스텝 드릴 비트

IRWIN 10220 20 8 Hole Sizes (9/16″-1″) 1/16″ I

IRWIN 10225 225 4 Pc. General Purpose Set (102

IRWIN 10231 1 13 Hole Sizes (1/8″-1/2″) 1/32″

IRWIN 10231CB 1 13 Hole Sizes (1/8″-1/2″) 1/32″

IRWIN 10233 3 9 Hole Sizes (1/4″-3/4″) 1/16″ I

IRWIN 10233CB 3 9 Hole Sizes (1/4″-3/4″) 1/16″ I

IRWIN 10234 4 12 Hole Sizes (3/16″-7/8″) 1/16″

IRWIN 10239 9 2 Hole Sizes (7/8″ and 1-1/8″ )fo

IRWIN 10239CB 9 2 Hole Sizes (7/8″ and 1-1/8″ )fo

IRWIN 10502CB 502CB 3 Pc. Cobalt Set (10231CB 1

IRWIN 11102 2M 5 Hole Sizes (4 mm – 12 mm) 2

IRWIN 11102CB 2M 5 Hole Sizes (4 mm – 12 mm) 2

IRWIN 11103 3M 7 Hole Sizes (6 mm – 18 mm) 2