M4 Aluminum Alloy Knurled Thumb Screws Hand Grip Knob Bolts Thread L:8-25mm
Standard knurled round screws, uniform force is not easy to slip, easy to use. Material: Aluminium Alloy 6061. Thread Length: 8mm / 10mm / 12mm / 15mm / 25mm. High-quality materials anti-corrosion and rust resistance, neat and complete threads, even force without stripping teeth.