Metal Step Drill Drilling , Blue for 4-20 Tier 9 4-12 Tier 5 4-32 Tier 15 Spiral Slot

Description:

4241 Multifunctional step drill bit, cutting iron like mud.
Material: High Speed Steel
118 degree X-shaped opening, accurate positioning, reducing slippage and rework.
Use in Gilling, Repairing, Decorations, Factory Works, Wood, Steel, Copper Punching, etc.
Suitable for 4241 Slots 4-12 Tier 5 HSS-4241, 4241 Slots 4-20 Tier Nine HSS-4241, 4241 Slots 4-32 Tier 15 HSS-4241.

Size Chart:

0.635x7.7cm / 0.25x3.03inch

Package Includes:

1 Piece Step Drill

Note:

1. Please allow slightly error due to manual measurement.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
3. Wish you a wonderful on-line shopping!