Product Details
Place of Origin: JIANG SU CHINA
Brand Name: Starry
Certification: ISO9000
Model Number: 8mm
Payment & Shipping Terms
Minimum Order Quantity: 300Pcs
Packaging Details: plastic box,pvc bags,Single piece with blister card package
Delivery Time: 30-45days
Payment Terms: T/T, L/C
Supply Ability: 3000000pcs per mouth
Product Name: |
HSS Cobalt Twist Drill Bits |
Material: |
Hss-4341 |
Standard: |
DIN338 |
Process: |
Full Ground |
Hardness: |
HRC 62 - 65 |
Surface Finished: |
Black |
Application: |
Stainless Steel, Copper |
Product Name: |
HSS Cobalt Twist Drill Bits |
Material: |
Hss-4341 |
Standard: |
DIN338 |
Process: |
Full Ground |
Hardness: |
HRC 62 - 65 |
Surface Finished: |
Black |
Application: |
Stainless Steel, Copper |
Black Full Ground HRC 61 - 66 DIN338 HSS Cobalt Twist Drill Bits
High Speed Steel Step Drill Bit Description:
Manufactured from Hss-4341 steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander" Extremely heat resistant; must be used and operated at 1500 RPM or greater for maximum efficiency. Straight shank allows for firmly holding and accurate centering,
Detail:
Item Name: High Speed Steel Twist Drill Bit | |
Material |
hss-4341 |
Shank | Straight shank |
Process | Full ground |
Surface finished | Black |
Hardness |
HRC 61 - 66 |
Color | |
Size | 8.0mm |
Flute Type
|
N
|
Total Length |
125mm
|
Flute Length |
81mm
|
Usage | Drilling Through Sheet Metal |
Customize | Accepted |
hss-4341 hss drill bit List :
Hss drill bits Application
It fit for standard drill chucks and regular round collet chucks Manufactured with all kinds of drill bit for metal,
such as HSS Twist Drill, HSS Center Drill Bit, HSS Step Drill Bits, Reduced Shank Drill Bit, Taper Shank Drill Bits, and etc.
Made into HSS Twist Drill Bits; HSS Step Drill Bit; Taper Shank Drill Bits; Reduced Shank Drill Bits; Bi-metal Hole Saws.