5pcs High Speed Steel 4241 Step Drill Bit Set Round Shank

This is a set of step drills made of high speed steel 4241. Different specifications can meet different drilling requirements. The aluminum box can better accommodate and protect the drill bits.

Features:

Made of fine quality high speed steel, wear resistant, not easy to rust, has a long service life.

Double groove design for faster and smoother cutting.

Different specifications can meet different drilling requirements.

The aluminum box can better accommodate and protect the drill bits.

Suitable for workpiece with hardness is less than 25 deg;, 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

Size:

1/4 quot; to 1-3/8 quot; (10 steps): 1/4 quot;, 3/8 quot; 1/2 quot;, 5/8 quot;, 3/4 quot;, 7/8 quot;, 1 quot;, 1-1/8 quot;, 1-1/4 quot;, 1-3/8 quot;

3/16 quot; to 7/8 quot; (12 steps): 3/16 quot;, 1/4 quot;, 5/16 quot;, 3/8 quot;, 7/16 quot;, 1/2 quot;, 9/16 quot;, 5/8 quot;, 11/16 quot;, 3/4 quot;, 13/16 quot;, 7/8 quot;

1/4 quot; to 3/4 quot; (9 steps): 1/4 quot;, 5/16 quot;, 3/8 quot;, 7/16 quot;, 1/2 quot;, 9/16 quot;, 5/8 quot;, 11/16 quot;, 3/4 quot;

1/8 quot; to 1/2 quot; (13 steps): 1/8 quot;, 5/32 quot;, 3/16 quot;, 7/32 quot;, 1/4 quot;, 9/32 quot;, 5/16 quot;, 11/32 quot;, 3/8 quot;, 13/32 quot;, 7/16 quot;, 15/32 quot;, 1/2 quot;

3/16 quot; to 1/2 quot; (6 steps): 3/16 quot;, 1/4 quot;, 5/16 quot;, 3/8 quot;, 7/16 quot;, 1/2 quot;

Shank diameter:

1/4 quot; to 1-3/8 quot;: 8mm / 0.3in

3/16 quot; to 7/8 quot;: 8mm / 0.3in

1/4 quot; to 3/4 quot;: 8mm / 0.3in

1/8 quot; to 1/2 quot;: 6mm / 0.2in

3/16 quot; to 1/2 quot;: 6mm / 0.2in

Package size: 150 * 110 * 40mm / 5.9 * 4.3 * 1.6in

Package weight: 480g / 1.1lb

Package list:

5 * Step Drill

1 * Aluminum Box

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Key Features

This is a set of step drills made of high speed steel 4241. Different specifications can meet different drilling requirements. The aluminum box can better accommodate and protect the drill bits.
Made of fine quality high speed steel, wear resistant, not easy to rust, has a long service life.
Double groove design for faster and smoother cutting.
Different specifications can meet different drilling requirements.
The aluminum box can better accommodate and protect the drill bits.