Mirror-Polished 2-Flute Solid Carbide Twist Drill for Aluminum
Consistent Quality
Consistent geometry across repeat orders.
Гибкие заказы
Small batches and mixed sizes available.
OEM Support
Custom marking, labels and packaging.
Стандартные и индивидуальные
Standard sizes and custom configurations.
Mirror-Polished Carbide Twist Drill
This mirror-polished 2-flute solid carbide twist drill is designed for precision CNC drilling in aluminum and aluminum alloys. Sharp cutting edges, highly polished flutes and generous chip space help reduce adhesion, built-up edge and flute blockage while supporting accurate hole size and clean surface finish. Standard 3×D and 5×D sizes are available, while diameter, length, point geometry, polishing, marking and packaging can be reviewed for custom or OEM requirements.
Key Configuration
ISO N Cutting Geometry
A sharp point and aluminum-specific edge preparation help reduce thrust, rubbing and burr formation.
Two Polished Spiral Flutes
Generous chip space and smooth functional surfaces support the evacuation of long, soft aluminum chips.
3×D and 5×D Series
Standard depth configurations cover common through-hole and blind-hole drilling requirements.
Key Product Advantages
Workpiece Material Compatibility
Applications & Target Scope
- Precision holes in aluminum automotive and aerospace components
- Housings, heat sinks, profiles and structural frames
- Valve, pump and general machinery components
- Blind-hole and through-hole drilling in wrought aluminum alloys
- Batch CNC drilling where chip evacuation and surface finish are important
Product & Cutting-Edge Details
Tool Nomenclature & Dimensions
Standard dimensional parameters and technical nomenclature for mirror-polished 2-flute solid carbide twist drills for aluminum.
Technical Configuration
Standard construction and available configuration details for this aluminum drill series.
Standard Size Matrix
Reference 3×D and 5×D configurations. D is cutting diameter, L1 is flute length and L is overall length. Dimensions are in millimetres.
| d1 | 3D L1 | 3D L | 5D L1 | 5D L |
|---|---|---|---|---|
| 3 | 20 | 62 | 28 | 66 |
| 4 | 24 | 66 | 36 | 74 |
| 5 | 28 | 66 | 44 | 82 |
| 6 | 28 | 66 | 44 | 82 |
| 7 | 34 | 79 | 53 | 91 |
| 8 | 41 | 79 | 53 | 91 |
| 9 | 47 | 89 | 61 | 103 |
| 10 | 47 | 89 | 61 | 103 |
| 11 | 55 | 102 | 71 | 118 |
| 12 | 55 | 102 | 71 | 118 |
| 13 | 60 | 107 | 77 | 124 |
| 14 | 60 | 107 | 77 | 124 |
| 15 | 65 | 115 | 83 | 133 |
| 16 | 65 | 115 | 83 | 133 |
| 17 | 73 | 123 | 93 | 143 |
| 18 | 73 | 123 | 93 | 143 |
| 19 | 79 | 133 | 101 | 153 |
| 20 | 79 | 133 | 101 | 153 |
L1 is the flute length, not the maximum blind-hole depth. Reserve space for the drill point and chip evacuation.
Aluminum Drilling Guidance
- Continuous Feed: Avoid rubbing and dwell, which can increase built-up edge.
- Direct Lubrication: Aim coolant or lubricant toward the drill point and flute entrance.
- Chip Monitoring: Check chip curling and flute wrapping during initial trials.
- Controlled Pecking: Use pecking only when continuous chip evacuation cannot be maintained.
Recommended Starting Cutting Parameters
General starting values and detailed application parameters are available in our technical guide.
Solid Carbide Drill Cutting Data Guide
Access starting speeds and feeds for product selection and aluminum drilling trials.
Drilling Product Family Overview
Select the matching configuration according to drilling depth and aluminum application requirements.
HY-AL-3D Series
Short Drilling
HY-AL-5D Series
Medium-Depth Drilling
DLC-Coated Series
Wear-Resistant Option
For additional sizes and related drill series, View the Solid Carbide Drill Catalog. Custom dimensions can be reviewed according to your drawing or application requirements.
Mirror-Polished Aluminum Drill Customization
Cutting diameter, flute length, aluminum-specific point form, mirror-polished flute surfaces and sharp edge preparation can be configured for low-friction aluminum drilling. Coating or uncoated selection is matched to the alloy and lubrication method.
Mirror-Polished Geometry & Sharp Edge Preparation
High-positive geometry, polished chip surfaces, web thinning and sharp cutting edges can be configured to reduce adhesion and support clean chip evacuation.
Diameter & Length Options
Metric, fractional-inch and non-standard diameters can be configured with standard or drawing-defined flute, shank and overall lengths.
Услуги по производству под брендом OEM и под частной торговой маркой
OEM manufacturing and private-label supply options for aluminum-component manufacturers, industrial distributors and non-ferrous tooling brands.
Laser Etching
Custom laser marking for logos, tool codes, diameter specifications, coating identification and batch numbers.
Custom Packaging
Individual protective tubes, diameter labels, multi-pack boxes, custom inserts and private-label packaging options.
Commercial Terms
Flexible MOQ options for standard configurations, custom sizes, trial orders and scheduled repeat supply.
Technical Workflow
Inquiry
Submit the aluminum grade, hole dimensions, finish target, lubrication and quantity.
Engineering
Point form, polished flutes, edge sharpness and coating selection are reviewed.
Commercial
Quotation, MOQ, production schedule and delivery terms are confirmed.
Production
Precision grinding, mirror polishing, optional coating and identification.
Quality Control
Diameter, polished surfaces, edge condition, runout and coating are inspected.
Inspection & Quality Control
Drill dimensions, cutting-edge geometry and visible surface condition are checked according to the confirmed product specification and application requirements.
Protective Packing for Shipment
Finished drills are protected individually before batch labeling and export-carton reinforcement.
Individual Tool Protection
Each drill is individually protected in a plastic tube to reduce contact damage during storage, handling and transportation.
Batch & Label Verification
Tools are grouped and labeled by specification to support order verification before carton packing.
Export Carton Protection
Batch packaging, cushioning materials and reinforced export cartons are selected according to the order quantity and shipping method.
Reference Lead Time
The following timeframes are general references. Availability and production scheduling are reviewed for each order.
Shipping Options
Shipping arrangements can be selected according to order size, delivery schedule and destination.
Product FAQs
Product-specific information about aluminum applications, mirror-polished flute geometry, available configurations, coolant selection and customization for this solid carbide twist drill.
What materials is this drill designed for?
This drill is primarily designed for aluminum and aluminum alloys. It can also be configured for copper, brass and selected non-ferrous materials where low cutting resistance, clean hole quality and reliable chip evacuation are required.
What are the benefits of the mirror-polished flutes?
The mirror-polished flute surface reduces friction and helps prevent soft aluminum chips from adhering to the flute walls. This supports smoother chip evacuation, less built-up edge and more consistent hole quality during production.
Why is a 2-flute geometry suitable for aluminum drilling?
The 2-flute geometry provides sufficient flute space for evacuating the larger and more continuous chips produced when drilling aluminum. Its sharp cutting edges also help reduce cutting resistance, burr formation and material adhesion.
What sizes and drilling depths are available?
Standard and custom diameters can be supplied according to the product series. Common 3D and 5D configurations are available, while the diameter, flute length, overall length, shank dimensions and drilling depth can be reviewed for custom orders.
Is an uncoated or DLC-coated drill better for aluminum?
A mirror-polished uncoated drill is suitable for many general aluminum applications because it maintains a sharp cutting edge and low-friction flute surface. A DLC-coated version can be selected when improved wear resistance, reduced material adhesion or longer tool life is required.
What coolant method is recommended?
External coolant, minimum-quantity lubrication or air assistance can be selected according to the aluminum grade, hole depth and machine setup. The coolant method should provide sufficient lubrication and chip evacuation while reducing chip adhesion at the cutting edges.
What information is required for a quotation?
Please provide the required diameter, drilling depth, flute length, overall length, aluminum grade, coating preference and estimated quantity. A drawing or tool sample is recommended for custom dimensions or non-standard geometry.
Ordering & OEM FAQs
General information for trial orders, mixed-size purchasing, private labeling and production scheduling.
Do you accept small trial orders?
Yes. Small sample or trial orders are welcomed for evaluating chip evacuation, hole quality, cutting stability and tool life before committing to volume purchasing.
Can mixed sizes be ordered together?
Yes. Standard and custom sizes can be combined in one order when the geometry, production and coating requirements are compatible. Mixed-size purchasing is suitable for distributors, wholesalers and batch inventory planning.
Can the dimensions and drill geometry be customized?
Yes. The cutting diameter, flute length, overall length, shank diameter, point geometry, flute profile and edge preparation can be reviewed according to the workpiece material, hole requirements and customer drawing.
Is OEM laser marking available?
Yes. Custom shank laser marking such as logo, model number, specifications or batch identification can be reviewed together with OEM labels, individual tool protection and branded packaging requirements.
What is the typical production lead time?
Standard stock items normally have a shorter lead time, while custom dimensions, DLC coating and special OEM orders require additional production time. The exact schedule is confirmed according to specification, quantity, coating and current production capacity.
Downloads & Technical Resources
Access product dimensions, series information and starting cutting data for product selection and aluminum drilling application review.
Need Sizes, Pricing or Custom Options?
Send us the required tool type, sizes, quantities, workpiece material and any OEM or custom requirements. We will confirm suitable specifications, availability, lead time and quotation details.
Drawings, size lists and reference photos are welcome.
