Halder Knurled Nuts & Thumb Screws | DIN Standards | Flat & Collar Designs

Halder knurled nuts and knurled thumb screws are hand-operated fastening components designed for quick, tool-free tightening and adjustment in fixtures, jigs, machine guards, and industrial assemblies. Their textured knurled surfaces provide a secure, comfortable grip, making them ideal for applications requiring frequent adjustments, changeovers, or easy access to components.