Drillpro Upgrade 3Pcs 1/4 Inch Hex Shank Blue Nano Coated Step Drill Bit Set 4-12/4-12/4-32mm
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Description:
Drillpro Upgrade 3Pcs 1/4 Inch Hex Shank Blue Nano Coated Step Drill Bit Set 4-12/4-12/4-32mm
Upgrade Wear Resistant Blue Nano Coating, 3-5 Times Longer Than Ordinary Drill Life
Specification:
Material: HSS 4241 / High Speed Steel 4241
Coating: Blue Nano
Shank Size: 1/4" Hex Shank
Quantity: 3Pcs
Step Drill Step Size:
4-12mm:(3,4,5,6,7,8,9,10,11,12mm, 10 Steps)
4-20mm:(4,6,8,10,12,14,16,18,20mm, 9 Steps)
4-32mm:(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm, 15 Steps)
Features:
1: Made of high quality high speed steel 4241.
2: New blue nano coating surface treatment, 3-5 times longer drill life than other drill bits.
3: Sharp drill and no burr.
4: Suitable for drill hole on a variety of materials including steel, brass, wood, plastic, etc
Package Included:
3 Pcs x Step Drill Bits 4-12+4-12+4-32mm
More Details:
Drillpro Upgrade 3Pcs 1/4 Inch Hex Shank Blue Nano Coated Step Drill Bit Set 4-12/4-12/4-32mm
Upgrade Wear Resistant Blue Nano Coating, 3-5 Times Longer Than Ordinary Drill Life
Specification:
Material: HSS 4241 / High Speed Steel 4241
Coating: Blue Nano
Shank Size: 1/4" Hex Shank
Quantity: 3Pcs
Step Drill Step Size:
4-12mm:(3,4,5,6,7,8,9,10,11,12mm, 10 Steps)
4-20mm:(4,6,8,10,12,14,16,18,20mm, 9 Steps)
4-32mm:(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm, 15 Steps)
Features:
1: Made of high quality high speed steel 4241.
2: New blue nano coating surface treatment, 3-5 times longer drill life than other drill bits.
3: Sharp drill and no burr.
4: Suitable for drill hole on a variety of materials including steel, brass, wood, plastic, etc
Package Included:
3 Pcs x Step Drill Bits 4-12+4-12+4-32mm
More Details: