4-40 370 Step Drill for holes to tap
Model #: DRST370-4-40
Price: $12.10
Description: Step Drill 370, HSS, for Holes-to-be-Tapped w/Chamfer: #4-40, 1009-0034
- Minor Diameter: 0.089
- Major Diameter: .1285"
- Step Length: 3/8
- Flute Length: 1 5/8
- Overall Length: 2 3/4
Style 370.
For Drilling 45 Degree Chamfered Holes To-Be-Tapped.
High Speed Steel. Jobbers length.
Easily resharpened.
Does 2 jobs in a single pass.
Made in USA.