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Drilling & Boring

EadeTech is a China-based specialty metal machining manufacturer specializing in high-performance materials, including Titanium alloys, Nickel superalloys, Tantalum, Niobium, Tungsten, and Molybdenum. We provide precision CNC drilling and boring services for aerospace, medical, electronics, automotive, and industrial clients worldwide. From single prototypes to small-batch production, our team delivers high-precision holes, bores, and complex internal geometries with tight tolerances and superior surface quality.

Learn more about our capabilities at https://www.eadetech.com.


Why CNC Drilling & Boring?

CNC drilling and boring are critical processes for creating accurate holes, threads, and bores in components made from hard-to-machine materials. These processes ensure:

  • Dimensional accuracy for assembly and mating parts

  • High repeatability for aerospace and medical applications

  • Smooth surface finishes in holes and bores to meet functional requirements

At EadeTech, we specialize in challenging materials, where factors like low thermal conductivity, high hardness, and work hardening require advanced process planning. Our engineers optimize tool geometry, spindle speed, feed rate, and coolant strategy for each material.


Capabilities of EadeTech CNC Drilling & Boring

  • CNC drilling and boring centers with multi-axis capabilities

  • Tight tolerances up to ±0.005 mm

  • Surface finishes as low as Ra 0.2 µm

  • Materials handled: Titanium, Nickel superalloys, Tantalum, Niobium, Tungsten, Molybdenum

  • Batch flexibility: Single prototypes to small-batch production


Table 1: Material Properties & CNC Drilling/Boring Parameters

MaterialHardness (HRC)Cutting Speed (m/min)Feed Rate (mm/rev)Tool TypeCoolant
Ti‑6Al‑4V3620–400.05–0.2CarbideFlood coolant
Inconel 718408–200.03–0.1Coated carbideHigh-pressure coolant
Tantalum95 HRB5–150.02–0.08CarbideOil-based coolant
Tungsten90 HRB3–100.01–0.05Polycrystalline diamond (PCD)Specialized coolant

Applications of CNC Drilling & Boring

  1. Aerospace Components

    • Engine housings, turbine casings, and structural brackets

    • Deep bores and precision threads for fasteners

  2. Medical Devices

    • Implant holes, surgical tool channels, and prosthetic components

    • Biocompatible materials with tight tolerances

  3. Industrial Equipment

    • Hydraulic manifolds, die molds, and valve bodies

    • Precision internal geometries for wear-resistant metals

  4. Automotive & Electronics

    • Engine components, electronic housings, and precision connectors

    • Lightweight Titanium and high-strength Nickel alloys


Table 2: Drilling & Boring Dimensional Capabilities

MaterialMax Hole Depth (mm)Min Hole Diameter (mm)Typical ToleranceSurface Finish (Ra µm)
Ti‑6Al‑4V4001.0±0.0050.2–0.4
Inconel 7183000.8±0.010.3–0.6
Tantalum2000.5±0.0150.4–0.8
Tungsten1500.5±0.020.5–1.0

Advanced CNC Drilling & Boring Techniques

  1. Deep Hole Drilling

    • High-precision deep holes with low deflection

    • Specialized tools and high-pressure coolant to remove chips efficiently

  2. Boring for High Precision

    • Enlarging existing holes to achieve tight tolerances and surface finishes

    • Ensures concentricity and roundness for critical components

  3. Threaded Holes & Tapped Features

    • Internal threading for aerospace and industrial fasteners

    • Controlled cutting parameters to avoid thread distortion

  4. Multi-Axis Drilling

    • Enables complex hole patterns and angled bores in a single setup

    • Reduces secondary operations and maintains high precision


Table 3: CNC Drilling & Boring Equipment Capabilities

Machine TypeMax Spindle Speed (RPM)Max Hole Depth (mm)Tool StationsKey Features
5-axis boring & drilling center500040012Multi-angle holes, deep bores
Multi-spindle CNC drill40003008High-volume precision holes
Micro-drilling machine20000506Electronics, medical components
Heavy-duty boring machine250060010Aerospace shafts & housings

Quality Assurance & Inspection

EadeTech emphasizes precision, repeatability, and trust. We employ advanced metrology equipment to inspect holes and bores, including:

  • CMM (Coordinate Measuring Machines) for depth and diameter

  • Bore gauges for roundness and concentricity

  • Surface roughness testers for internal finish

  • Thread gauges for tapped features


Table 4: CNC Drilling & Boring Inspection Standards

Measurement TypeTool/MethodToleranceInspection Frequency
Hole DiameterBore gauge / CMM±0.005 mm100% holes
DepthDepth micrometer / CMM±0.01 mm100% holes
Thread AccuracyThread gauge±0.01 mm100% threads
Surface FinishRa tester0.2–0.6 µm10% batch

Prototyping & Small-Batch Production

EadeTech supports rapid prototyping and small-batch production for drilling and boring:

Table 5: Prototype & Small Batch Drilling/Boring

MaterialPrototype QtySmall Batch QtyLead TimeToleranceSurface Finish
Ti‑6Al‑4V1–510–501–3 weeks±0.01 mm0.3–0.6 µm
Inconel 7181–520–1002–4 weeks±0.015 mm0.4–0.8 µm
Tantalum1–35–503–5 weeks±0.02 mm0.4–0.8 µm
Tungsten1–25–203–6 weeks±0.02 mm0.5–1.0 µm

Prototypes allow process validation and ensure material compatibility before full production.


Challenges in Drilling & Boring Hard Materials

Machining Titanium, Nickel superalloys, and refractory metals requires strategies to address:

  • Low thermal conductivity causing heat accumulation

  • Work hardening in Nickel alloys

  • High tool wear with carbide and PCD tools

EadeTech solutions include:

  1. Optimized spindle speed, feed rate, and depth-of-cut

  2. Specialized tooling: carbide, coated carbide, and PCD

  3. High-pressure and flood coolant strategies

  4. Stepwise boring passes for deep holes


Table 6: Tool Wear & Optimization for Drilling/Boring

MaterialTool TypeTool Life (min)Cutting StrategyCoolant
Ti‑6Al‑4VCarbide120–180Low feed, high spindleFlood coolant
Inconel 718Coated carbide60–120Stepwise roughing & finishingHigh-pressure coolant
TantalumCarbide90–150Slow feed & adaptive depthOil-based coolant
TungstenPCD30–60Low depth, low feedSpecialized coolant

These approaches reduce downtime, improve part quality, and maintain repeatable results.


Why Choose EadeTech for CNC Drilling & Boring

  • Material Expertise: Titanium alloys, Nickel superalloys, and refractory metals

  • Precision: Tight tolerances up to ±0.005 mm

  • Flexibility: Prototypes to small-batch production

  • Advanced Equipment: Multi-axis drilling, boring, and micro-drilling centers

  • Global Client Base: Aerospace, medical, electronics, automotive, industrial sectors

  • Trusted Resource: Visit https://www.eadetech.com for project insights and capabilities

EadeTech combines advanced engineering, specialized tooling, and strict quality control to deliver precision holes and bores for even the most demanding materials.


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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.

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