Rustark 20Pcs M6 x 20mm Thumb Screws Wing Knob Bolt Black Plastic Male Thread Clamping Screw Knob for Quick Remove or Replace Hand Tightening Knob

【 Great Value Pack - 20 Pieces 】 ----- You’ll receive a pack of thumb screws in common-used sizes: M6*20mm. T-shaped handle design makes them very easy to assemble. Ideal for quick repairing or replacing other hardware for a tight installation., 【 Well-Make & Quality Material 】 ----- The wing knob bolt is made of durable plastic handle that is wear-resistant and strong enough to use for repetitive and long-term use. And the long bolts are made of premium steel with zinc-plated surface that is rust/corrosion-resistant. Burr-free surface and clean thread makes it easy to adjust, install and disassemble., 【 The Standard Size 】 ----- Each clamping screw knob has M6 metric thread with thread pitch: 1.0mm/0.03”. Bolt length: 20mm/0.78”; Perfectly sized for daily universal install projects., 【 Easy To Install 】 ----- The clamping screw knob with precise and clean bolt thread is great for quick and convenient installation; T-shaped design allows you to manually upgrade old pulls and knobs just without tools., 【 Wide Applications 】 ----- The thumb screw knob set can be used in mechanical equipment, electronic equipment, lathes, jigs and fixtures hardware, household decoration, woodworking, metal working and other related industries.