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HRC 61 Conical 8mm Roll Forged Black HSS Drill Bits

HRC 61 Conical 8mm Roll Forged Black HSS Drill Bits

HRC 61 Conical 8mm Roll Forged Black HSS Drill Bits
HRC 61 Conical 8mm Roll Forged Black HSS Drill Bits

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
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Detailed Product Description
Product Name: Hss Cconical Drill Bits Material: Hss4241
Standard: DIN338 Process: Roll Forged
Hardness: HRC 61 - 66 Surface Finished: Black
Application: Carbon Steel, Cast Iron
High Light:

Roll Forged HSS Drill Bits

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8mm HSS Drill Bits

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Hss Conical Drill Bits

8mm Hss4241 Roll Forged Black Carbon Steel 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,

 

Hss cobalt drill bits Application

 

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

 

Detail:

 

Item Name:  8mm Hss4241 Roll Forged Black Carbon Steel Drill Bit

Material Hss4241
Shank Hex Shank
Process Roll Forged
Surface finished

Black

Hardness 65-67 HRC
Color  
Size 8.0mm

Flute Type

 

 

Total Length

125mm

 

Flute Length

81mm

 

Usage Metal drilling, Stainless steel, carbon steel
Customize Accepted

 

 

 Hss4241 Drill bits Size List :

 

M1.6x0.35 6h 40 8 1
M1.7x0.3 5 6h 40 8 2
M1.8x0.35 6h 40 8 3

 

 

 

 

 

Contact Details
Jiangsu Xingrui Tools CO.,LTD

Contact Person: Jerry

Tel: +86-15298489260

Send your inquiry directly to us (0 / 3000)

Contact

Address: FeiDa indutrial Park,Hou Xiang Town,DanYang City,Jiang Su Province,China.

Factory Address:FeiDa indutrial Park,Hou Xiang Town,DanYang City,Jiang Su Province,China.