8pcs M7 Drill USA Step Drill Bit HI-Molybdenum Step Drill Bit Set

 

Material: HI-Molybdenum M7 Steel

Shank Size: 3/8' Shank

 

Included Sizes:

Size	Steps	Step size
1/8' - 1/2'	13	1/8', 5/32', 3/16', 7/32', 1/4', 9/32', 5/16', 11/32', 3/8', 13/32', 7/16', 15/32', 1/2'
3/16' - 1/2'	6	3/16', 1/4', 5/16', 3/8', 7/16', 1/2'
1/4' - 3/4'	9	1/4', 5/16', 3/8', 7/16', 1/2', 9/16', 5/8', 11/16', 3/4'
3/16' - 7/8'	12	3/16', 1/4', 5/16', 3/8', 7/16', 1/2', 9/16', 5/8', 11/16', 3/4', 13/16', 7/8'
9/16' - 1'	8	9/16', 5/8', 11/16', 3/4', 13/16', 7/8', 15/16', 1'
13/16' - 1-3/8'	10	13/16', 7/8', 15/16', 1', 1-1/16', 1-1/8', 1-3/16', 1-1/4', 1-5/16', 1-3/8'
7/16' - 1-1/8'	12	7/16', 1/2', 9/16', 5/8', 11/16', 3/4', 13/16', 7/8', 15/16', 1', 1-1/16', 1-1/8'
1/4' - 1-3/8'	10	1/4', 3/8', 1/2', 5/8', 3/4', 7/8', 1', 1-1/8', 1-1/4', 1-3/8'

 

Dual Flute Design Drills Faster and Deburrs

Tri Flat Shank Prevents 'Spinning' in the Chuck

Drill bit is proud to release the newest technology in step drill bits. 

These bits are made from HI-Molybdenum M7 Steel which has a melting point of 4,753° degrees Fahrenheit! 

Features a new Dual Flute design to drill 17% faster and remove more material than standard step drills. 

This new flute design also automatically deburrs leaving a clean hole. 

These bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade-8 bolts, and more!