CAIDU 6 Pcs Step Drill Bit Set With Automatic Center Punch& Aluminum Case,

Description

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CAIDU 6 Pcs Step Drill Bit Set with Automatic Center Punch& Aluminum Case, High Speed Steel Titanium Cobalt Bits for Metal Home Improvement
Gallery.
Product Description
Features
:Package Includes: 5 x step drill bits1 x automatic center punch1 x aluminum case
:Two popular 1/4" and 3/8" shank sizes , cover a widely range of drilling requirements to meet your needration
:Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck Automatically deburrs holes as you drill
:Please mark the spot that you are to drill for easier drilling and improved drill bits life.
:Automatic Center Punch: center punch with spring inside creates an automatic, high-impact force
Description
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Product Name: 6-piece inch step drill set aluminum box HSS424 reaming drill
Products include: HSS automatic center punch + 5pcs HSS4241 inch step drill
Applicable objects: carbon steel, aluminum plate, PVC material, etc. (marble glass is not available)
Additional function: the spring center punching hardness can reach HRC65. When the step drill can't drill, you can use the center punch hole to use the step drill to increase the work flexibility
Precautions:
When the hand drill is used, the thickness of the steel plate is less than 2mm, and the diameter of the drill hole exceeds 14mm.
When working for a long time, watering on the net bit can prolong the service life, and the best speed is less than 400 rpm.
Weight: 0.55kg
Packing: aluminum alloy box
Packing size: 155*110*45mm
Process: The surface of the product is anti-oxidation treatment, not easy to rust
Drill handle: Triangle round handle
Product specifications:
1 Length: 58mm, working depth: 28mm, drilling size (unit: in): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2
2 Length: 77mm, working depth: 46mm, drilling size (unit: in): 1/8, 5/32, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8 , 13/32, 7/16, 15/32, 1/2
3 Length: 73mm, working depth: 41mm, drilling size (unit: in): 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 , 3/4
4 Length: 78mm, working depth: 47mm, drilling size (unit: in): 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8 , 11/16, 3/4, 13/16, 7/8
5 Length: 77mm, working depth: 46mm, drilling size (unit: in): 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 9/8, 5 /4,11/8
Note:Suitable for high power bench drill
Technical Details
Brand:
Brand CAIDU
Category:
Step Drill Bits
Color:
Gold
Manufacturer Part Number (MPN):
Model:
Manufacturer:
Package Dimension: 2 x 6.5 x 5.1 inchs., Weight: 0.07lbs.
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