6.1-8mm 5xd DIN Solid Carbide Drill with No Coolant Holes Tisin Carbide Drill Bits for Hardened Steel

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Product Description

Solid Carbide Drill Bits
High-performance solid carbide twist drills 3xD 5xD 8xD 12xD 20xD cemented carbide spiral drill with external coolant holes for metal drilling
Basic Info.
Model NO. drilling tools
Length Taper-length
Type Twist Drill Bit
Material Tungsten Carbide
Usage Wood Drilling, Metal Drilling
End Type Spiral
Workpiece Material Steel/Cast Iron/Stainless Steel
Flute 2/3flutes
Color Tisin/Bronze
HRC 45/55/60/65HRC
Diameter 3-20mm
Service OEM/ODM Available
Related Products Spot Drill/Chamfer Drill/Center Drill/Step Drill
Applicable Machines CNC Centers/Engraving Machines
Transport Package 1 PC in a Plastic Tube, 10PCS a Group
Specification Standard&Customized
Origin China
HS Code 8207509000
Production Capacity 5000000PCS/Year
Packaging & Delivery
Package Size 12.00cm * 3.00cm * 3.00cm
Package Gross Weight 0.050kg
Why Choose Us
  • Imported ultra-fine grain raw material, provides better wear resistance and longer life to the drills.
  • The curved cutting edge reduces cutting forces, thereby decreasing the load on the tool and extending its lifespan.
  • The precise centering tip design ensures accurate and clean holes, leading to precise and dimensionally accurate results.
  • The advanced coating protects the drill from premature wear and maximizes its lifespan under various working conditions.
  • Diameter from 3 mm to 20 mm, suitable for different type of machining.
  • The drill impresses with its exceptional versatility and efficiency in processing a variety of materials, including steel, stainless steel, cast iron, heat-resistant super alloys, and titanium.
These outstanding features make our drills the ideal choice for diverse industrial drilling applications where precision, efficiency, and durability are required.
Product Parameters
Parameter Specification Details
Standard DIN6535HA/DIN6537K
Drill type Carbide twist drills
Max. drilling depth 3xD 5xD 8xD 12xD 20xD
Helix angle 30 Degree
Point Angle 140 Degree
Coolant supply External
Flutes 2 Flutes, 3flutes available
Coating AlTiN/TiSiN/NACO BLUE
Shank shape Cylinder shank without clamping surface
Size Range 3-20mm/Customization available
Introduction of the Coating
HRC Coating Color HV μm Friction The Max °C
HRC45 AITin black 3300 1-4 0.7 850°C
HRC55 TiSiN bronze 3400 1-4 0.7 900°C
HRC60 AlCrSiN black 4000 1-7 0.35 1100°C
HRC65 nACo 3 Blue blue 4500 1-7 0.45 1200°C
Product Description
Carbide Drill Bit Details 1
Carbide Drill Bit Details 2
Carbide Drill Bit Details 3
Carbide Drill Bit Details 4
Carbide Drill Bit Details 5
Detailed Photos
Detailed Drill Photo 1
Detailed Drill Photo 2
Packaging & Shipping
Packaging Box Option
Shipping Arrangements
Manufacturing Capabilities

Our manufacturing facility has more than 20 years' experience in manufacture, design and sale of various kinds of carbide products, especially carbide cutting tools and carbide non-standard shaped tools. The company has ISO 9001:2008 quality system, possesses advanced production equipment, complete testing instruments, strong R&D center, and QC team. Over the decade, we have actively collaborated with researchers and universities to enhance the carbide tools design and tool life, successfully helping our customers to reduce their cost and gain more market share. Our mission and vision are to help customers solve their business needs by providing a One-Stop Procurement peace of mind solution with various tungsten carbide materials and carbide tools to all customers all over the world.

Factory Workshop
Quality Inspection Equipment
FAQ
1 Are you a manufacturer or trading company?
We are a professional manufacturer with more than 21 years of experience in this field of carbide tools.
2 When can I get the price quotation?
We usually quote within 24 hours after receiving your inquiry. If you need a quotation urgently, please let us know so we can prioritize your request.
3 What are your accepted payment terms?
We accept T/T, Western Union, and secure platform trade assurance under different circumstances.
4 What shipping and delivery methods are available?
Express delivery (DHL, TNT, FEDEX, EMS), air shipping, and sea shipping are available upon request.
5 Do you offer OEM custom manufacturing services?
Yes, we do. We have laser engraving equipment to mark your custom logo and tool specifications on the body of the tools. We can also print customized designs on the plastic packaging boxes.
6 What is the typical delivery timeframe?
Typically, delivery takes 2 to 3 days after receiving advance payment. For custom or tailored products, the delivery window is 7 to 10 days after receiving advance payment.

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