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HRC 61 Conical 8mm Roll Forged Black HSS Drill Bits

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HRC 61 Conical 8mm Roll Forged Black HSS Drill Bits

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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 cconical drill bits

material : Hss4241

Standard : DIN338

Process : Roll Forged

Hardness : HRC 61 - 66

Surface finished : Black

Application : Carbon Steel, Cast Iron

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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


Product Tags:

Roll Forged HSS Drill Bits

      

8mm HSS Drill Bits

      

Hss Conical Drill Bits

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

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

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