{"product_id":"knurled-thumb-nut","title":"Knurled Thumb Nuts M3–M6 — Stainless DIN 466 \/ DIN 467","description":"\u003ch3\u003eWhy choose these Knurled Thumb Nuts\u003c\/h3\u003e\n\u003cp\u003eOur Knurled Thumb Nuts are precision-turned from stainless steel and finished with a deep diamond-pattern knurl on the outer wall, giving a firm grip for finger-tight installation and removal — no spanner or socket required. Ideal anywhere fittings need to be adjusted, removed and refitted frequently: jigs, fixtures, covers, model engineering, optical and electronic equipment, and bespoke joinery.\u003c\/p\u003e\n\u003ch3\u003eHigh type vs thin type\u003c\/h3\u003e\n\u003cp\u003eTwo profiles are offered to suit different jobs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh type (DIN 466)\u003c\/strong\u003e — a taller body that gives more thread engagement and a larger, easier-to-grip surface for higher hand torque. Use where the thumb nut is the primary fastener.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThin type (DIN 467)\u003c\/strong\u003e — a low-profile body that sits flush against the work surface. Use where space is tight, or alongside a primary nut to act as a hand-adjustable locknut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSizes available\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eM3 \/ 3mm — light fixtures, electronics enclosures and instrument panels\u003c\/li\u003e\n\u003cli\u003eM4 \/ 4mm — small fixtures, brackets and covers\u003c\/li\u003e\n\u003cli\u003eM5 \/ 5mm — adjustable jigs, model engineering and trim\u003c\/li\u003e\n\u003cli\u003eM6 \/ 6mm — general workshop and removable cover applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePack options\u003c\/h3\u003e\n\u003cp\u003eEach size and type is available as a 1-unit sample, or in packs of 2, 4 or 10. Use the variation selectors above to choose the exact combination you need.\u003c\/p\u003e\n\u003ch3\u003eTypical uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWorkshop jigs, fixtures and tooling — anywhere a hand-tight, no-tool adjustment is wanted\u003c\/li\u003e\n\u003cli\u003eEquipment covers and access panels that need to be opened regularly\u003c\/li\u003e\n\u003cli\u003eOptical, photographic and electronic equipment mounts\u003c\/li\u003e\n\u003cli\u003eModel engineering, RC modelling and bespoke joinery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to fit\u003c\/h3\u003e\n\u003cp\u003eThread the nut onto a standard metric bolt or stud and tighten by hand using the knurled outer rim. For applications where the nut may loosen under vibration, pair a high-type thumb nut with a plain washer, or use a thin-type thumb nut as a finger-adjustable locknut against a primary nut.\u003c\/p\u003e\n\u003ch3\u003eDelivery\u003c\/h3\u003e\n\u003cp\u003eSame-day dispatch on orders placed before 2pm, Monday to Friday. Free UK delivery on orders over £20. 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