PEEK, (polyether ether ketone) is a thermoplastic widely used in industries such as aerospace, automotive, and electronics. PEEK has high strength, stiffness, toughness, chemical, biocompatibility, and thermal resistance. Due to its , PEEK is also suitable for use in harsh environments where other materials may fail. Common applications include aircraft structures, electronic components that require high temperature resistance, and medical and dental components (including implantables).

POM (Polyoxymethylene), commonly known as acetal, is a high-performance engineering thermoplastic widely used for precision CNC machined parts. Delrin® is a well-known commercial brand of acetal homopolymer, while POM also includes copolymer grades from other manufacturers. The material combines low friction, good wear resistance, dimensional stability, stiffness, and excellent machinability, making it particularly valuable for gears, bushings, rollers, precision fixtures, guide components, and mechanical parts.

For CNC machining, PMMA is especially valuable when a part needs high transparency, good dimensional accuracy, low weight, and a polished or visually clean appearance. However, acrylic is more brittle than materials such as polycarbonate and requires careful tooling and workholding to prevent cracking, chipping and stress-related defects.

Nylon is thermoplastic with high strength, wear resistance, excellent sound/vibration dampening, and low friction coefficient. It is commonly used in engineering and manufacturing processes. Common applications include gears, bearings, and bushings. Two of the most notable use cases for Nylon are in medical devices and electronics insulation, notably screws and spacers for panel mounted circuit boards.

ABS (Acrylonitrile Butadiene Styrene) is an affordable thermoplastic that has become popular for pre-injection molding prototypes. It is a versatile material known for its strength, durability, and resistance to impact and heat. ABS plastic is widely used in the automotive and consumer electronics industries due to its excellent mechanical properties and ease of processing. Additionally, it can be easily modified with other additives to enhance specific properties such as flame retardancy or UV resistance.

PPS is a high-performance engineering thermoplastic known for its exceptional thermal stability, chemical resistance, and mechanical strength. It exhibits excellent resistance to heat, flame, and harsh chemicals, making it ideal for demanding applications in automotive, electrical, and industrial sectors. PPS retains its properties at elevated temperatures and is often used in components like electrical connectors, pump parts, and aerospace fittings where durability and reliability are critical. Custom PPS CNC machining for high-temperature and chemical-resistant plastic parts, including bushings, insulators, seals, and precision components. Get a quote from Evefab.

Torlon PAI is tough and abrasive, especially graphite‑filled and glass‑filled grades, placing heavy demands on cutting tools. Heat accumulates easily during cutting due to low thermal conductivity of PAI. Evefab’s machining team uses sharp carbide or PCD tooling, optimized feeds‑speeds and cooling strategy to avoid chipping, thermal softening and residual stress. For heavy‑stock‑removal parts, stress‑relief annealing can be applied to stabilize final dimensions according to project requirements.

Clear PC requires careful machining parameters to avoid surface crazing, scratches and internal stress. Evefab’s machining team optimizes feeds, speeds and tool selection to preserve surface quality for transparent viewports, inspection windows and optical‑grade components. We also process opaque, filled and flame‑retardant PC grades per customer specifications.

Clear PSU requires carefully tuned machining parameters to avoid internal stress, surface crazing and micro‑scratches. Evefab’s machining team optimizes cutting speeds and tool selection to preserve optical clarity for viewports and inspection components. We also process modified and filled PSU grades according to customer drawing specifications.

PVC generates fine chips during cutting. Improper parameters may lead to melting, burrs and surface degradation. Evefab’s machining team optimizes feed rate and cutting speed to maintain clean edges and consistent surface finish. Note that flexible soft PVC is not fit for precision CNC machining.

PP has a relatively low melting point. Heat generated during cutting may cause burrs, smearing or minor deformation. Evefab’s machining team optimizes cutting feeds and speeds to reduce heat build‑up, delivering clean edges and consistent dimensional results. We process homopolymer PP, copolymer PP and glass‑filled PP according to customer drawings and material specifications.

Unfilled PEI Ultem features natural amber transparency, while glass‑filled grades bring enhanced rigidity and heat deflection. Filled PEI is abrasive to cutting tools; Evefab’s machining team selects proper tooling and optimizes cutting parameters to avoid chipping, internal stress and ensure stable dimensional accuracy for complex geometries.

PE has low melting point and is prone to burrs, heat deformation and tool smearing during processing. Evefab’s machining team optimizes cutting speed, feed rate and tool selection to reduce heat buildup, achieving clean edges and stable dimensional performance. We mainly process HDPE stock; LDPE is available for simple non‑precision projects upon request.

PI is difficult‑to‑machine high‑hardness polymer. Filled grades cause rapid tool wear; improper cutting easily brings chipping, edge breakout and micro‑cracks. Liquid coolant is not recommended for PI machining to avoid delamination risk; dry‑air cooling is preferred. At Evefab, our engineering team applies carbide / diamond‑coated cutting tools, optimized light‑cut dry‑machining parameters and strict fixture setup to eliminate chipping and internal micro‑cracks for PI components.

FR4 is highly abrasive due to glass fiber content. Common machining risks include edge delamination, fiber burrs, resin burning and rapid tool wear. Liquid coolant should be avoided for electrical‑grade components; dry‑air cooling and vacuum dust extraction are required for stable quality。At Evefab, we adopt dedicated carbide / PCD cutting tools, optimized high‑speed dry‑cut parameters and peck‑drilling strategy to suppress delamination, eliminate burrs and prevent epoxy resin over‑heating.

PPSU (Polyphenylsulfone, trade name Radel®) is a high‑performance amorphous thermoplastic. It combines outstanding heat resistance, excellent hydrolytic stability, superior impact toughness and biocompatibility. It can sustain repeated steam autoclave sterilization cycles without performance degradation, and shows good resistance to many chemicals and cleaning agents. Widely used for medical instrument components, food‑contact assemblies, aerospace interior parts and high‑temperature fluid‑handling fixtures。

At Evefab, our engineering team uses sharp carbide cutters, optimized feed‑speed combination and reasonable clamping strategy to control cutting heat. Stress‑relief annealing post‑processing is available for high‑reliability precision PET‑P components to eliminate hidden residual stress。

PU elastomers behave differently based on hardness; soft‑grade PU tends to generate burrs and requires sharp cutting tools and optimized feeds‑speeds to achieve clean edges. Evefab’s machining team adjusts processing parameters according to material shore hardness to avoid deformation and guarantee dimensional consistency. Foam PU is generally not suitable for standard CNC precision machining.

Igus iglidur series are tribologically‑optimized engineering plastics pre‑filled with solid lubricants, delivering self‑lubricating, maintenance‑free sliding performance with low friction and excellent wear resistanceigus®. At Evefab, we provide precision CNC milling and turning on genuine igus iglidur bar‑stock to produce custom sliding bearings, bushings, wear pads and complex motion components for prototyping and low‑to‑medium‑volume production.

Aluminum is a lightweight, highly versatile material widely used across industries. It offers a unique combination of properties, including a high strength-to-weight ratio, excellent corrosion resistance, good malleability, and strong thermal and electrical conductivity. These characteristics make it an ideal choice for applications where weight reduction, durability, and efficient heat transfer are critical—such as engine blocks, heat exchangers, and other transportation components.

Stainless Steel is a popular and highly versatile material known for its exceptional strength, and durability, along with high temperature, and corrosion resistance. It is widely used in industries such as construction, automotive, aerospace, and manufacturing, with applications ranging from heat exchangers, industrial ovens, exhaust systems, construction equipment, heavy machinery, engine components, fasteners, turbine blades, tanks, pumps, valves, orthopedic implants, and medical equipment.

Sunnyhowe offers a wide range of steel options to meet the demands of various applications. Alloy and carbon steel are particularly useful for creating fixtures, mounting plates, draft shafts, axles, torsion bars, gears, bolts, studs, shafts, and structural components. High-quality steel materials provide excellent strength and durability, making them ideal for demanding industrial applications.

360 Brass (free-machining brass) is a versatile material for various industries. Common applications include gears, lock components, pipe fittings, and decorative parts. It has excellent machinability and can be easily fabricated into different shapes and sizes. It boasts high corrosion resistance and good electrical conductivity, making it an ideal choice for electrical components and marine applications.

Copper 101 and 110 have unmatched thermal and electrical conductivity, which makes them a popular choice for bus bars, wire connectors, and other electrical applications like parts for power transmission and distribution systems. Copper alloys 101 and 110 also offer incredible durability, corrosion resistance, and ease of fabrication. Commonly used in high-performance electrical components such as transformers, generators, motors, and switchgear.

Mild steel, also known as low-carbon steel, is a durable and versatile material commonly used across various industries. It is characterized by its high strength, ductility, and weldability, making it suitable for a wide range of structural and mechanical applications. Mild steel's affordability and ease of fabrication make it a popular choice for projects requiring robust performance without excessive weight, such as construction frameworks, automotive chassis, and machinery components.

A2 Tool Steel has excellent wear resistance and toughness, commonly used to make fixtures, tools, tool holders, gauges, and punches.

Titanium is lightweight, strong, biocompatible, and highly resistant to corrosion. It has a high strength-to-weight ratio and excellent temperature resistance. It is commonly used in industries such as aerospace and medical devices. It’s also used for parts like engine components, landing gear, structural elements, medical implants, and prosthetics. Other common use cases include aerospace fasteners, turbine blades, sports equipment, and marine applications.