MachineU > China Products > Tools & Hardware > Power Tool Accessory > Drill Bit
8.0mm Black DIN338 Hss4241 Roll Forged Twist Drill Bit
8.0mm Black DIN338 Hss4241 Roll Forged Twist Drill Bit
8.0mm Black DIN338 Hss4241 Roll Forged Twist Drill Bit
8.0mm Black DIN338 Hss4241 Roll Forged Twist Drill Bit
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 :
high speed twist drill bit
material :
hss4241
Standard :
DIN338
Process :
Roll Forged
Hardness :
HRC 61 - 66
Surface finished :
black
Application :
HSS Step Drill Bit / Reduced Shank Drill Bit
Description

Black Hss4241 Roll Forged High Speed Twist Drill Bit

Description:

Manufactured from hss4241 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: Black Hss4241 Roll Forged High Speed Twist Drill Bit
Material

hss4241
Shank Hex Shank
Process Roll Forged
Surface finished black
Hardness HRC 61 - 66
Color
Size 8.0mm

Flute Type

Total Length

125mm
Flute Length

81mm
Usage HSS Step Drill Bit / Reduced Shank Drill Bit
Customize Accepted

hss4241 Drill bits Size List :

Size Limit Overall Len Thread Len Size Code
M2.6x0.45 6h 50 9 7
M3x0.5 6h 56 11 9
M3.5x0.6 6h 56 13 10
M4x0.7 6h 63 13 11
M4.5x0.75 6h 70 16 12
M5x0.8 6h 70 16 13
M6x1 6h 80 19 14
M7x1 6h 80 19 15
M8x1.25 6h 90 22 16

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 Saw

Hss cobalt drill bits Quality

Quality inspection is a must before delivery based on Sutek Quality Control Documents or Customer Request Documents.
Hardness test to make sure drill bit with a good heat treatment.
Drilling test to approve our drill bit practicability.
Chemical Analysis for raw materials choice is guaranteed.
Visible Test for how to distinguish the raw materials by experiences.
Drill Bit specification should accord with DIN , ANSI/ASME standard or Tailor-made based on Technical Reference.

Product tags

4.5 mm drill bit

,

7mm drill bit

,

size f drill bit diameter
Send your message to this supplier
Send Now

8.0mm Black DIN338 Hss4241 Roll Forged Twist Drill Bit

Ask Latest Price
Watch Video
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
video
8.0mm Black DIN338 Hss4241 Roll Forged Twist Drill Bit
8.0mm Black DIN338 Hss4241 Roll Forged Twist Drill Bit

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
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products HSS Drill Bits
MachineU China Products Tools & Hardware Power Tool Accessory Drill Bit
Contact Supplier
Submit Requirement