without friction ring
Bezugsflansche GN 723.3 are used in connection with knobs GN 723.4
Aluminum: anodized, black
Reference arrow: white, engraved with laser precision
clamping ring: rubber
friction ring: polyamide (only type A)
Steel:
- knurled milled
- Skalieransatz d1 finely turned
- satin chrome plated, without scale (MCR)
- satin chrome plated, with standard scale, engraved with laser precision, offset in black (MCRS)
scale 0 ... 90, 100 divisions, corr. scaling scheme d1 / 100A RA 0-10 20 ... 90 / 13Spannring rubber
friction ring Polyamid®