8,00 mm, THREAD - 4 SHARK FINS LARGE - 1 HOLE
Kamax Shaft ⌀8,00mm
Shaft hardness: 45 - 46 Rockwell
Wing hardness: 50 - 52 Rockwell
Pin hardness: 50 Rokwell
Sharks fins are welded in a way that the shaft does not heat up so much and reduced its hardness.
All shafts pass through heat treatment and the metal acquires high hardness, durability and reset memory.