{"product_id":"stainless-steel-knife-handle-screws-double-locking-bolts-diy-knife-making","title":"Stainless Steel Knife Handle Screws – 10 Sets Double Locking Bolts","description":"\u003ch2\u003eSwayboo 416 Stainless Steel CNC Knife Handle Fasteners – 10 Sets\u003c\/h2\u003e\n\u003cp\u003eElevate your knife-making craft with these precision-machined \u003cstrong\u003eCNC stainless steel double locking spindle bolts\u003c\/strong\u003e. Engineered from durable \u003cstrong\u003e416 stainless steel\u003c\/strong\u003e, these fasteners deliver a rock-solid, corrosion-resistant hold for custom knife handles. Whether you're a seasoned bladesmith or a passionate DIY enthusiast, these sets give you the professional-grade hardware you need to build handles that last.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose These Knife Handle Screws?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e416 Stainless Steel Construction\u003c\/strong\u003e – Excellent corrosion resistance and long-term durability for demanding workshop environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble Locking Design\u003c\/strong\u003e – Countersunk head and threaded nut lock together from both sides, keeping your handle scales firmly secured.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC Precision Machined\u003c\/strong\u003e – Tight tolerances ensure smooth threading and a flush, polished finish every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10 Size Variants Available\u003c\/strong\u003e – From 14 mm to 45 mm full length, covering virtually any handle thickness you work with.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM4 Thread Standard\u003c\/strong\u003e – Universally compatible with most DIY knife handle builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits 5 mm \u0026amp; 6 mm Hole Diameters\u003c\/strong\u003e – Two shaft diameter options to match your drilling setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10 Sets Per Package\u003c\/strong\u003e – Enough hardware to complete multiple projects in one order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 416 Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNut Diameter (ND):\u003c\/strong\u003e 12 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountersunk Head Thickness (HD):\u003c\/strong\u003e 2.5 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft Diameter (D):\u003c\/strong\u003e 5 mm or 6 mm (select your variant)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 10 sets (pairs) of locking screws\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Size Chart (Stem Diameter 5 mm \u0026amp; 6 mm)\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eSize No.\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eFull Length (LT)\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eStem Length (L)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO1\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e19 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e21 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO3\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e22 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e25 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e14 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e17 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e30 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e35 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO9\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e40 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNO10\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e45 mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCustom knife making \u0026amp; bladesmithing\u003c\/li\u003e\n  \u003cli\u003eDIY handle scale assembly (wood, G10, Micarta, bone, etc.)\u003c\/li\u003e\n  \u003cli\u003eKnife handle restoration and repair projects\u003c\/li\u003e\n  \u003cli\u003eWorkshop hobby builds and professional knifemakers alike\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eExplore more precision tools and DIY accessories from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2-3m-car-drain-cleaning-brush-sunroof-pipe-detailing-tool\"\u003e2.3m Flexible Car Drain Cleaning Brush – Sunroof Pipe Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bincoo-coffee-beans-dose-trays-weighing-solid-wood-walnut-bean-shovel-scoops-measure-tea-separator-vessel-espresso-kitchen-tools\"\u003eBincoo Coffee Beans Dose Trays – Solid Wood Walnut Bean Shovel\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 material are these knife handle screws made from?\u003c\/h4\u003e\n\u003cp\u003eA: These fasteners are CNC machined from \u003cstrong\u003e416 stainless steel\u003c\/strong\u003e, a grade known for its excellent corrosion resistance, hardness, and machinability — making it ideal for knife-making hardware that needs to stand up to regular use and exposure.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What hole diameter do I need to drill for these bolts?\u003c\/h4\u003e\n\u003cp\u003eA: These screws are available in two shaft diameter options: \u003cstrong\u003e5 mm\u003c\/strong\u003e and \u003cstrong\u003e6 mm\u003c\/strong\u003e. Choose the variant that matches the hole diameter you plan to drill in your knife handle scales. The M4 thread runs through both options for consistent, secure fastening.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many screws and sets are included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each package includes \u003cstrong\u003e10 sets\u003c\/strong\u003e of double locking knife handle screws. Each \"set\" is a matched pair consisting of one countersunk bolt and one locking nut, giving you everything needed to fasten both sides of a handle scale securely.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which knife handle materials are compatible with these fasteners?\u003c\/h4\u003e\n\u003cp\u003eA: These stainless steel bolts work with virtually any handle material that can be drilled to a 5 mm or 6 mm diameter, including wood, G10 fiberglass, Micarta, carbon fiber, bone, antler, and synthetic composites.\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 material are these knife handle screws made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These fasteners are CNC machined from 416 stainless steel, a grade known for its excellent corrosion resistance, hardness, and machinability — making it ideal for knife-making hardware that needs to stand up to regular use and exposure.\"}}, {\"@type\": \"Question\", \"name\": \"What hole diameter do I need to drill for these bolts?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These screws are available in two shaft diameter options: 5 mm and 6 mm. 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