LLM Information

Washington Machine Works

Directory listing
Machinery 📍 Seattle, WA Est. 1985

Directory record status

These labels describe this UNITEMFG record. They do not guarantee current capabilities, certifications, capacity, quality, or fit for a specific job.

Directory listing
Listed
Ownership
Unclaimed
Website evidence check
Checked
Jul 13, 2026
Evidence reviewed
Not recorded
Last evidence review
Not recorded

About

Independent precision machine shop specializing in large industrial parts and hard-to-work materials. Features two 10-ton bridge cranes, machines that can turn up to 16 feet in diameter and mill parts up to 12 feet. Serves Puget Sound region with one-offs, short-runs, prototypes and emergency repairs.

Specialties

Large parts machininghigh-tolerance precision partsindustrial machining

Manufacturing Capabilities

Processes

Boringdrillingmillingtappingturningreaming (CNC and conventional)weldingmetal forminggear cuttingheat treatment

Certifications & Quality

Business Certifications

ISO 9001:2015

Source-backed capabilities

These capability statements were observed in the linked manufacturer sources. They are source evidence, not a certification of the company or its current capacity.

Certification

  • ISO 9001:2015

    partOur CNC horizontal machining center machined a precision fixture from a block of aluminum.Show MoreQUALITYQUALITY Washington Machine Works is ISO 9001:2015 certified. ​ We are an approved vendor at many companies doing nuclear, government and other work governed by stringent

Material

  • Aluminum

    steel and alloy steels Stainless steel (304, 316, 17-4PH, and others) Manganese steel for high-wear applications Inconel and high-temperature alloys Aluminum (including large weldments) Plastics and engineered polymers Cast iron repairs WHY SIZE MATTERS When you have a large part

  • Bronze

    We can machine new ones from your damaged part or from measurements. Bushings & Bearings: Custom bushings for legacy equipment. We can machine bronze, steel, or engineered plastic bushings to your specifications. Gears & Sprockets: Replacement gears for material handling equipmen

  • Carbon Steel

    facing, and drilling in-house. Pressure Vessel Components: Flanges, heads, and nozzles for tanks and pressure vessels. We work with stainless, carbon steel, and specialty alloys. Weldments & Fabrications: Face mounting pads, drill bolt holes, bore bearing surfaces on large fabric

  • Inconel

    ​ ​ ​ MATERIALS WE WORK WITH Carbon steel and alloy steels Stainless steel (304, 316, 17-4PH, and others) Manganese steel for high-wear applications Inconel and high-temperature alloys Aluminum (including large weldments) Plastics and engineered polymers Cast iron repairs WHY SIZ

  • Stainless Steel

    measurements, damaged originals, or reverse-engineered from equipment specifications. ​​ ​ ​ ​ MATERIALS WE WORK WITH Carbon steel and alloy steels Stainless steel (304, 316, 17-4PH, and others) Manganese steel for high-wear applications Inconel and high-temperature alloys Alumin

Process

  • CNC Milling

    Horizontal Machining Center with full 4th axis Haas VF-5/50 Vertical Machining Center Mori Seiki SL-6 CNC Lathe (upgraded modern controls 2022) ​​ CNC milling up to 64" x 40" x 32" CNC turning over 30" in diameter Flexibility to machine larger parts Horizontal Boring Mills Giddin

    Equipment List | wamachinc ↗ Observed Jul 13, 2026
  • CNC Turning

    full 4th axis Haas VF-5/50 Vertical Machining Center Mori Seiki SL-6 CNC Lathe (upgraded modern controls 2022) ​​ CNC milling up to 64" x 40" x 32" CNC turning over 30" in diameter Flexibility to machine larger parts Horizontal Boring Mills Giddings & Lewis 4" Horizontal Mill Cer

    Equipment List | wamachinc ↗ Observed Jul 13, 2026
  • Fabrication

    work. PARTNERING FOR COMPLETE SOLUTIONS Many repairs require more than just machining. We work with trusted local partners for: Welding and fabrication Heat treating Gear cutting and splining Sandblasting Powder coating and painting Assembly​ ​ We can manage the entire process, c

  • Heat Treatment

    PARTNERING FOR COMPLETE SOLUTIONS Many repairs require more than just machining. We work with trusted local partners for: Welding and fabrication Heat treating Gear cutting and splining Sandblasting Powder coating and painting Assembly​ ​ We can manage the entire process, coordin

  • Hydraulic Systems

    gear blank and coordinate with gear cutting specialists for tooth cutting. Hydraulic Components: Cylinder repairs, custom pistons, valve bodies, and hydraulic system components. Wear Parts: Crusher parts, conveyor components, and other high-wear items that need regular replacemen

  • Machine Repair

    delays. Problem-Solving Mindset: We're used to working from damaged parts and incomplete information. We figure things out. GET HELP NOW For machinery repair and replacement parts, call (206) 767-2688 or email info@washingtonmachineworks.com. Describe what broke, send photos if p

  • Machining

    top of pageLarge Part Machining That Other Shops Can't HandleTurn up to 13 feet diameter. Mill parts more than 7 feet long. A 10-ton bridge crane. When your part is too big for other shops, call us.Contact Us Most machine shops in Seattle can handle parts

  • Powder Coating

    more than just machining. We work with trusted local partners for: Welding and fabrication Heat treating Gear cutting and splining Sandblasting Powder coating and painting Assembly​ ​ We can manage the entire process, coordinating with these vendors so you don't have to chase dow

  • Reverse Engineering

    CAD models, we'll work from those. We're compatible with modern CAD formats and can import your models directly to our CNC equipment. Option 3 - Reverse Engineering: For more complex parts without drawings, we can create a working drawing from measurements and photos, get your ap

  • Welding

    Face mounting pads, drill bolt holes, bore bearing surfaces on large fabricated assemblies. We can handle the finish machining after your welding is complete. Shafts & Rotors: Large diameter shafts, pump shafts, and rotor components that exceed standard lathe capacity. Repair Par

Location

•••• •••••••••• ••
Seattle, WA •••••