passivated  ·  Class: A4-70  ·  Range: M4–M12\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003ca href=\"\/collections\/636268380271\"\u003e\u003cstrong\u003eGB9074.17 — Carbon 35K Steel, Class 8.8, Zinc Cr3\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n  Material: 35K Carbon Steel  ·  Finish: Zinc Cr3 (Trivalent)  ·  Class: 8.8  ·  Range: M4–M12\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSelection Guide\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eStandard\u003c\/th\u003e\n      \u003cth\u003eDrive Type\u003c\/th\u003e\n      \u003cth\u003eWasher Config.\u003c\/th\u003e\n      \u003cth\u003eMaterial\u003c\/th\u003e\n      \u003cth\u003eClass\u003c\/th\u003e\n      \u003cth\u003eBest For\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGB9074.13\u003c\/td\u003e\n      \u003ctd\u003ePhillips + Hex Wrench\u003c\/td\u003e\n      \u003ctd\u003ePlain + Spring Lock\u003c\/td\u003e\n      \u003ctd\u003eA2 (SUS304)\u003c\/td\u003e\n      \u003ctd\u003eA2-70\u003c\/td\u003e\n      \u003ctd\u003eGeneral corrosion resistance, indoor\/outdoor\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGB9074.13\u003c\/td\u003e\n      \u003ctd\u003ePhillips + Hex Wrench\u003c\/td\u003e\n      \u003ctd\u003ePlain + Spring Lock\u003c\/td\u003e\n      \u003ctd\u003eA4 (SUS316)\u003c\/td\u003e\n      \u003ctd\u003eA4-70\u003c\/td\u003e\n      \u003ctd\u003eMarine, chemical, food-grade environments\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGB9074.13\u003c\/td\u003e\n      \u003ctd\u003ePhillips + Hex Wrench\u003c\/td\u003e\n      \u003ctd\u003ePlain + Spring Lock\u003c\/td\u003e\n      \u003ctd\u003eCarbon Steel\u003c\/td\u003e\n      \u003ctd\u003e8.8\u003c\/td\u003e\n      \u003ctd\u003eHigh-strength structural \u0026amp; automotive joints\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGB9074.13\u003c\/td\u003e\n      \u003ctd\u003ePhillips + Hex Wrench\u003c\/td\u003e\n      \u003ctd\u003ePlain + Spring Lock\u003c\/td\u003e\n      \u003ctd\u003eLow Carbon Steel\u003c\/td\u003e\n      \u003ctd\u003e4.8\u003c\/td\u003e\n      \u003ctd\u003eLight-duty, enclosures, high-volume economy\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGB9074.17\u003c\/td\u003e\n      \u003ctd\u003eHex Wrench Only\u003c\/td\u003e\n      \u003ctd\u003eSpring Lock Only\u003c\/td\u003e\n      \u003ctd\u003eA2 (SUS304)\u003c\/td\u003e\n      \u003ctd\u003eA2-70\u003c\/td\u003e\n      \u003ctd\u003eCompact joints, corrosion-resistant environments\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGB9074.17\u003c\/td\u003e\n      \u003ctd\u003eHex Wrench Only\u003c\/td\u003e\n      \u003ctd\u003eSpring Lock Only\u003c\/td\u003e\n      \u003ctd\u003eA4 (SUS316)\u003c\/td\u003e\n      \u003ctd\u003eA4-70\u003c\/td\u003e\n      \u003ctd\u003eMarine \u0026amp; chemical environments, compact profile\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGB9074.17\u003c\/td\u003e\n      \u003ctd\u003eHex Wrench Only\u003c\/td\u003e\n      \u003ctd\u003eSpring Lock Only\u003c\/td\u003e\n      \u003ctd\u003e35K Carbon Steel\u003c\/td\u003e\n      \u003ctd\u003e8.8\u003c\/td\u003e\n      \u003ctd\u003eHigh-strength machinery, RoHS-compliant finish\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Gallery\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:8px;\"\u003e \u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:8px;\"\u003e \u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:8px;\"\u003e \u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:8px;\"\u003e \u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy FULLERKREG Hex Head SEMS Screws?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eDirect manufacturer\u003c\/strong\u003e — GB\/T 9074.13 \u0026amp; GB\/T 9074.17 produced in-house with full dimensional traceability\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eBulk wholesale supply\u003c\/strong\u003e — flexible MOQ across all grades and sizes; competitive OEM \u0026amp; MRO pricing\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eStrict quality control\u003c\/strong\u003e — 100% thread gauge inspection; washer captivation verified per standard\u003c\/li\u003e\n  \u003cli\u003e📋 \u003cstrong\u003eFull compliance documentation\u003c\/strong\u003e — mill test reports, RoHS \/ REACH certificates available on request\u003c\/li\u003e\n  \u003cli\u003e🌍 \u003cstrong\u003eGlobal export experience\u003c\/strong\u003e — export packaging and international logistics support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e FULLERKREG   |   \u003cstrong\u003eStandards:\u003c\/strong\u003e GB\/T 9074.13-1988  ·  GB\/T 9074.17   |   \u003cstrong\u003eMaterials:\u003c\/strong\u003e A2 · A4 · Steel 4.8 · Steel 8.8\u003c\/p\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/hex-head-sems-screws.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}