Fully Ground 8PCS HSS Tin-Coated Straight Shank Twist Drill Set From 4mm to 10mm

Min.Order: 1
Product origin: Nanjing, Jiangsu, China
Infringement complaint: complaintComplaint
US$ 0.18 ~ 4.9

Description
Suitable for drilling holes with medium to large diameters in soft wood or soft plastic. It's simple made and reasonable price. It's popular especially in America.
 
How to Choose Drill bit

For wood: these types of drill bits can be used on any wood, whether it is softwood, hardwood, veneer or plywood.

For metal: these drill bits are used to drill any kind of metal. When it comes to drill bits for metal, inserts are only used for machine tools.

For masonry: these steel drill bits have a brazed tungsten carbide tip.

For tile and glass: these drills bits look like small spears. They are characteristically used with a low drilling speed .

Various Specification
Dimensions-DIN Standard
Coating
 
HSS Drill Bits
ManufacturingSurface FinishSharpening
WhiteBlackB&WTin CoatedAmberBlack&Gold118°135°S.P.Turto Max118°S.PWeb Thinning
Rolled Forged
 

 

 

 

 

 
Rolled Polished
 

 

 
Fully Ground
 
Milled
 

 

 

 
StandardsDIN338,DIN1897,DIN340,DIN1869,DIN345,DIN333
Jobber length,ScrewMachine Length,Taper length,Aircraft Extension
MaterialHSS4241,HSS4341,HSS6542(M2),HSS CO5%(M35),HSS CO8%(M42)
ShankStraight shank(Parallel shank), Reduced Shank, hex shank,1/4″Quick change shank,3Flats shank,1/2"shank,3/8"shank
Helix AngleType N,Type W,Type H
RotatingRight Hand,Left Hand
FluteNormal,parabolic
HSS Hardness
HSS NO.HSS GRADEHRC(Rockwell Hardness)
4241Mo2Cr4Vsi60-62
4341Mo3Cr4Vsi62-65
9341Mo3Cr4V63-66
6542/M2Mo5Cr4V263-66
M35Mo5Cr4V2Co564-67 HSS Co5%
Packing
Main Products

Company Profile

Our Comany
Why Choose Us

Sino abrasives designs, develops, integrates and manufactures a complete range of cutting, grinding and polishing products for all kinds of customers. Including, Superhard materials- Diamond tools, CBN tools, T.C.T tools, Resin bonds abrasives, Sanding tools, Non-woven tools and so on.
Sino Abrasives Limited was born in 2003. It's initially just an abrasives tools factory. After a decade hard work, we had been a integrity manufacture, owned the full automatic abrasives production line, Superhard materials production line and Laser welded line.
We are always focus exclusively on the Creative and Service. We sincerely hope can supply the most appropriate service and products to you!

Raw material cost advantages:

Sino abrasives limited are cooperated with the best partners including international suppliersand domestic suppliers:3M, NCA BUFFALO, CUMI, SINOMACH, ZHONGNAN, ZZSM and so on.

Quality supervise system
We firmly believe that management is the first productive force. Sino abrasives limited had been certificated by ISO 9001 at 2009.
Meanwhile, we had built ourselves quality management system- Smart system. Advanced chemical analysis equipment, scientific quality control methods, strict management system had ensured we can do standardized regulation and information records for daily work: it starts from rawmaterials, to production, to the finished product testing and so on.

Our Customers

 

FAQ

1. Are you are a manufacturer?

A: Yes, we have our own factory, and have excellent research team, and strict quality inspection procedures. We will sure don't
have middleman. Also welcome you visit our factory.

2. What about your quality?

A: We have strict quality inspection procedures, and each of our ner products have been tested before launching it in the market.

3. Can you provide samples?

A: Yes, we can provide samples for you, yet the express fee need be paid by you.

4. If you don't have the size I need, can I have a requirement?

A: Yes, if the size you need we don't have, we can manufacturer as your requirement. It will have a minimum order.


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