Step Drill Bit Set 5-Piece Titanium-Coated High Speed Steel with Automatic Center Punch for Drilling Sheet Metal Step Drill Bit

Material: High Speed Steel Body, Titanium Coating

Measurement System: Imperial

Drill Bit Specification:

10-Step 3/8" Drill Bit from 1/4" to 1-3/8"

11-Step 3/8" Drill Bit from 3/16" to 7/8"

9-Step 3/8" Drill Bit from 1/4" to 3/4"

12-Step 1/4" Drill Bit from 1/8" to 1/2"

6-Step 1/4" Drill Bit from 3/16" to 1/2"

Center Punch Specification:

Thimble Hardness: HRC 58-62

Length: 5"

Diameter: 0.5"

Weight: 550g/1.21lbs (including the case)

Package Includes:

5 x Step Drill Bits

1 x Center Pun