M3 (1/8)
M5 (3/16)
M6 (1/4) 741
M8 (5/16) 741
M10 (3/8) 741
M12 (1/2) 741
M16 (5/8) 741
M20 (3/4) 741
M22 (7/8) 741
M26 (1) 741
M25 (1) งานหนัก