Material Selection

Machining Materials

We machine 40+ metals and engineering plastics — from commodity aluminium to aerospace-grade titanium and Inconel superalloys.

Metals: 25+ gradesPlastics: 10+ gradesCustom materials on request

Quick Tolerance Reference

FeatureValueNote
Standard Tolerance (Metals)±0.05mm (±0.002")General parts
Precision Tolerance (Metals)±0.01mm (±0.0004")Critical fits
Standard Tolerance (Plastics)±0.1mm (±0.004")General parts
Surface Finish (As-Machined)Ra 1.6μm (63 μin)Default finish
Surface Finish (Fine)Ra 0.4μm (16 μin)On request
Max VMC Part Size600 × 400 × 400 mmLarger via EDM/Wire Cut
Min Feature Size0.5mmDepends on material
ThreadsM1.6 to M100+All standard sizes
M

Metal Materials

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Aluminium Alloys

5 grades
Aluminium 6061-T6

Most popular. Excellent machinability, good corrosion resistance. General-purpose structural parts.

EV housingsBracketsFixtures
Aluminium 7075-T6

Highest strength aluminium. Used in aerospace and defence for lightweight high-load parts.

Aerospace framesDrone componentsDefence hardware
Aluminium 2024-T3

High strength, fatigue resistant. Excellent for aircraft structures and fittings.

Aircraft fittingsStructural panels
Aluminium 5052

Marine grade. Excellent corrosion resistance in saltwater environments.

Marine partsChemical tanks
Aluminium 6063

Superior surface finish. Ideal for electronics enclosures and anodized products.

Electronics housingHeat sinksExtrusions

Stainless Steel

5 grades
SS 304

Standard austenitic stainless. Corrosion resistant, weldable, food safe.

Food equipmentFittingsGeneral industrial
SS 316L

Medical and pharma grade. Superior corrosion resistance with low carbon for welding.

Pharma componentsSurgical toolsMarine
SS 17-4 PH

Precipitation hardened. High strength + good corrosion resistance for aerospace.

Aerospace componentsPump shaftsValve parts
SS 420

High hardness martensitic steel. Used in tooling and moulds.

Mould insertsCutting toolsGauges
SS 630 (17-4 PH)

Hardened via heat treatment. Combines toughness with corrosion resistance.

Defence partsFastenersMedical implants
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Carbon & Tool Steel

5 grades
Mild Steel (EN8)

Versatile carbon steel. Good machinability for general engineering parts.

ShaftsKeysGears
Carbon Steel 4340

High strength alloy steel. Excellent fatigue resistance for heavy engineering.

CrankshaftsGearsEngine parts
Tool Steel H13

Hot work tool steel. Exceptional thermal fatigue resistance for moulds and dies.

Injection mould cavitiesDie casting dies
Tool Steel D2

High chromium cold work tool steel. Excellent wear resistance for punches and dies.

PunchesBlanking diesGauges
EN31 Bearing Steel

High carbon chromium steel for bearings. High hardness and wear resistance.

BearingsBall screwsRollers
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Titanium Alloys

2 grades
Titanium Ti-6Al-4V (Grade 5)

Most widely used titanium alloy. High strength-to-weight ratio for aerospace and medical.

Orthopedic implantsAerospace framesSurgical tools
Titanium Grade 2 (CP)

Commercially pure titanium. Superior corrosion resistance, biocompatible.

Medical devicesChemical processingMarine
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Copper, Brass & Bronze

3 grades
Copper C101

High conductivity copper for electrical and thermal applications.

Heat sinksElectrical contactsRF components
Brass C360

Free-machining brass. Excellent for precision turned parts and fittings.

ConnectorsFittingsValvesWaveguides
Phosphor Bronze

High fatigue resistance and corrosion resistance. Used in springs and bearings.

SpringsBushingsElectrical contacts
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Superalloys & Specialty

3 grades
Inconel 718

Nickel superalloy. Exceptional strength and oxidation resistance at high temperatures.

Turbine bladesJet enginesEnergy components
Hastelloy C-276

Nickel-molybdenum alloy with outstanding corrosion resistance in harsh chemicals.

Chemical processingPharma equipment
Monel 400

Copper-nickel alloy with excellent sea water and acid resistance.

Marine hardwareValvesPumps
P

Engineering Plastics

PEEK

Highest performance engineering plastic. Chemical resistant, biocompatible, replaces metal.

Medical implantsAerospace bracketsChemical valves
Delrin / POM (Acetal)

Excellent dimensional stability, low friction, self-lubricating. Precision parts.

GearsCamsValve bodiesBearings
Nylon 6 / Nylon 66

Good toughness, impact resistance, wear resistance. Versatile engineering plastic.

GearsBushingsFixturesStructural parts
Polycarbonate (PC)

High impact strength and optical clarity. Excellent for covers and housings.

CoversLensesElectronic housings
ABS

Good impact resistance, easy to machine. Popular for prototyping and enclosures.

PrototypesEnclosuresConsumer parts
PTFE (Teflon)

Lowest friction coefficient, excellent chemical resistance. Non-stick applications.

SealsBearingsChemical vesselsPharma parts
UHMW-PE

Ultra-high molecular weight polyethylene. Extreme wear and impact resistance.

Wear platesChute linersFood processing
HDPE

High-density polyethylene. Lightweight, chemical resistant, food safe.

TanksPipingFood equipment
Ultem / PEI

High heat resistance engineering plastic. Used where PEEK cannot be afforded.

Medical traysAerospace interiorElectronic parts
Garolite / G10

Fiberglass epoxy laminate. High dielectric strength for electrical applications.

PCB substratesElectrical insulatorsJigs

Surface Finishes Available

As-Machined

Standard finish. Ra 1.6μm. Tool marks visible. Most economical.

Bead Blast

Uniform matte texture. Removes tool marks. Good for aesthetics.

Anodize Type II

Aluminium only. Decorative. Corrosion and wear protection.

Hard Anodize (Type III)

Aluminium only. Maximum hardness and wear resistance. For harsh environments.

Passivation

Stainless steel. Removes free iron, improves corrosion resistance. Pharma/medical standard.

Electropolish

Mirror-bright finish on stainless. Pharma-grade GMP requirement. Reduces bacterial adhesion.

Powder Coat

Durable colour coat. Excellent corrosion and UV protection. Many colours.

Chrome / Nickel Plating

Decorative and functional plating for wear and corrosion resistance.

Need a Specific Material or Grade?

We can source and machine exotic alloys and specialty plastics on request. Contact our team.