20 Pack M3 X 12mm Knurled Thumb Screws Clamping Knobs With 14mm Round Plastic Heads For Precise Adjustments, Handy Grip, Easy Tightening, Black Hand Knobs And Thumb Screws Set, Versatile For Machinery And DIY Projects

M3 Knurled Thumb Screws with 14mm Heads 20-Pack
✔️ M3 x12mm thread, 14mm round head, 23.5mm total length, 20 pcs

These knurled clamp knobs are built for quick, repeatable adjustments on machines, fixtures, and DIY projects. They’re commonly found on lathes, drill presses, woodworking gear, packaging lines, and other equipment that needs frequent tightening.

✅ Thread size M3 (0.5 mm pitch) and 12 mm thread length
✅ 14 mm round plastic head and 23.5 mm total length
✅ Zinc-plated carbon steel stud for durability
✅ Knurled surface for secure grip and easy tightening
✅ Pack of 20 pieces for multiple fixtures and setups

💡 What is a knurled thumb screw used for in typical workshop setups? These handy knobs let you lock fixtures quickly without tools. - Easy to tighten and loosen for quick part changes - Ideal for workholding on jigs, fixtures, and machinery - Helps repeatable positioning in DIY projects and installs - Reduces downtime during setup and maintenance