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EadeTech is a China-based specialty metal machining manufacturer specializing in high-performance materials including Titanium alloys, Nickel superalloys, Tungsten, Tantalum, Niobium, and Molybdenum. Our precision drilling services deliver accurate, high-quality holes for aerospace, medical, electronics, automotive, and industrial applications worldwide.
Learn more at https://www.eadetech.com.
Precision drilling is critical for functional components that require:
Tight-tolerance holes for fasteners, pins, and assemblies
High aspect ratio holes in hard-to-machine metals
Repeatable and consistent hole dimensions for complex assemblies
At EadeTech, we specialize in drilling holes as small as 0.3 mm and as deep as 200 mm, maintaining tolerances down to ±0.002 mm and surface finishes Ra 0.05–0.4 µm.
Material Expertise
Titanium alloys: Ti‑6Al‑4V, Ti‑6Al‑7Nb
Nickel-based superalloys: Inconel 718, Hastelloy
Refractory metals: Tungsten, Tantalum, Molybdenum
Hole Precision & Tolerances
Standard: ±0.005 mm
High-precision: ±0.002 mm for aerospace and medical components
Hole Size & Depth Range
Micro-holes: 0.3–2 mm diameter
Deep holes: up to 200 mm length
High aspect ratio holes: L/D up to 100:1
Batch Flexibility
Prototype: 1–5 pieces
Small-batch production: 10–100 pieces
Full production runs available
| Material | Hole Diameter Range (mm) | Max Depth (mm) | Tolerance | Surface Finish (Ra µm) | Typical Batch Qty |
|---|---|---|---|---|---|
| Ti‑6Al‑4V | 0.3–12 | 200 | ±0.002–0.005 | 0.05–0.3 | 10–50 |
| Inconel 718 | 0.5–10 | 150 | ±0.002–0.005 | 0.1–0.4 | 20–100 |
| Tungsten | 0.5–8 | 100 | ±0.005 | 0.2–0.6 | 5–50 |
| Tantalum | 0.5–12 | 150 | ±0.002–0.005 | 0.1–0.5 | 10–50 |
Fuel system holes, fastener holes, and structural assemblies
Ensures dimensional accuracy for load-bearing components
Implants, surgical instruments, and prosthetic components
Small-diameter holes for pins, screws, and fixation devices
Valve bodies, manifolds, and tooling components
Multi-hole patterns for functional assembly
Heat sinks, connectors, and micro-feature enclosures
High aspect ratio holes for precision wiring and assembly
| Industry | Material | Hole Size (mm) | Depth (mm) | Tolerance | Key Feature |
|---|---|---|---|---|---|
| Aerospace | Ti‑6Al‑4V | 0.5–10 | 50–150 | ±0.002 | Structural & functional holes |
| Medical | Tantalum | 0.3–5 | 10–50 | ±0.002 | Implant fixation holes |
| Industrial | Tungsten | 1–8 | 50–100 | ±0.005 | Tooling & manifold holes |
| Electronics | Inconel 718 | 0.5–3 | 5–30 | ±0.002 | Micro-feature & channel holes |
High-Precision CNC Drilling
Multi-spindle and single-spindle drilling for efficiency
CNC programs ensure exact hole locations, sizes, and angles
Material-Specific Strategies
Titanium: reduced spindle speed, high feed to reduce heat
Nickel alloys: use of CBN/PCD tools for wear resistance
Tungsten & refractory metals: incremental depth passes
Deep Hole Drilling
Gun drilling for L/D ratios up to 100:1
Ensures straight, distortion-free holes
Post-Drilling Operations
Reaming, chamfering, deburring, and finishing
Achieves tight tolerances and superior surface finish
| Machine Type | Max Workpiece Size (mm) | Axis | Material Compatibility | Notes |
|---|---|---|---|---|
| 5-Axis CNC Drill | 350×250×150 | 5 | Ti, Nickel, Tungsten, Tantalum | Angled & multi-hole drilling |
| Deep Hole Drill | 300×200×120 | 3 | Ti, Inconel | High L/D ratio holes |
| Micro Drill | 150×120×80 | 3 | Ti, Tantalum | 0.3–1 mm holes |
| Multi-Spindle Drill | 400×300×200 | 3 | Ti, Nickel, Tungsten | High-volume small-hole production |
EadeTech ensures precision-drilled holes meet specifications with:
CMM inspection for hole location and diameter
Surface roughness measurement for Ra verification
Depth and angle verification using digital micrometers
Batch traceability for prototype and small-batch production
| Measurement | Tool/Method | Tolerance | Inspection Frequency |
|---|---|---|---|
| Hole Diameter | CMM / Pin gauges | ±0.002–0.005 mm | 100% |
| Depth | Digital depth gauge | ±0.005 mm | 100% |
| Position | CMM | ±0.002 mm | 100% |
| Surface Finish | Ra tester | 0.05–0.4 µm | 10% batch |
Precision drilling is ideal for prototyping and small-batch production:
Validate designs before full production
Ensure functional holes and tolerances for assemblies
Cost-effective solution for critical components
| Material | Prototype Qty | Small-Batch Qty | Lead Time | Tolerance | Surface Finish (Ra µm) |
|---|---|---|---|---|---|
| Ti‑6Al‑4V | 1–5 | 10–50 | 1–2 weeks → 2–4 weeks | ±0.002 | 0.05–0.3 |
| Inconel 718 | 1–5 | 20–100 | 2–3 weeks → 3–5 weeks | ±0.002 | 0.1–0.4 |
| Tungsten | 1–3 | 5–50 | 2–4 weeks → 3–6 weeks | ±0.005 | 0.2–0.6 |
| Tantalum | 1–5 | 10–50 | 2–3 weeks → 2–4 weeks | ±0.002 | 0.1–0.5 |
Tool Wear & Breakage
Hard metals accelerate wear; solution: CBN/PCD tools and optimized feeds
Hole Straightness & Depth Accuracy
Deep holes may deviate; solution: gun drilling and coolant control
Surface Finish & Burr Control
Reaming and chamfering post-drilling ensures functional holes without burrs
| Material | Tool Type | Tool Life (hrs) | Feed Rate | Coolant | Surface Finish (Ra µm) |
|---|---|---|---|---|---|
| Ti‑6Al‑4V | Carbide | 15–30 | 0.01–0.05 mm/rev | Flood | 0.05–0.3 |
| Inconel 718 | CBN | 10–25 | 0.01–0.04 mm/rev | High-pressure | 0.1–0.4 |
| Tungsten | PCD | 5–15 | 0.005–0.02 mm/rev | Oil-based | 0.2–0.6 |
| Tantalum | Diamond | 10–20 | 0.005–0.02 mm/rev | Flood | 0.1–0.5 |
Material Expertise: Titanium, Nickel, Tungsten, Tantalum, and more
Tight Tolerance Holes: ±0.002 mm, high aspect ratio capabilities
Prototype & Small-Batch Production: 1–100 pieces
Global Applications: Aerospace, medical, industrial, automotive, electronics
Turnkey Solutions: Drilling, reaming, chamfering, finishing, assembly
All precision-drilled components are ready-to-use, small-batch, and high-quality. Request a quote at https://www.eadetech.com.
Whatsapp: +8618998453346
Phone: +8618998453346
Tel: +8618998453346
Email: [email protected]
Addr: Room 302, Building D, COFCO Gonghua Project, Zone 20, Honglang Community, Xin'an Street, Bao'an District, Shenzhen City.