Step drill allows to cut several holes with one drill without changine bit constantly.
Coated with cobalt, this step drill is more durable and better heat resistance
Two-flute design enables a faster, more stable and smoother cutting .
Compared with the common drill, this step drill can deburrs holes while drilling and 3-sided shank prevent slipping in drill chuck. Step drill, also called multifuctional drill, can cut straight-flute, spiral-flute, single-flute.

Technical Details

Product Details

Package Dimensions
Width : 4.8 inch
Height : 2 inch
Length : 6.3 inch

Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B01KHPPHYQ

Product Description

Size:
#1: 3/16'' to 1/2'' 6 Steps (3/16'''', 1/4'''', 5/16'', 3/8'''', 7/16'''', 1/2'''')?
#2: 1/8'' to 1/2'' 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: 1/4'' to 3/4'''' 9 Steps (1/4'''', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'')?
#4: 1/4'' to 1-3/8'' 10 Steps (1/4'''', 3/8'', 1/2'', 5/8'', 3/4'', 7/8'', 1'', 1-1/8'', 1-1/4'', 1-3/8'')?
#5: 3/16'' to 7/8'' 12 Steps (1/4'''', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'', 13/16'', 7/8'')''?

Package include:5 different size bits
One aluminum case