Feature

●Single-flute cutting edges for greater control through steps
●3-flatted shanks prevents slipping in drill chuck
●Non-skid self-starting tips eliminate skidding and the need for center punching
●Sizes clearly laser-etched to make precise drilling easy
●Set includes HSS #1, 2, 4, and 21 size step drills

[3PC SET High Speed Steel]

[3PC SET Titanium Nitride (TiN)]

[4PC SET High Speed Steel]

[3PC SET Cobalt]

Description

Product Description

The IRWIN Unibit High-Speed Steel Step Drill Set features single-flute cutting edges for greater control and more precise drilling. Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate skidding and the need for center punching. Set includes #1, 2, 4, and 21 size step drills.

From the Manufacturer

Irwins Unibit SpeedPoint combines the most desired features of a Step Drill, speed and control and as many as 13 different sizes onto one single-fluted step drill bit. Irwin Industrial Tools 10225 2254-Piece General Purpose Set (10231, 10232, 10234, 10221)