The collet nut replace number is 763606-2,the 1/4''6.35mm collet cone number is 763625-8,the 6mm collet cone number is 763620-8,and the 1/8''3mm collet cone number is 763626-6.
It fits to Makita 906H Die Grinder GE0600 Die Grinder GD0600 Paddle Switch Die Grinder GD0601 1/4" Die Grinder GD0603 Grinder.