Materials Guide

Custom Parts Materials Options

Comprehensive CNC Machining Materials Guide

From material selection to surface finishing, we offer comprehensive CNC machining solutions tailored to your specifications. Explore our wide range of metals, plastics, and advanced materials for your custom parts.

CNC machining materials overview

Materials

Wide selection of metals and plastics available for CNC machining, each carefully selected for specific applications and requirements

Metals

Aluminum

Lightweight, corrosion-resistant metal ideal for various applications

Subtypes: 6061-T6, 7075-T6, 5052, 2024
Properties: Lightweight, good strength-to-weight ratio
Applications: Aerospace, automotive, prototypes
Finishes: Anodizing, powder coating, brushing
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Brass

Excellent machinability with good electrical conductivity

Subtypes: C360, C377, C385
Properties: Good electrical conductivity, corrosion resistant
Applications: Electrical components, decorative parts
Finishes: Polishing, plating, patination
$$$
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Copper

High thermal and electrical conductivity

Subtypes: C101, C110, C145
Properties: Excellent thermal/electrical conductivity
Applications: Heat sinks, electrical components
Finishes: Polishing, plating
$$$
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Stainless Steel

Corrosion-resistant alloy for demanding applications

Subtypes: 303, 304, 316L, 17-4PH
Properties: High strength, corrosion resistant
Applications: Medical, food processing, marine
Finishes: Polishing, passivation, bead blast
$$$
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Steel Alloy

High-strength steel for demanding mechanical applications

Subtypes: 4140, 4340, 8620
Properties: High strength and hardness
Applications: Gears, shafts, mechanical parts
Finishes: Heat treating, black oxide
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Steel Mild Low Carbon

Good machinability and weldability

Subtypes: 1018, 1020, 12L14
Properties: Good machinability, weldable
Applications: General purpose, structural parts
Finishes: Zinc plating, painting
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Titanium

High strength-to-weight ratio with excellent corrosion resistance

Subtypes: Grade 2, Grade 5 (Ti6Al4V)
Properties: Lightweight, very high strength
Applications: Aerospace, medical implants
Finishes: Anodizing, passivation
$$$$
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Plastics

ABS

Tough, impact resistant thermoplastic

Properties: Good impact resistance, easy to machine
Applications: Prototypes, housings, covers
Finishes: Painting, texturing
$
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Acetal/Delrin

Low friction, high stiffness engineering plastic

Properties: Low friction, good dimensional stability
Applications: Bearings, gears, precision parts
Finishes: Natural, polishing
$$
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Polycarbonate

Transparent thermoplastic with high impact strength

Properties: Optical clarity, high impact resistance
Applications: Optical components, protective covers
Finishes: Polishing, flame polishing
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CPVC

Chemical-resistant chlorinated polyvinyl chloride

Properties: Excellent chemical resistance, high temperature tolerance
Applications: Chemical processing, water treatment
Finishes: Natural, machined
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HDPE

High-density polyethylene with good chemical resistance

Properties: Chemical resistant, good wear resistance
Applications: Food processing, chemical handling
Finishes: Natural, textured
$
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LDPE

Flexible low-density polyethylene

Properties: Flexible, good chemical resistance
Applications: Packaging, non-critical parts
Finishes: Natural
$
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Nylon

Strong and wear-resistant polyamide

Properties: High strength, good wear resistance
Applications: Bearings, gears, wear parts
Finishes: Natural, polished
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PEEK

High-performance thermoplastic with excellent mechanical properties

Properties: High temperature resistance, chemical resistant
Applications: Aerospace, medical, semiconductor
Finishes: Natural, polishing
$$$$
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PEI (Ultem)

High-performance amorphous thermoplastic

Properties: High heat resistance, flame retardant
Applications: Aerospace, medical devices
Finishes: Natural, machined
$$$$
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PET

Polyethylene terephthalate with good dimensional stability

Properties: Good dimensional stability, chemical resistant
Applications: Food contact, precision parts
Finishes: Natural, polished
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PMMA (Acrylic)

Clear thermoplastic with excellent optical properties

Properties: Optical clarity, UV resistant
Applications: Displays, lighting, optical components
Finishes: Polished, flame polished
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Polypropylene

Versatile thermoplastic with good chemical resistance

Properties: Chemical resistant, lightweight
Applications: Chemical handling, laboratory equipment
Finishes: Natural, textured
$
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Polystyrene

Rigid thermoplastic with good dimensional stability

Properties: Good dimensional stability, easy to machine
Applications: Display items, non-critical parts
Finishes: Natural, polished
$
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PPSU

High-performance polyphenylsulfone

Properties: High impact strength, heat resistant
Applications: Medical devices, sterilizable equipment
Finishes: Natural, machined
$$$$
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PSU

High-temperature resistant polysulfone

Properties: Heat resistant, good electrical properties
Applications: Electrical components, medical devices
Finishes: Natural, machined
$$$
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PTFE (Teflon)

Low friction fluoropolymer with excellent chemical resistance

Properties: Very low friction, chemical inert
Applications: Bearings, seals, chemical equipment
Finishes: Natural, machined
$$$
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PVC

Versatile vinyl polymer with good chemical resistance

Properties: Chemical resistant, good electrical insulation
Applications: Fluid handling, electrical housings
Finishes: Natural, machined
$
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PPS

High-performance thermoplastic with excellent chemical resistance

Properties: Chemical resistant, high temperature tolerance
Applications: Chemical processing, automotive
Finishes: Natural, machined
$$$
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Tolerances

Our CNC machining capabilities meet strict tolerance requirements

General Tolerances

ISO 2768-m (metals), ISO 2768-c (plastics)

Precision

Down to ±0.001 inches

Minimum Wall

0.5mm

Minimum Mill

0.5mm endmill

Maximum Size

Milling: 4000×1500×600mm, Turning: 200×500mm

Minimum Size

Milling: 5×5×5mm, Turning: 2×2mm

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