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. |
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: