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Product Description

 
 

Product Description

Carbide Drills/Coolent Fed Drills
Our company offers high-performance Carbide Drill/Coolent Fed Drill. The advanced coating provides exceptional hardness, wear resistance, and thermal stability, making these tools ideal for processingast Hole-making in mold steelcast iron, stainless steel,and other tough materials. Its presence of internal cooling holes greatly improves cooling efficiency. Spiral groove provides space for chip removal, which improves the smoothness and efficiency of chip removal. Spiral Flutes and chip removal groove are mainly used for chip removal during machining, so as to improve the quality of the machined hole surface and machining efficiency. Compared with the traditional twist drills, the carbide coolent fed drill point is improved in the geometry of the drill to adapt to the milling of high hardness materials to improve the cutting performance and efficiency.
Suitable for machining
Hole-making in mold steelcast iron, stainless steel,and other tough materials.
Main feature
Produced with ultra-fine graintungsten steel;
Extra-large flute for enhancedchip evacuation andefficient cooling;
Round arc back angle drill tipfor fast cutting and strongchip breaking;
Featuring imported ALTIN coating.

 

Detailed Photos

 

Product Parameters

Sizes

d	D	l	L
Shank Dia.(mm)	Cutting Dia.(mm)	Cutting Length (mm)	Total Length (mm)
5	4-4.95	24	66
6	5-6	28	66
7	6.05-6.95	34	79
9	7-8	41	79
9	8.05-8.95	47	89
11	10.05-10.95	55	89
12	11-12	55	102
14	12.05-14	60	107
16	14.5-16	65	115
18	16.5-18	73	123
20	18.5-20	79	131
4	3-3.6	28	66
4	3.7-4	36	66
6	4.1-4.7	36	74
6	4.8-6	44	82
8	6.1-8	53	91
10	8.1-10	61	103
12	10.1-12	71	118
14	12.1-14	77	124
16	14.5-16	83	133
18	16.5-18	93	143
20	18.5-20	101	153

Introduction to Carbide Drills

Carbide drills are high-performance cutting tools designed for precision drilling in a wide range of materials, including metals, composites, plastics, and wood. Made from tungsten carbide, these drills offer exceptional hardness, wear resistance, and heat tolerance, making them ideal for demanding industrial applications.

Whether you're working in aerospace, automotive, mold-making, or general machining, carbide drills provide faster cutting speeds, longer tool life, and better hole quality compared to traditional high-speed steel (HSS) drills.

 

Key Features & Benefits

1. Superior Hardness & Wear Resistance

• Made from tungsten carbide (WC), one of the hardest materials available.

• Resists abrasion and maintains sharp cutting edges longer than HSS drills.

• Ideal for machining hardened steels, stainless steel, cast iron, and titanium.

2. High-Speed Performance

• Can operate at 2-3x higher speeds than HSS drills.

• Reduces cycle times and increases productivity in CNC machining and mass production.

3. Excellent Heat Resistance

• Withstands high temperatures without losing hardness.

• Reduces the risk of tool failure due to overheating.

4. Precision-Ground Geometry

• Engineered with optimized flute designs for efficient chip evacuation.

• Split-point or self-centering tips minimize walking and improve hole accuracy.

• Available in standard, parabolic, and deep-hole flute designs for different applications.

5. Versatile Applications

• Suitable for drilling:

  • Metals (steel, aluminum, stainless steel, titanium, Inconel)

  • Composites & Plastics (carbon fiber, fiberglass, Delrin)

  • Wood & Hardwoods (with specialized geometries)

6. Multiple Coating Options for Enhanced Performance

• TiN (Titanium Nitride) - General-purpose coating for increased wear resistance.

• TiAlN (Titanium Aluminum Nitride) - Best for high-temperature applications.

• TiCN (Titanium Carbo-Nitride) - Higher hardness than TiN, ideal for abrasive materials.

• Diamond Coating - For non-ferrous metals and composites.

 

Types of Carbide Drills

1. Solid Carbide Drills

• Made entirely of tungsten carbide for maximum rigidity.

• Best for high-precision drilling in small to medium diameters (0.5mm - 20mm).

• Used in CNC machining centers, lathes, and milling machines.

2. Carbide-Tipped Drills

• Feature a carbide cutting edge welded to a steel body.

• Cost-effective solution for larger diameters.

• Common in heavy-duty drilling applications.

3. Indexable Carbide Insert Drills

• Use replaceable carbide inserts for easy maintenance.

• Ideal for large-diameter holes (12mm and above).

• Reduce tooling costs by replacing only the inserts instead of the entire drill.

4. Micro Carbide Drills (Under 1mm)

• Ultra-fine drills for precision holes in electronics, medical devices, and jewelry.

• Require high spindle speeds and rigid setups.

 

Recommended Applications by Industry

Aerospace

• Drilling titanium, Inconel, and carbon fiber composites.

• Requires high feed rates and precision hole tolerances.

Automotive

• Engine blocks, cylinder heads, and transmission components.

• High-volume production with minimal tool changes.

Mold & Die Making

• Hardened steel and pre-hardened mold materials.

• Deep-hole drilling with parabolic flutes for chip control.

General Machining & Metalworking

• Stainless steel, aluminum, and exotic alloys.

• Used in CNC machining centers, lathes, and drill presses.

 

How to Select the Right Carbide Drill?

1. Material Being Drilled

• Soft metals (aluminum, copper): Use sharp, polished flutes with high helix angles.

• Hard metals (stainless steel, titanium): Choose drills with reinforced tips and heat-resistant coatings.

• Composites & plastics: Select drills with polished edges to prevent delamination.

2. Drill Diameter & Depth

• Small holes (0.5-3mm): Solid carbide drills with coolant-through options.

• Medium holes (3-12mm): Standard or parabolic flute designs.

• Large holes (12mm+): Indexable insert drills for cost efficiency.

3. Coating Selection

• TiN: General-purpose for most materials.

• TiAlN: High-speed machining of tough alloys.

• Diamond Coating: Best for non-ferrous metals and graphite.

4. Coolant Requirements

• Through-coolant drills: Improve chip evacuation in deep-hole drilling.

• External coolant: Suitable for standard drilling operations.

 

Maintenance & Best Practices

 Use Proper Speeds & Feeds - Follow manufacturer recommendations to avoid premature wear.
 Ensure Rigid Setup - Minimize vibration to prevent tool breakage.
 Use Coolant When Needed - Extends tool life and improves surface finish.
 Inspect Regularly - Check for chipping, wear, or edge degradation.
 Store Properly - Keep drills in a dry, organized environment to avoid damage.

FAQ

Q1: Are you a factory or trading company? 
A1: We are professional precision tools manufacturer,have more than 30 years experience in this industry. Welcome to visit us!

Q2: Do you produce special cutting tools?
A2: Yes, we provide OEM/ODM service for customers, just send us your design drawings if you have any customized items need to be made. 

Q3: Can the price be reduced for large quantities?
A3: Yes, bigger quantity orders are cheaper.

Q4:  When can I get the reply?
A4: We usually reply within 12 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.

Q5: What is the lead time for mass production?
A5: Generally, It will take 10-15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q6: Is free shipping available?
A6: We don't offer a free shipping service. But we can have a discount if you buy a large number of products.