10Pcs M4 X 15Mm Knurled Thumb Screws Set Black Galvanized Iron Clamping Knobs Screw On Type Grip For CNC Machines Jigs And DIY Benchtop Projects Replacement Hardware

10-Pack M4 x 15mm knurled thumb screws, black zinc
✔️ 10 pieces M4 x 15mm knurled thumb screws, 14mm head, 15mm thread

These knurled thumbscrews are made from iron with a durable black galvanized coating, offering rust resistance and long service life. Ideal for CNC setups, jigs, fixtures, and DIY benchtop projects, they grip securely by hand without tools.

✅ Material: Iron with black galvanize coating
✅ Thread: M4, 15 mm length; knob diameter 14 mm
✅ Package: 10 pieces in the set
✅ Hand grip: knurled knob for easy hand tightening

💡 What is the best way to use M4 x 15mm knurled thumb screws in CNC and DIY setups? Handy clamps let you fasten workpieces quickly without tools. - handy for securing fixtures on CNC tables and jigs - galvanized finish resists rust in shop environments - knurled grip simplifies hand tightening - compatible with standard M4 threaded holes in blocks and fixtures