{"product_id":"stainless-steel-knife-handle-lock-screws-m3-5-m4-folding-knife-diy-pivot-rivets","title":"M3.5\/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY","description":"\u003ch2\u003eSwayboo Stainless Steel Knife Handle Lock Screws – 10 Sets\u003c\/h2\u003e\n\u003cp\u003eBuild or restore folding knives with confidence using these precision-machined stainless steel lock screws from Swayboo. Whether you're a seasoned knife maker or a DIY enthusiast, these handle pivot screws provide a secure, clean fit for folding knife handles — keeping your blade assembly tight and reliable for the long haul.\u003c\/p\u003e\n\n\u003cp\u003eEach set includes \u003cstrong\u003e2 unilateral countersunk screws + 1 connecting rod\u003c\/strong\u003e, giving you everything needed to assemble a single pivot point. With \u003cstrong\u003e10 sets per pack\u003c\/strong\u003e, you'll have plenty of hardware for multiple builds or repairs.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in multiple sizes to suit knife handle hole diameters of \u003cstrong\u003e5mm\u003c\/strong\u003e and \u003cstrong\u003e6mm\u003c\/strong\u003e, with full lengths ranging from 12mm to 43mm (tightened both sides) — so you can choose exactly the right fit for your project.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality stainless steel — corrosion-resistant and durable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread options:\u003c\/strong\u003e M3.5 and M4 threading available across size variants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStem diameter:\u003c\/strong\u003e 5mm or 6mm to suit your handle hole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountersunk head thickness:\u003c\/strong\u003e 1.5mm for a flush, clean finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide size range:\u003c\/strong\u003e 10 size options per hole diameter (12mm – 43mm full length)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 10 complete sets (20 unilateral screws + 10 connecting rods)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo high-concern chemicals\u003c\/strong\u003e — safe for everyday DIY use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Size Reference Chart\u003c\/h3\u003e\n\u003ch4\u003eFor 5mm Handle Hole Diameter\u003c\/h4\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:13px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eNo.\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eFull Length\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eStem Length\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eStem Dia.\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eNut Dia.\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eThread\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:5px;\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e17mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e14mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e10mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e19mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e16mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e10mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e20mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e17mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e23mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e20mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e12mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e9mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e15mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e12mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e28mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e33mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e30mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e9\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e38mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e35mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e43mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e40mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eFor 6mm Handle Hole Diameter\u003c\/h4\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:13px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eNo.\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eFull Length\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eStem Length\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eStem Dia.\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eNut Dia.\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:6px;\"\u003eThread\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:5px;\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e17mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e14mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e19mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e16mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e20mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e17mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e23mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e20mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e12mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e9mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e15mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e12mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e28mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e25mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e33mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e30mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e9\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e38mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e35mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e43mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e40mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e6mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003e7mm\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:5px;\"\u003eM3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × complete screw sets\u003c\/li\u003e\n  \u003cli\u003eEach set: 2 × unilateral countersunk screws + 1 × connecting rod\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eExplore more DIY and crafting tools 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-tamping-kit-woodgrain-3-piece-set-with-distributor-fits-51-58mm-portafilters\"\u003eBincoo Coffee Tamping Kit, Woodgrain 3-Piece Set with Distributor\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread sizes are available for these knife handle lock screws?\u003c\/h4\u003e\n\u003cp\u003eA: These stainless steel knife handle screws are available in M3.5 and M4 thread sizes, depending on which size variant you select. Most sizes use M3.5 threading, while NO1 and NO2 in the 5mm hole diameter range use M4 threading.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many screws are included in each pack of these folding knife pivot screws?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack contains 10 complete sets. Every set includes 2 unilateral countersunk screws and 1 connecting rod, giving you a total of 20 screws and 10 rods — enough to outfit multiple DIY knife builds or handle repairs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these knife handle rivets suitable for both 5mm and 6mm handle hole diameters?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — these stainless steel spindle axis screws are available for both 5mm and 6mm handle hole diameters. Each hole diameter option comes in 10 different full lengths (from 12mm up to 43mm when tightened both sides), so you can choose the exact fit for your specific knife handle thickness.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material are these folding knife handle screws made from?\u003c\/h4\u003e\n\u003cp\u003eA: These pivot screws and connecting rods are made entirely from stainless steel, making them corrosion-resistant and durable for long-lasting use in knife making and DIY handle assembly projects. No high-concern chemicals are present in the materials.\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 are available for these knife handle lock screws?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These stainless steel knife handle screws are available in M3.5 and M4 thread sizes, depending on which size variant you select. Most sizes use M3.5 threading, while NO1 and NO2 in the 5mm hole diameter range use M4 threading.\"}}, {\"@type\": \"Question\", \"name\": \"How many screws are included in each pack of these folding knife pivot screws?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each pack contains 10 complete sets. 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