Titanium Nitride coating extends cutting edge life up to 6x and holds lubricant for a smoother and cleaner cut!!
These step bits have a three flat shank so they do not spin when used in a keyless chuck.
Contents:
2 Step bits with 1/4" shanks:
9 Steps:
1/4", 5/16, 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
6 Steps:
3/16",1/4",5/16",3/8",7/16",1/2"
3 Step bits with 3/8" shanks:
10 Steps:
1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
13 Steps:
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"
12 Steps:
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"
Comes in aluminum case
