HSS Black & Bright Reduced Shank Drill Bit




1. 1/2" reduced shank design

2. 6" overall length

3. Black black surface treatment.

4. For drillig large hole

5. Matric

 

 

The material from which bits are manufactured play a big role in the life and performance of the bit. Drill bits are available in : 

 

High speed steel (HSS): harder than steel blades; stay sharper longer. 

HSS Cobalt: Extremely hard and dissipate heat quickly. They are most commonly used for boring in stainless steel and other metals. 

 

Item Description:


Item NO. Reduced Shank Drill Bit
Material HSS M2, HSS4341, HSS Cobalt 5%
Surface treatment Black Nutride, Amber color, Black oxide.
Shank type 1/2" reduced three-flat shank
Angle Point 118 degree angle point
Size: 33/64" --   1-1/2"
Feature:

1. Excellent for drilling large diameter holes in steel and other hard metals.

2. They also have the 1/2" reduced shank so you can use them on any 1/2" drill.

 

 

HSS Black & Bright Reduced Shank Drill Bit

D: Diameter    L1: Overall Length   L2: Flute Length

D L1 L2 D L1 L2
inch inch inch inch inch inch
9/16" 6 3 47/64" 6 3
5/8" 6 3 3/4" 6 3
21/32" 6 3 23/32" 6 3
11/16" 6 3 13/16" 6 3
45/64" 6 3 7/8" 6 3
23/32" 6 3 1" 6 3

* Other sizes are available according to customer's demand

 

Packing Information

 

All kinds of packing and sets. We can OEM with your own Brand.

The usual package is plastic box.


Pictures:





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