Knurled Thumb Screws Hand Grip Knob Bolts A1 Stainless Steel M3 M4 M5 M6 M8 M10
Knurled Thumb Screws A1 Stainless Steel DIN 464. Specs (mm) M3 M4 M5 M6. The knurled or ridged head provides a textured surface that makes it easy to grip and turn the screw by hand. Specs (mm) M8 M10.