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7.5mm Amber DIN 338 Fully Ground HSS Step Drill Bit

7.5mm Amber DIN 338 Fully Ground HSS Step Drill Bit

7.5mm Amber DIN 338 Fully Ground HSS Step Drill Bit
7.5mm Amber DIN 338 Fully Ground HSS Step Drill Bit

Product Details:

Place of Origin: JIANG SU CHINA
Brand Name: Starry
Certification: ISO9000
Model Number: 7.5mm

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 Cobalt Drill Bits Hss Drill Bits Metal Material: M35
Standard: DIN 338 Process: Fully Ground
Hardness: HRC 61 - 66 Surface Finished: Amber
Application: Copper, Carbon Steel, Cast Iron
High Light:

HSS Step Drill Bit

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Fully Ground HSS Drill Bits

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HRC 61 Step Drill Bit

7.5mm Amber DIN 338 fully ground high Speed Steel Step Drill Bit

 

 Description:

 

COBALT STEEL - Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy,

measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, ideal for repeated drilling in metalworking
It is often used in power-saw blades and drill bits. It is superior to the older high-carbon steel tools used extensively through the 1940s in tha

t it can withstand higher temperatures without losing its temper (hardness). This property allows HSS to cut faster than high carbon steel, hence the name high-speed steel. At room temperature, in their generally recommended heat treatment, HSS grades generally display high hardness (above Rockwell hardness 60) and abrasion resistance (generally linked to tungsten and vanadium content often used in HSS) compared with common carbon and tool steels.

 

 

Detail:

 

Item Name: 7.5mm Amber DIN 338 fully ground high Speed Steel Step Drill Bit

Material M35
Shank Hex Shank
Process Full ground
Surface finished

 

Amber

Hardness 65-67 HRC
Color cooper-colored
Size 7.5mm

Flute Type

 

 

 

Total Length

125mm

 

Flute Length

81mm

 

Usage steel, Drilling holes in metal
Customize Accepted

 

 

 M35 Drill bits Size List :

 

Size Limit Overall Len Thread Len Size Code
M1.6x0.35 6h 40 8 1
M1.7x0.35 7h 40 8 2
M1.8x0.35 8h 40 8 3
M2x0.4 6h 45 9 4
M2.2x0.45 6h 50 9 5
M2.6x0.45 6h 50 9 7

 

 

HSS M35 Cobalt Parallel Shank 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

 

 

 

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.