Thumbscrew knob, matt finish thermoplastic
Female, brass insert

501

Code A B Thread
501 15 16 M4 M5 M6
502 20 22 M5 M6
503 25 33 M6 M8
Male, plated steel stud

501 Male

Code A B Thread Male thread
length
501/M 14 16 M4 M5 M6 10
502/M 20 22 M5 M6 15
503/M 25 33 M6 M8 25
504/M 30 38 M6 M8 M10 25
All dimensions are in mm and are approximate.
These knobs are also available with imperial threads (UNC, UNF, BSW and BA). Non-standard thread diameters, lengths, insert materials (including stainless steel) and other modifications are available for minimum quantities.
The standard colour is black.
Contact our sales department for details or a free sample.