This is a set of step drills made of high speed steel 4241. Different
Specifications can meet different drilling requirements. The aluminum box can 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 grooves design for faster and smoother cutting.
Different
Specifications can meet different drilling requirements
The aluminum box can accommodate and protect the drill bits.
Suitable for workpiece with hardness is less than 25 degrees , such as carbon steel, iron plate, aluminum plate, pvc plate, wood board and so on.
Specifications:
Material: high speed steel 4241
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: 152 * 107 * 43mm / 6.0 * 4.2 * 1.7in
Package weight: 502g / 1.1lb
Packing List:
5 * Step Drill
1 * Aluminum Box
