Jobber Length HSS Cobalt Drill Bit

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    2019-08-28 15:03

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Shenzhen Dunfeng Technology Co., Ltd.








No. 33, Xinshi community, Dalang street, Longhua district, Shenzhen no. 201


http://www.dunfengtech.com/ http://www.wtmbp.com/com/dunfeng/


Quick Details

Place of Origin: Guangdong, China (Mainland)

Brand Name: DUNFEN

Model Number: HSS Cobalt Drill Bit

Type: Twist Drill Bit

Use: Metal Drilling

Product Name: Jobber Length HSS Cobalt Drill Bit

Material: HSS-E Cobalt M35

Process: Fully Ground

Length Standard: DIN338 Jobber Length

Flute Type: Type N Spiral Flute, Right Hand

Point Angle: 135 Degree Split Point

Shank: Straight Shank

Sizes: 1-20mm, 1/64 to 1 Inch, A to Z, 1# to 90#

Surface Finish: Amber Color

Application: For Stainless Steel Metal Aluminum PVC Drilling


Cobalt Drill Bits
ASME B.94.11M Jobber length
Fully ground
Fast drilling speed & chip removing

HSS Cobalt Drill Bits, ASME B.94.11M-Jobber length


Manufacturing Process: Fully Ground,Co5%or Co8%
Material: M35,M42
Standard: ASME B.94.11M-Jobber length

Surface Finishing: Coffee Color, White, Dark Coffee, etc.

Kindly contact with us for more information, we'll reply you in two working days, many thanks

alll material, standard and packages are available, please contact us for more information!!

Supply Ability

10000000 Piece/Pieces per Month Cobalt Drill Bit

Packaging & Delivery

Packaging Details:10/5 pcs in PVC pouch/ Plastic box; Individually in Skin Card / Double Blister / Clamshell.


Product Description

Product Name

Straight Shank German Jobber Length M35 HSS Cobalt Twist Drill Bit for Stainless Steel


M35(HSS-E) (HSS is Available)


Fully Ground (Rolled & Polished, Rolled, Milled are Available)


DIN338 (Stub DIN1897, Long DIN340, Extra Long DIN1869, Blacksmith Reduced Shank 10mm, 13mm, DIN345 Taper Shank are Available)

( Blacksmith Reduced Shank 10mm, 13mm, Taper Shank are Available)

Jobber Length (Stub Screw Machine Length, Long Taper Length, Airctraft Extensoin. Extra Long 12", 18", 24", Silver & Deming 1/2" Reduced Shank are Available)


1 - 20mm, 1/16" - 1" , A - Z, 1# - 90#

Point Type

135 Degree Split Point (118 Degree Regular Point, Turbo Max Point, Pilot Point are Available)

Shank Type

Straight Shank (Hex Shank, Tri-Flats Shank, Double R Hex Shank, Reduced Shank,

Threaded Shank, Taper Shank are Available)

Helix Angle

Regular Spiral Type N (Slow Spiral Type H, Fast Spiral Type W, Left Hand Spiral are Available)

Web & Flute Type

Regular Web & Flute (Thick Web with Parabolic Flute, Heavy Duty Web with Regular Flute are Available)

Surface Finish

Amber Color (Bright, Black Oxide, Titanium, Black & Gold, Black & Bright are Available)


10/5 Pcs in PVC Pouch, Plastic Box, Individually in Skin Card, Double Blister, Clamshell.


1.Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer.

2. No center punch is needed—the aggressive 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander".

3.Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance.


1. How can I know the quality of items from Dunfen?

a) Dunfen has over 13 years manufacturing experience on cutting tools.

b) Free sample for quality testing.

c) Certification of cutting tools production Quality Testing.

2. How can I make sure may ordered items delivery on time?

a) For regular models of item, there is no reason for you worry about. Dunfen warehouse has sufficient stock items anytime!

b) For other models, depend on your order quantity, normally we will ship out within 3days.

3. What should I do other items shipped out from factory? Do I need to follow up delivery status from Express Company?

a) No, you do not need to anything except grab a cup of coffee and open you Email in the morning.

b) All the delivery status details will be sent to your Email.

4. What I need to do get items I want from Dunfen?

All you need to do 3 things below

a) Send us your inquiry in details, such us model/quantity/time of delivery/pacing requirement.

b) Confirm the sample quality and order with Email or fax, the make the payment according to the proforma invoice.

c) Confirm receiving items from express company, check the packing and quantity, write us feedback regarding to your order details.

5. Can I go to visit Dunfen factory?

Yes, we will be warmly welcomed to visit our factory. Please call us or send Email before your visitation.