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Home Toolbuy Products Good Quality 4241 HSS Twist Drill Size 3.5mm Cordless Drill

Good Quality 4241 HSS Twist Drill Size 3.5mm Cordless Drill

Good Quality 4241 HSS Twist Drill Size 3.5mm Cordless Drill
Price: Negotiable/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 1/Piece
Pay Type: L/C,T/T,Western Union

HSS Dual-end twist drill

 
Fabrication process: rolling (twist forging)/milling(grinding)/polishing

Application:drlling on all kinds of work material:cast iron, #45 steel, free-cutting steel,general steel,alloy steel, copper alloy,aluminum alloy,graphite, wood , glass fiber,cement...etc
 
Coating:titanium coating /black coating/white coating.



The advantage of our company:
 
 Professional equipment for twist drill production

Fully scale detection equipment 

standard warehouse

The advantage of our producuts:

Advantages: cutting and milling portions integrally formed, superior surface finish, stable dimension, effectively reduce the friction coefficient, improve process efficiency.

Cutting edge: take  chisel edge truing and dressing, stable cutting, good drill centering with high precision; big spiral angle and apex angle design to reduce axial resistance, reduce cutting force, high process efficienc.

Flute: big polished flute design for smooth chip evacuation.

Shank: take friction welding technology, shank securely weld.


 
                                                                               Grade:M2(6542),4241,4341,M35

 

HSS GRADE
HRCCHEMICAL COMPOSITION (%)InternationalDINASTMJIS


CWMoCrV



W4Mo2Cr4V(4241)60-620.9-1.01.5-2.50.5-1.23.8-6.00.5-1.0T-4241///
W4Mo3Cr4V(4341)62-650.88-0.983.5-4.52.5-3.53.8-4.41.3-1.74341W4//
W6Mo5Cr4V2(M2)63-660.8-0.95.5-6.754.5-5.53.8-4.41.75-2.26542M2M2SKH51
W6Mo5Cr4V2Co5(M35)64-670.9-0.955.5-6.54.5-5.53.8-4.41.75-2.2Co:4.50-5.50M35M35SKH55

               
                                                                                  Size parameter table
 


Diameter

Full length
 
Blade length

Diameter

Full length
 
 Blade  length

Full length

Blade length
2387.54.75815.57423.6
2.1387.54.862177925
2.2387.54.962177925
2.3387.5562177925
2.4387.55.162177925
2.5439.55.262177925
2.6439.55.362177925
2.74610.65.466197925
2.84610.65.566197925
2.94610.65.666197925
34610.65.766197925
3.14911.25.866198425
3.24911.25.966198425
3.254911.2666198425
3.34911.26.1721.28425
3.45212.56.2721.28425
3.55212.56.3721.28425
3.65212.56.4721.28425
3.75212.56.5721.28425
3.855146.6721.28425
3.955146.7721.28425
455146.87423.68425
4.155146.97423.68925
4.2551477423.68925
4.35815.57.17423.68925
4.45815.57.27423.68925
4.55815.57.37423.6

4.65815.57.47423.6


 
Kindly Remind: all kinds size depends on your needs.
 

 
Prod Model: LFJS
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Classification: Impact Drill
Applications: Building and Industrial
Impact Drill Head: Impact Drill
Drill Shape: Round
Condition: New
Specification: 2.5mm to 13mm
Various Size Can Be Your Choose: Double End HSS Twist Drill Bits
HRC: 60-67
Chemical Composition: C, W, Mo, Cr, V
Type: Impact Drill
Changsha Langfeng Metallic Material Co., Ltd, founded in 2009 Changsha Long-ping High-Tech Park, is an patent-owning firm specializing in metal carbide powders' research, production and sale.

With 100 sets of various manufacturing equipments covering the process of raw material mixing, carbonization, sintering, grinding, sieving, mixing and packing, the group distinguishes itself also by 182 workers and 2 academician in engineering material from Chinese Academy of Science. Furthermore, we established technical support relationship with Powder Metallurgy Research Institute of Central Sounth University and Changsha Research Institute of Mining And Metallurgy.

Our products: Metal carbide powder, multiple carbide powder, compound powder, Ti(C, N) Based cermet, Tungsten carbide tile cutter, glass cutter wheel, planetary ball mill, industrial microwave furnace.

Our goal:

In the next five years, we face the task of expanding investment of US$80 million. In 2023, a new R&D base for new materials will be established, and sales revenue goal is US$10 billion.

Company culture:

Vision: Driving force in technical progress

A world leader in the field of new materials

Mission: Create value for the whole world

Operation idea: Good faith, high quality, innovation, win-win

Serve concept: Warm, excellent, quick and considerate services.

Spirit: Never give up, Never stop

Team work, make dream come true;

Value: Quality win honor, service win reputation;

Responsibility: Create value for customers, set up developing stage for staff.

We guaranteed products at a competitive price and high quality. At present, our products have a very good sale in domestic and overseas market. We wish to cooperate with you to create a bright future and mutual benefit. Much appreciation for your prompt attention in advance, we are eager to look forward to hearing from you soon.

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  • Changsha Langfeng Metallic Material Co., Ltd.

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