Dohre CNC High Quality Tungsten Steel Carbide Drill Bits For Aluminum

Product Description

This solid carbide drill is specially designed for aluminum and non-ferrous metal machining.

By combining ultra-sharp cutting edges, polished flutes, optimized point geometry, and low-friction coating options, it delivers excellent chip evacuation, high drilling efficiency, and superior hole surface quality.

Ideal for high-speed drilling, mass production, and applications where surface finish and chip control are critical.

Product Name	Drill Bit for Aluminum
Material	Solid carbide
Process	Fully Gorund (Roll Forged & Polished, Roll Forged, Milled are Available)
Size	Standard size or as request
Point Type	118 Degree Regular Point (1-3mm); 138 Degree Split Point(3-20mm)
Shank Type	Straight Shank (Tree Flats Shank, 1/2" Shank Sliver & Deming, Reduced Shank,1/4" Quick Change Hex Shank are Available)
Surface Finish	Amber Color (Bright, Black Oxide, Titanium, Black & Gold, are Available)
Package	Plastic Box or as request

2刃高速钻头

Product Code	Blade diameter	Blade Length H			Full L			Shank D
Product Code	Blade diameter	3XD	5XD	8XD	3XD	5XD	8XD	3XD	5XD	8XD
EXNJ00400	4	24	36	43	66	74	81	6	6	6
EXNJ00450	4.5	24	36	43	66	74	81	6	6	6
EXNJ00500	5	28	44	57	66	82	95	6	6	6
EXNJ00550	5.5	28	44	57	66	82	95	6	6	6
EXNJ00600	6	28	44	57	66	82	95	6	6	6
EXNJ00650	6.5	34	53	76	79	91	114	8	8	8
EXNJ00700	7	34	53	76	79	91	114	8	8	8
EXNJ00750	7.5	41	53	76	79	91	116	8	8	8
EXNJ00800	8	41	53	76	79	91	116	8	8	8
EXNJ00850	8.5	47	61	95	89	103	142	10	10	10
EXNJ00P00	9	47	61	95	89	103	142	10	10	10
EXNJ00950	9.5	47	61	95	89	103	142	10	10	10
EXNJ01000	10	47	61	95	89	103	142	10	10	10
EXNJ01050	10.5	55	71	114	102	118	162	12	12	12
EXNJ01100	11	55	71	114	102	118	162	12	12	12
EXNJ01150	11.5	55	71	114	102	118	162	12	12	12
EXNJ01200	12	55	71	114	102	118	162	12	12	12
EXNJ01250	12.5	60	77	133	107	124	178	14	14	14
EXNJ01300	13	60	77	133	107	124	178	14	14	14
EXNJ01350	13.5	60	77	133	107	124	178	14	14	14
EXNJ01400	14	60	77	133	107	124	178	14	14	14
EXNJ01450	14.5	65	83	152	115	133	204	16	16	16
EXNJ01500	15	65	83	152	115	133	204	16	16	16
EXNJ01550	15.5	65	83	152	115	133	204	16	16	16
EXNJ01800	16	65	83	152	115	133	204	16	16	16
EXNJ01850	16.5	73	93	171	123	143	223	18	18	18
EXNJ01700	17	73	93	171	123	143	223	18	18	18
EXNJ01750	17.5	73	93	171	123	143	223	18	18	18
EXNJ01800	18	73	93	171	123	143	223	18	18	18
EXNJ01850	18.5	79	101	-	131	153	-	20	20	20
EXNJ01900	19	79	101	-	131	153	-	20	20	20
EXNJ01950	19.5	79	101	-	131	153	-	20	20	20
EXNJ02000	20	79	101	-	131	153	-	20	20	20

Product Features

Premium Carbide Substrate

• Manufactured from imported MG-grade carbide rods

• Ultra-fine grain size: 0.8 μm

• 10% cobalt content for excellent toughness

• Optimized balance between sharpness and strength for aluminum machining

The substrate ensures high edge sharpness while maintaining sufficient rigidity at high spindle speeds.

Optimized Geometry for Aluminum Drilling

• High helix angle design for fast chip evacuation

• Sharp point geometry for easy material engagement

• Optimized cutting edge geometry reduces:

• Built-up edge (BUE)

• Material adhesion

• Cutting resistance

• Designed to allow chips to flow smoothly without clogging

This geometry enables stable drilling even at very high cutting speeds.

Polished Flute Design

• Mirror-polished flutes reduce friction during chip evacuation

• Prevents aluminum chips from sticking to the tool

• Improves:

• Hole surface finish

• Cutting efficiency

• Tool life in continuous production

Coating Options for Aluminum

• Uncoated or polished surface for maximum sharpness

• Optional low-friction coating solutions for extended tool life

• Designed to minimize adhesion and heat generation during aluminum machining

The coating strategy focuses on chip release and surface quality, rather than hardness alone.

Application Materials

Suitable for machining:

• Aluminum alloys

• Die-cast aluminum

• Pure aluminum

• Copper and non-ferrous metals

Widely used in:

• Automotive components

• Aerospace parts

• Electronics housings

• General aluminum machining industries

Manufacturing & Quality Control

To ensure consistent performance and reliable quality, every aluminum drill is produced under a fully controlled manufacturing and inspection system.

Precision Edge Preparation Technology

• Cutting edges are finely honed to maintain extreme sharpness

• Controlled edge preparation prevents micro-chipping while avoiding excessive edge rounding

• Automated passivation ensures consistent edge quality across all tools

Advanced Manufacturing Equipment

• Produced on German WALTER 5-axis CNC grinding machines

• High-precision grinding guarantees accurate geometry and smooth cutting edges

• Flexible in-house production supports OEM and custom designs

Strict Quality Inspection & Control

• Geometry inspection using WALTER HELICHECK PLUS

• Profile and radius accuracy controlled within 3 μm

• 100% visual inspection at 300× magnification

• In-house coating equipment ensures stable coating quality when coating is applied

FAQ & Contact Us

Q1: What is this aluminum drill designed for?

A: This drill is specifically designed for aluminum and non-ferrous metal machining, focusing on high-speed drilling, smooth chip evacuation, and excellent hole surface finish.

Q2: Which aluminum materials can this drill be used for?

A: It is suitable for:

•Aluminum alloys

•Die-cast aluminum

•Pure aluminum

•Copper and other non-ferrous metals

The geometry and polished flutes help prevent chip sticking and material adhesion.

Q3: Is this drill suitable for high-speed drilling?

A: Yes. The drill is optimized for high spindle speeds and high feed rates, making it ideal for mass production and high-efficiency aluminum machining.

Q4: Does this aluminum drill require internal coolant?

A: No. This drill performs well with external coolant or air blast, and can also be used in dry or minimum quantity lubrication (MQL) conditions, depending on the application.

Q5: Is the drill coated?

A: The drill can be supplied uncoated. For aluminum machining, uncoated or polished surfaces are often preferred to maximize sharpness and reduce material adhesion.

Q6: What drilling depth is recommended?

A: This aluminum drill is typically recommended for 2×D, 3×D, and up to 5×D drilling depths, where fast chip evacuation and surface quality are critical.

Q7: Can you provide OEM or customized aluminum drills?

A: Yes. We support OEM and customized solutions, including special diameters, lengths, point geometries, flute designs, and coating options based on customer requirements.