The tapered knobs GN 518 do not require a thread at the shaft. During mounting, easy blows with a soft hammer are sufficient to drive the knob into place, the shaft end should be slightly rounded or chamfered (30°). The knobs sit absolute vibration-tight.
The transparent sight glass allows symbols to be placed underneath.
Once the knob is mounted on the shaft, the symbol is placed into the recess of the separately supplied sight glass and driven home with a soft hammer.
The symbol is fully protected from dirt and liquid by the tight connection between the sight glass and the knob.
Technopolymer (Polyamide PA)
temperature resistant up to 90 °C
black, shiny finish
transparent sight cap
with magnifying effect
on self adhesive foil
printed in silver-gray / black
Positioning symbols GN 517.1 are to be ordered separately.
If this article is new in our product range, it may happen that details concerning weight are as yet not listed. If you do need weight details, please contact our Sales Department! Phone+49 7723 6507 - 0
RoHS compliant: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.