- Not only the opening (hexagonal) that comes into contact with the bolt/nut, but also the square drive part on the insertion side uses a surface-contact flat drive that reliably transmits high torque without damaging the corners.
Specifications in detail
Insertion angle (mm): 9.5
Diameter (mm): 12
Total length (mm): 50
Opposite side shape: Hexagonal
Compatible pin: A31
Compatible O-ring: B31
Compatible C-ring: PK1301C (opposite side 8-12mm), PK1302C (opposite side 13-24mm)
Compatible ring: AB31
KOKEN 13301X-12