Telephone numbers: (81) 8345-3811, (81) 8342-8082, (81) 8343-3107 and (81) 1091-5505
High-speed steel step drill bit #7, 1/4" - 1 3/8"
High-speed steel step drill bit #4, 1/4 - 3/4"
High-speed steel step drill bit #1, 1/8" - 1/2"
1" high-speed steel cobalt drill bit with reduced shank
Metal drill bits