{"product_id":"m4-x20mm-captive-screws-with-knurled-thumb-heads-4","title":"M4 X20mm Captive Screws With Knurled Thumb Heads 4 Pack Black Aluminum Body Stainless Steel Threads Tough As Nails Panel Fasteners No Sweat Assembly Hardware For Gritty Builds And Dope Shop Upgrades","description":"\u003cdiv\u003eBlack M4 Knurled Thumb Screws 4 Pack Aluminum Body Fasteners\u003cbr\u003e\n✔️ M4 x 20mm panel screw with knurled aluminum grip and stainless core \u003cp\u003eThese captive thumbscrews lock a stainless shaft right into a black knurled aluminum head, which makes them perfect for frequent panel swaps on rack mounts, speaker boxes, and custom dash kits where grabbing a wrench wastes too much time. The sealed interface keeps dust out while letting users crank the unit with zero tools dropped on the shop floor.\u003c\/p\u003e ✅ Thread diameter measures 4.0 mm with a 5.0 mm engagement range\u003cbr\u003e\n✅ Overall length sits at 20.0 mm while the head spans 12.0 mm across\u003cbr\u003e\n✅ Aluminum thumb grip features a 9.0 mm shoulder width and 1.0 mm lift\u003cbr\u003e\n✅ Four piece set delivers corrosion stopping stainless internals for shop duty\u003cbr\u003e \u003cp\u003e💡 What makes captive thumbscrews a reliable choice for repeated equipment panel cycling?\nStandard panel fasteners tend to strip or vanish when you tear apart equipment quickly, but bolting the thread to the grip keeps your pockets clean and your rig back online faster.\n- Corrosion resistant stainless shafts bite hard into tapped chassis threads to stop spinning out\n- Knurled metal surfaces give bare hands solid leverage so drivers can crack panels handy during load outs\n- Low profile shoulders press flat against enclosure cutouts to block wire pinch hazards from stray metal bits\n- Heat treated aluminum crowns hold up to daily grime and oil splashes without corroding fast\u003cbr\u003e\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49239745822955,"sku":"VXB0DRV47Z5Q","price":56.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51PwDanh7RL.jpg?v=1786888409","url":"https:\/\/vxb.com\/products\/m4-x20mm-captive-screws-with-knurled-thumb-heads-4","provider":"VXB Bearings","version":"1.0","type":"link"}