5pcs High Speed Steel 4241 Step Drill Bit Set Kit Round Shank Pagoda T-wist Drills Drilling Tool with Storage Box for Workpiece

This set of step drills made of superb steel material. Different specifications can meet different drilling requirements. What are you waiting for? Just come and buy.

Features:
Made of superb high speed steel, wear resistant, reliable and long-lasting.
Double g-roove design for faster and smoother cutting provides you better use experience.
Divserse specifications can meet different drilling needs.
Mini size and light weight make it portable and space-saving for storage.
Suitable for workpiece with hardness is less than 25°, such as carbon steel, iron plate, aluminum plate, pvc plate, wood board and so on.

Specifications:
Material: high speed steel 4241
Color: yellow
Quantity: 5pcs
Type: 1, 2 (optional)
Size:
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"
3/16" to 7/8" (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"
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"
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"
3/16" to 1/2" (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"
Shank diameter:
1/4" to 1-3/8": 8mm / 0.3in
3/16" to 7/8": 8mm / 0.3in
1/4" to 3/4": 8mm / 0.3in
1/8" to 1/2": 6mm / 0.2in
3/16" to 1/2": 6mm / 0.2in
Package size:
Type 1: 150 * 110 * 40mm / 5.9 * 4.3 * 1.6inches(Length * Width * Height)
Type 2: 90 * 70 * 70mm / 3.5 * 2.8 * 2.8inches(Length * Width * Height)
Package weight:
Type 1: 480g / 1.1lb
Type 2: 300g / 10.6ounce

Package list: (optional)
Type 1:
5 * Step Drill
1 * Aluminum Box
or
Type 2:
5 * Step Drill