These Ideal Step bits have the new aggressive split-point tip that lasts longer and starts faster than competition. High speed tool steel - most durable steel available for cutting tools. They are double-tempered for superior tip life. Provides accurate drilling. Has a 1/4 IN Quick-change shank can be used in standard 3-jaw chuck, impact drivers and quick-change drill chucks. Comes with a durable blow-molded case securely holds and protects bits. This kit provides a solution for every electrical hole size between 1/8 IN and 1-1/8 IN
- High speed tool steel, double-tempered for superior tip life
- Split point tip lasts longer and starts faster than competition
- Double fluted and blended radius steps for smooth drilling
- 1/4" Quick change shank
Step Bit Coating: Black Oxide
Materials Cut: Aluminum
Kit includes1x 35-521 1/8" to 1/2"
1x 35-522 1/4" to 7/8"
1x 35-523 1/4" to 1-1/8"