{"product_id":"twenty-count-one-quarter-twenty-thread-star-knobs","title":"Twenty Count One Quarter Twenty Thread Star Knobs Durable Nylon Thumb Screws With Solid Brass Insert Give You Lockdown Grip And Righteous Hold For Tough Jobs Or Shop Rig Makeover","description":"\u003cdiv\u003e\n\u003cp\u003ePack Of 20 1 4 20 Star Knob Thumb Screw Set\u003cbr\u003e✔️ 1 4 20 threading features 30mm dia and 6mm thickness\u003c\/p\u003e \u003cp\u003eThis pack of 20 thumb screws are built for tight shops where you need quick hand adjustments without digging through your toolbox. You slide them onto standard 1 4 20 rods or bolts for clamping work on router tables, saw fences, and drill press setups. The through hole layout lets the bolt poke out the back so you never run out of travel when lining up jigs. ABS plastic stays tough against shop grease while the embedded brass nut bites down hard on every turn.\u003c\/p\u003e ✅ Material blends tough ABS plastic with a solid brass core insert\u003cbr\u003e\n✅ Outer span comes in at 30mm (1 18in) diameter across the star grip\u003cbr\u003e\n✅ Wall thickness measures 6mm (0 23in) thick for finger control\u003cbr\u003e\n✅ Clear center bore runs 5 5mm (0 21in) wide for smooth bolt passage\u003cbr\u003e\n✅ Finish stays matte black to hide workshop scuffs nicely\u003cbr\u003e \u003cp\u003e💡 why are star pattern clamping knobs handy for custom jig construction?\u003c\/p\u003e\nYou toss these onto any standard 1 4 20 rod for instant clamp force that holds rock steady without hunting for wrenches.\n- Hollow center shaft accepts extended bolts so you gain critical adjustment reach\n- Embedded brass insert threads grip firmly into soft alloys without stripping\n- Radial star lobes distribute hand pressure evenly to prevent thumb fatigue\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49240951455979,"sku":"VXB0H3L1TGZZ","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/718EZe9lSyL.jpg?v=1786915648","url":"https:\/\/vxb.com\/products\/twenty-count-one-quarter-twenty-thread-star-knobs","provider":"VXB Bearings","version":"1.0","type":"link"}