Type OS - without plastic cap
Type KS - with plastic cap, gliding
Type KR - with plastic cap, non-gliding
GN6311.3 Foot Plate, Steel, with or without Plastic Cap
Foot plates GN 6311.3 are used together with screws with pivots (for example, grub screws DIN6332, and tommy screws DIN6304 or DIN6306).
Due to the special shape of the immovable retaining ring, the foot plate is easily plugged onto and removed from, the pivot.
Steel ST - zinc plated, blue passivated
Circlip - Spring Steel wire, zinc plated, blue passivated
Plastic caps - Type KS , Technopolymer (Polyacetal POM), white (natural colour) RAL 9001. Type KR - Elastomer (TPE), 78 Shore A ≈, black.