Shearloc Knurled Knobs-black (MIN ORDER 20)
Make your own thumb screw knobs out of any socket head cap screws conforming to Series DIN 912 - Japan JIS and British Metric Series. Simply press fit (using a vise or something similiar) the knob into the cap screw and you have an instant thumb screw knob which will not pull apart.
Stock range is for metric cap screws - imperial on indent. (Other colours, sizes and shapes available on indent, including kits)
Description : M4 cap screw knob, black 13mm dia