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roll forged HRC 61 DIN338 HSS Cobalt Twist Drill Bits
roll forged HRC 61 DIN338 HSS Cobalt Twist Drill Bits
Specifications
Brand Name :
Starry
Model Number :
8mm
Certification :
ISO9000
Place of Origin :
JIANG SU CHINA
MOQ :
300Pcs
Payment Terms :
T/T, L/C
Supply Ability :
3000000pcs per mouth
Delivery Time :
30-45days
Packaging Details :
plastic box,pvc bags,Single piece with blister card package
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
Description

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,

  1. Ground point drill bits suitable for ferrous and non-ferrous metals, offering good drilling speeds and extended working life.
  2. Fast, accurate drilling.
  3. Application: Steel, Cast iron, Aluminium, Malleable Cast iron, Brass, Copper
  4. drill bit with 118° split point tip and optimised flutes offers fast drilling speeds in a contractors, low cost option.

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.

Product tags

dth hammer drill bits

,

dth drill bits

,

tungsten carbide drill bits
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roll forged HRC 61 DIN338 HSS Cobalt Twist Drill Bits

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Product Detail
Brand Name :
Starry
Model Number :
8mm
Certification :
ISO9000
Place of Origin :
JIANG SU CHINA
MOQ :
300Pcs
Payment Terms :
T/T, L/C
Contact Supplier
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roll forged HRC 61 DIN338 HSS Cobalt Twist Drill Bits

Jiangsu Xingrui Tools CO.,LTD

Verified Supplier
7 Years
Since 2008
Business Type :
Manufacturer, Trading Company
Main Products :
HSS Machine Taps, HSS Hand Tap, HSS Metric Taps
Total Annual :
10000000-20000000
Employee Number :
100~120
Certification Level :
Verified Supplier
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