Description
This is a set of step drills made of high speed steel 4241. Different Specifications:s can meet different drilling requirements.
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:s can meet different drilling requirements.
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 424;
Color: yellow;
Quantity: 5pcs;
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: 154 120 43mm / 6.1 4.7 1.7in;
Package weight: 480g / 1.1lb;
Package list:
5 Step Drill
Product Attributes:
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