KRC ManufacturingNew Knoxville, Ohio
Made in the USA
Material guide · Custom parts, made in Ohio

The right material.
Your next part.

Explore our CNC machining, laser cutting, and 3D printing materials. Compare common uses, check sheet thicknesses, and take your design straight to an online quote.

01 / Machined from solid stock

CNC machining materials

Choose from the materials in our online CNC quote tool. Upload a STEP or STP file, select your material, and confirm your part details. Quote eligibility depends on geometry and available stock.

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T6 / T6511CNC

6061 Aluminum

A versatile starting point for machined parts. Lightweight, easy to machine, and well suited to general-purpose components.

Common uses
Brackets, housings, spacers, fixtures
Before you order
A practical choice when you need a balance of weight, machinability, and cost.
CNC quote
T6 / T651 / T6511CNC

7075 Aluminum

A higher-strength aluminum option for parts where strength and low weight both matter.

Common uses
Loaded brackets, tooling, compact mechanical parts
Before you order
High strength and low weight; less corrosion-resistant than 6061 aluminum.
CNC quote
Cold finishedCNC

1018 Mild Steel

A general-purpose low-carbon steel for durable machine components and shop hardware.

Common uses
Pins, spacers, brackets, general machine parts
Before you order
Heavier than aluminum and susceptible to rust without a protective finish.
CNC quote
Prehardened · HRC 25–35CNC

4140 PH Steel

An alloy steel supplied prehardened for demanding mechanical components. The actual hardness depends on the selected stock.

Common uses
Shaft components, tooling, loaded machine parts
Before you order
Supplied prehardened. Hardness varies with the selected stock; additional heat treatment is not included.
CNC quote
304 / 304LCNC

304 Stainless Steel

A corrosion-resistant stainless steel for parts exposed to moisture and general service environments.

Common uses
Hardware, housings, brackets, equipment components
Before you order
Good general corrosion resistance; chloride-rich and saltwater environments can cause pitting.
CNC quote
Black homopolymer · POM-HCNC

Delrin Acetal

A machinable engineering plastic with low friction and good dimensional stability for precision plastic parts.

Common uses
Bushings, guides, spacers, small mechanical components
Before you order
Useful for lighter parts and low-friction plastic contact surfaces with good dimensional stability.
CNC quote
Natural / whiteCNC

UHMW Polyethylene

A low-friction, wear-resistant plastic for sliding contact and protective components.

Common uses
Wear strips, guide blocks, liners, sliding pads
Before you order
More flexible than acetal, making it better suited to wear surfaces than thin, rigid precision features.
CNC quote
Natural / off-whiteCNC

Nylon 6/6

A tough engineering plastic used for mechanical parts, guides, and components that see repeated contact.

Common uses
Bushings, rollers, guides, spacers
Before you order
Nylon absorbs moisture, which can change dimensions and affect close-fitting assemblies.
CNC quote
02 / Cut from flat sheet

CO₂ laser cutting materials

Upload a 2D DXF for a laser cutting quote, or use our Laser Template Builder for simple parts and signs. The laser bed is 24 × 40 inches; usable part size also depends on the selected sheet stock.

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PlasticLASER

Clear Acrylic

Transparent acrylic for clean, visible profiles and display components.

Nominal thicknesses1/8″ · 3/16″ · 1/4″ · 3/8″
Common uses
Display panels, windows, stencils, decorative parts
Before you order
Can crack around stressed holes or sharp corners. Allow clearance around fasteners.
Laser quote
PlasticLASER

Colored Acrylic

Colored sheet for bold signage, lettering, and custom flat parts.

Nominal thicknesses1/8″ · 1/4″
Common uses
Signs, labels, letters, display pieces
Before you order
Black, white, red, blue, green, yellow, orange, smoke gray, and frosted clear are listed in the quote tool. Availability is confirmed before production.
Laser quote
WoodLASER

Baltic Birch Plywood

Layered wood sheet for lightweight flat components, creative projects, and assembly prototypes.

Nominal thicknesses1/8″ · 1/4″ · 3/8″ · 1/2″
Common uses
Tab-and-slot projects, templates, signs, craft parts
Before you order
Wood grain and thickness vary. Laser-cut edges may show darkening; test fit critical joints.
Laser quote
WoodLASER

MDF

A smooth, uniform wood-fiber sheet for economical templates and indoor projects.

Nominal thicknesses1/8″ · 1/4″ · 1/2″
Common uses
Craft templates, paint-ready signs, patterns, prototypes
Before you order
Best for dry indoor use. Cut edges are darkened and may need preparation before painting.
Laser quote
WoodLASER

Hardboard

A dense, thin wood-fiber sheet for flat patterns and cost-conscious projects.

Nominal thicknesses1/8″
Common uses
Templates, backing pieces, patterns, layout aids
Before you order
Suited to dry indoor applications. Thin or delicate shapes need adequate connecting material.
Laser quote
NaturalLASER

Gasket Cork

Compressible cork sheet for custom flat profiles and cushioning pieces.

Nominal thicknesses1/8″
Common uses
Gasket profiles, spacers, protective pads
Before you order
Seal performance depends on fluid compatibility, operating temperature, and compression.
Laser quote
FoamLASER

EVA Foam

Lightweight foam sheet for cushioning and custom cut shapes.

Nominal thicknesses1/4″ · 1/2″
Common uses
Packaging inserts, protective pads, organizers
Before you order
Available in KRC-approved sheet stock. Compression and cut-edge appearance depend on the material and design.
Laser quote
RubberLASER

Neoprene Rubber

Flexible rubber sheet for custom profiles, cushioning, and gasket-style parts.

Nominal thicknesses1/16″ · 1/8″
Common uses
Flat seals, isolation pads, protective spacers
Before you order
Performance depends on the material grade, chemical exposure, temperature, and sealing conditions. Available stock is subject to KRC approval.
Laser quote
NaturalLASER

Wool Felt

Soft sheet material for protective contact surfaces and cushioning.

Nominal thicknesses1/8″
Common uses
Pads, liners, soft spacers, craft shapes
Before you order
Compressible material with a soft edge; avoid treating it like a rigid precision sheet.
Laser quote
03 / Additive manufacturing

Upload STEP, STP, STL, or 3MF for an instant 3D printing quote. Choose a single material and color per part, confirm the units and size, and add it to your shared KRC cart.

Six colors

PLA

For visual prototypes, models, and general indoor accessories. Best suited to indoor use; elevated temperatures can soften or distort PLA.

Available colorsWhite · Black · Red · Blue · Orange · Green
Get a PLA print quote ↗
Black only

PETG-CF

Carbon-fiber-filled PETG for custom accessories, functional prototypes, and shop fixtures with a textured finish. Geometry and layer direction affect strength.

Available colorBlack
Get a PETG-CF print quote ↗
Black only

TPU

A flexible material for protective covers, bumpers, and compliant parts. Flexibility and fit depend on geometry, wall thickness, and infill.

Available colorBlack
Get a TPU print quote ↗
Before you order

Material questions

A good material choice depends on load, fit, temperature, and the environment where the part will be used.

Which material should I choose for my CNC part?

6061 aluminum is a common starting point for general-purpose metal parts. Steels offer different strength and corrosion characteristics, while engineering plastics can be useful for low-friction contact or lighter components. Compare the material notes above, or send KRC your application before ordering.

Can I order a laser-cut part without a CAD file?

Yes. The Laser Template Builder lets you configure supported shapes and signs online. Enter your dimensions, choose a compatible material, and review the price. Engraving is included only where the selected sign template offers it.

Are every material and thickness always in stock?

Availability depends on the material, dimensions, color, and quantity. The quote tools show supported selections; KRC reviews stock and manufacturability before production. Email us before ordering if you need a specific grade, deadline, or material certification.

Can you review a material that is not listed?

Yes. Email sales@krcmfg.com with the material grade, CAD file or drawing, quantity, and application. KRC will review whether it can be sourced and processed for your project. Customer-supplied material also requires approval.

Does a material quote include finishing or treatment?

Do not assume coating, plating, anodizing, heat treatment, or other secondary work is included. Describe those requirements in a custom quote request. Laser parts are flat cut profiles; engraving is available only on supported template designs.

Not sure where to start?

Send your drawing and tell us what the part needs to do. Talk directly with KRC Manufacturing in New Knoxville, Ohio.

Ask KRC about your part