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SSIShawnee Specialties | Zinc & Aluminum Die Casting in Michigan

Aluminum and Zinc Die Castings+ Precision Machining

Presses
35 to 500 tons
Alloys
Zinc + Aluminum
Quality
ISO 9001:2015
Since
1973
Housing // Top view03Measure
A die cast housing, from shot to shipment A technical drawing of a zinc die cast housing. Molten metal enters through the gate and the part cools, is measured, trimmed, thermally deburred in a sealed gas chamber that burns off the flash, vibratory finished, CNC machined, washed, sorted, packed and shipped. TOP VIEW SCALE 1:1 GATE SPRUE SSI CH4+O2 // CHAMBER SEALED // GAS CHARGE // IGNITION // FLASH REMOVED 2.800 2.000 Ø .480 ±.001 R .260 OUTBOUND // TO YOU →
Material
Zamak 3
Tolerance
±.001 in
Station
Quality lab

01// About Us

Our history
01 //

Who We Are

Shawnee Specialties is a Michigan manufacturer providing zinc and aluminum die casting, CNC machining, and high-volume production of custom components. For over 50 years, customers across automotive, industrial, and defense markets have relied on us for consistent, U.S.-made parts delivered to print.

02 //

What We Do

Shawnee Specialties manufactures precision zinc and aluminum die cast components, supported by in-house CNC machining, thermal deburring, shot blasting, and vibratory finishing.
With machine capacity from 35 to 240 ton (zinc) and 55 to 500 ton (aluminum), we supply high-quality components for automotive, defense, medical, and industrial applications across North America.
We specialize in helping customers convert fully machined parts into near-net die castings, reducing cost, improving consistency, and increasing production efficiency.

03 //

How We Work

Our focus is simple: clear communication, reliable turnaround, and dependable quality. From quoting to final shipment, we keep expectations aligned and make the process straightforward for every customer.

04 //

Why Customers Choose Us

We deliver consistent results, strong support, and a smooth onboarding experience. Whether you’re starting a new order or continuing ongoing production, our team keeps the process clear, timely, and dependable.

05 //

Join Our Team

If you’re looking for a steady, hands-on manufacturing environment with room to grow, visit our Careers page for current openings.

02// Capabilities

Proven Processes Built for Real Manufacturing

All capabilities
02.1 //

Zinc Die Casting

Zinc die casting in Z3, Z5, and ZA-8 alloys, 35 to 150 tons, with in-house secondary operations. Tight tolerances for high-volume production.

02.2 //

CNC Machining

In-house CNC machining on HAAS and Brother Speedio equipment, standalone or as a finish-machining step on cast components.

02.3 //

Aluminum Die Casting

High-quality aluminum die casting for lightweight, durable, and dimensionally accurate industrial components.

02.4 //

Finishing

In-house metal finishing for zinc and aluminum die castings and machined parts: vibratory and thermal deburring, shot blasting, tumbling, and part washing.

02.5 //

Toolroom

In-house die repair, sharpening, and fixture maintenance at Shawnee Specialties. No outsourcing, no waiting, no production stoppage.

02.6 //

Tool Transfer

Tool transfer and relocation for die casting programs, from receipt and inspection through first shots and production ramp-up.

03// On the floor

Tools That Work Harder

Our equipment
ABB robot operating an aluminum die cast machine at Shawnee Specialties
Automation doesn't ever flinch. It hits the die with perfect timing, keeping every shot pristine and every cycle on pace.
Torch work on a casting at Shawnee Specialties
When the buildup starts to push back, we push back harder. Maintenance never stops; the whole production floor relies on it.

Trusted by Defense & Industrial Leaders

Corporation logo - industrial manufacturing customer Whirlpool Corporation logo - appliance manufacturing customer Electro-Voice logo - professional audio and industrial electronics manufacturer Bosch logo - multinational engineering and industrial technology company NAVSEA logo - United States Navy Naval Sea Systems Command General Dynamics logo - defense, aerospace, and industrial manufacturing contractor Raytheon Technologies logo - defense systems and aerospace technology company Cummins logo - global manufacturer of engines and industrial power systems General Motors logo - global automotive and industrial manufacturing company Ford Motor Company logo - automotive and industrial manufacturing company Toyota Motor Corporation logo - automotive and industrial manufacturing company Tesla logo - electric vehicle and advanced manufacturing company

Precision that Powers Industry

We are an ISO-certified, award winning, supplier for all of your die cast related needs.

// Contact

Contact Shawnee Specialties, Inc.

We're here to support your casting, machining, and production needs.

Location
7100 Third Street
Eau Claire, MI 49111
Email
sales@shawneeinc.com
Phone
(269) 461-6931
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