{"product_id":"stainless-steel-knurled-thumb-screws-m3-m4-m5-flat-head-din653","title":"5pcs Stainless Steel Knurled Thumb Screws M3 M4 M5 Flat Head","description":"\n\u003ch2\u003e5-Pack Stainless Steel Knurled Thumb Screws — M3, M4 \u0026amp; M5 Flat Head\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY projects, electronics builds, and metalworking setups with these precision-grade \u003cstrong\u003eknurled thumb screws\u003c\/strong\u003e. Compliant with DIN 653 \/ GB 835 standards, these hand-tighten screws let you secure panels, enclosures, and computer cases quickly — no tools required. The flat knurled head provides an ergonomic grip for fast, reliable hand-tightening in even confined spaces.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium 304 stainless steel — corrosion-resistant and long-lasting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 653 \/ GB 835 compliant for consistent quality\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSizes Available:\u003c\/strong\u003e M3, M4, and M5 in lengths 6 \/ 8 \/ 10 \/ 12 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Style:\u003c\/strong\u003e Flat with fine knurling for a secure, slip-free finger grip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Style:\u003c\/strong\u003e Tool-free hand tightening — ideal for frequent adjustments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE certified\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e Set of 5 pieces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Custom sizes and quantities available on request\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eComputer cases and server rack panels\u003c\/li\u003e\n  \u003cli\u003eElectronic enclosures and DIY metalworking projects\u003c\/li\u003e\n  \u003cli\u003eMachinery guards, fixtures, and jigs\u003c\/li\u003e\n  \u003cli\u003eHobbyist builds, 3D printer frames, and robotics\u003c\/li\u003e\n  \u003cli\u003eAny application requiring frequent, tool-free assembly and disassembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eDIN 653 \/ GB 835\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eM3, M4, M5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eAvailable Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e6 mm, 8 mm, 10 mm, 12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eHead Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eFlat Knurled\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eScrew Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eMachine Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e5 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread sizes do these knurled thumb screws come in?\u003c\/h4\u003e\n\u003cp\u003eA: These stainless steel knurled thumb screws are available in M3, M4, and M5 thread sizes, with lengths of 6 mm, 8 mm, 10 mm, and 12 mm — covering a wide range of common DIY and metalworking applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any tools to tighten or remove these thumb screws?\u003c\/h4\u003e\n\u003cp\u003eA: No tools are required. The flat knurled head is specifically designed for comfortable hand-tightening and quick removal with your fingers, making them perfect for panels, enclosures, and computer cases that need frequent access.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these thumb screws suitable for outdoor or high-moisture environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Made from 304 stainless steel, these knurled thumb screws offer excellent corrosion resistance, making them suitable for both indoor and moderately humid or outdoor environments where rust resistance is important.\u003c\/p\u003e\n\u003ch4\u003eQ: Are custom sizes or bulk quantities available?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, these screws are customizable. If you need a specific size, length, or larger quantity, please reach out to us and we'll be happy to accommodate your requirements.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread sizes do these knurled thumb screws come in?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These stainless steel knurled thumb screws are available in M3, M4, and M5 thread sizes, with lengths of 6 mm, 8 mm, 10 mm, and 12 mm — covering a wide range of common DIY and metalworking applications.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need any tools to tighten or remove these thumb screws?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No tools are required. 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