M4 M5 M6 M8 Clamping Thumb Screw Tee Wing Knob Head Hand Grip Bolt Plastic Black
Thread Size: M4 ( Pitch 0.7mm ); M5 ( Pitch 0.8mm ); M6 ( Pitch 1.0mm ); M8 ( Pitch 1.25mm ). Head Shape: Tee Wing. Option Size = Thread Size x Thread Length. Material: Plastic Head + Grade 4.8 Carbon Steel Threaded Rod.