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Electric Masonry Chisel

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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

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                                                Roll Forged HSS Drill Bits, 8mm HSS Drill Bits, Hss Conical Drill Bits
                              

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

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

HRC 61 Conical 8mm Roll Forged Black HSS 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

Tags:

HSS Machine Taps

HSS Hand Tap

HSS Metric Taps

Spiral Flute Tap

Straight Flute Tap

HSS Drill Bits

Taper Shank Drill Bit

SDS Drill Bits

HSS Step Drill Bit

Metric Masonry Drill Bits

Thread Cutting Dies

HSS Hole Saw

Bi Metal Hole Saw

TCT Hole Saw

Electric Masonry Chisel

HRC 61 Conical 8mm Roll Forged Black HSS Drill Bits

Roll Forged HSS Drill Bits

8mm HSS Drill Bits

Hss Conical Drill Bits

8mm Hss4241 Roll Forged Black Carbon Steel Drill Bit

countersink drill bit,

titanium drill bits,

HSS Machine Taps

HSS Hand Tap

HSS Metric Taps

Spiral Flute Tap

Straight Flute Tap

HSS Drill Bits

Taper Shank Drill Bit