{"product_id":"m3-0-5-black-zinc-plated-steel-semi-flanged-knurled-head-thumb-nut","title":"M3-0.5 Black Zinc Plated Steel Semi-Flanged Knurled-Head Thumb Nut","description":"\u003cp\u003e\u003cstrong\u003eTool-free M3 fastening in a compact black zinc finish.\u003c\/strong\u003e This semi-flanged knurled-head thumb nut fits \u003cstrong\u003eM3 x 0.50 mm\u003c\/strong\u003e metric threads and has an \u003cstrong\u003e8 mm head diameter\u003c\/strong\u003e for hand-tightened printer hardware, panels, brackets, and adjustment points.\u003c\/p\u003e\n\u003ch3\u003eWhy use this over a standard hex nut?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnurled head:\u003c\/strong\u003e easier to grip by hand than a small M3 hex nut, especially in tight printer frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSemi-flanged shoulder:\u003c\/strong\u003e spreads pressure over more surface area and helps cover slightly oversized or irregular holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack zinc-plated steel:\u003c\/strong\u003e blends with black printer hardware while adding general-purpose corrosion resistance for indoor builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M3 x 0.50 mm, right-hand metric coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead diameter:\u003c\/strong\u003e 8 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e semi-flanged knurled-head thumb nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial \/ finish:\u003c\/strong\u003e steel, black zinc plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive:\u003c\/strong\u003e hand-tightened; no hex key or wrench required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePrinter use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUseful for removable panels, covers, jigs, brackets, and other M3 hardware points that need frequent hand adjustment.\u003c\/li\u003e\n\u003cli\u003eFor a similar M3 nut in stainless, see the \u003ca href=\"https:\/\/dfh.fm\/products\/m3-0-5-a2-18-8-stainless-steel-semi-flanged-knurled-head-thumb-nut\"\u003eM3-0.5 A2 \/ 18-8 stainless semi-flanged thumb nut\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eFor larger M4 hardware, see the \u003ca href=\"https:\/\/dfh.fm\/products\/m4-0-70-zinc-plated-steel-semi-flanged-knurled-head-thumb-nut\"\u003eM4-0.70 zinc-plated semi-flanged thumb nut\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is a thumb nut, not a wing nut or a threaded knob.\u003c\/li\u003e\n\u003cli\u003eMatch it with M3 x 0.50 screws only; it will not fit M4 or imperial threads.\u003c\/li\u003e\n\u003cli\u003eBlack zinc is a general indoor hardware finish, not a stainless substitute for wet or chemical exposure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":44399664234718,"sku":null,"price":1.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/IMG_5279.png?v=1697008257","url":"https:\/\/formosissima.myshopify.com\/products\/m3-0-5-black-zinc-plated-steel-semi-flanged-knurled-head-thumb-nut","provider":"dfh.fm","version":"1.0","type":"link"}