Spiral Flute Step Drill, 7/8 and 1-1/8

Short Description:

Material: Good quality carbide rod with 45 55 or 65HRC
Coating: AlTiN/TiSiN/AlTiSiN/TiN/without coating, all are available Feature: Suitable for drilling step hole at one time
Produce According to your drawings or detailed parameters listed below


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Product Overview
Step Drills are wonderful tools for making a small hole bigger. Unlike using a huge drill bit, step drills don’t require nearly as much torque or cutting pressure as the steps mean you aren’t trying to cut one huge chip. This particular step drill does have a standard twist drill point so you can use this to start holes as well.
Drill Step sizes

1/4″ Initial starter drill
8 small steps
7/8″ large step
4 small steps
1 1/8″ Large step and max size

Works well for drilling in:
Metal
Stainless
Cu, Ni, Ms, Zn, Al
PVC
Wood, too
Drill Coating

TiN, Titanium Nitride
Shank

3/8″ diameter with 3 ground flats

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To meet the requirements of individual customers for each bit more perfect service and stable quality products. We warmly welcome customers around the world to visit us, with our multi-faceted cooperation, and jointly develop new markets, create a brilliant future!


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