771651产品概述
Knurled (Self Assembly) Thumb Screw Knobs
Black Gloss Delrin acetal resin thumb screw knob caps which can be assembled into complete threaded knobs by inserting a socket head cap screw (not supplied) into the base of the cap.,Join by pressing squarely together. To avoid over-pressure, use a stop or spacer equivalent to length of screw less depth of screw head.