Professional Wire EDM and Sinker EDM Machine Shop

Spencer Corporation
Spencer Corporation

Expert Resource For Manufacturing Services Santa Clara

Spencer Corporation is an established machine shop since 1997 in the heart of Silicon Valley in Santa Clara, California. We specialize in close-tolerance projects utilizing the following machines: Wire EDM, CNC mill, Sinker EDM, EDM drill, Surface Grinding, CNC CMM and Micro-Vue inspection, metal laser engrave, and general manual machines. We can also remove broken drills, taps, and bolts. We have worked with many different types of materials such as stainless steel, carbide, and titanium in various markets.

  • Years of experience with close tolerance projects
  • Trustworthy
  • An E.D.M. source for other machine shops


Close tolerance projects: Use Ø.001-.012 wire, Sinker EDM, Wire EDM, EDM Drilling, Broken drill & tap removal, Precision grinding, CNC milling, Turning & CNC, CMM and Vision inspection, General machine shop, and more.

Spencer Corporation



Temperature Controlled Environment
Wire diameter sizes .001 - .012
Minimum size: .001” and up
Maximum size: 16.5”tall x 15.7” x 23.6” or 419mm x 400mm x 600mm

CNC Sinker EDM:

Maximum size: 10”tall x 16” x 24” or 254mm x 406mm x 609mm

CNC Milling:

Maximum size: 18”tall x 15” x 30” or 457mm x 381mm x 762mm

CNC EDM Drilling:

Maximum size: 48” x 48” x 37" tall

Manual Milling:

Bridgeport 12”tall x 10” x 24” or 304mm x 254mm x 609mm


Maximum size: 14” swing x 30” or 355mm x 762mm

Precision Surface Grinding:

Maximum size: 18” tall x 16” x 32” or 457mm x 406mm x 772mm

CNC Inspection:

Micro-Vu 502UC
Brown & Sharpe DCC Gage 2000 CNC Coordinate Measuring Machine, 18” x 24” x 16”
Brown & Sharpe Global Image 575 CNC Coordinate Measuring Machine, 18” x 24” x 16”
ROI Optical Camera / 400X Z00M, .00005 in. Accuracy
NIKON 1200X Zoom Microscope with .00002 in. digital readout X-Y stage
Mitutoyo Toolmakers Microscope
Keyence Model LM-1100

Laser Engraving:

Metal and plastic engraving

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