Step drill Cofan

Product description:

• HSS step drill from Cofan.
• This drill bit is also countersunk.
• It is made of ground high-speed steel.
• It has two stepped cuts.
• There are 7 different size combinations to choose from.

Available stepped diameter sizes:

• From 4 to 12 mm diameter and 80 mm long.
• From 4 to 20 mm in diameter and 80 mm long.
• From 6 to 30 mm diameter and 110 mm long.
• 20 to 30 mm in diameter and 110 mm long.
• From 30 to 40 mm diameter and 90 mm long.
• From 40 to 50 mm diameter and 130 mm long.
• From 50 to 60 mm diameter and 130 mm long.

SKU: 8445187149968, 9902412, 9902020, 9902030, 9902230, 9902440, 9902050, 9902060

• Step Drill Bit Size : 4 to 12mm, 4 to 20mm, 6 to 30mm, 20 to 30mm, 30 to 40mm, 40 to 50mm, 50 to 60mm.