CURRENT EDM Machines

At Apex Machinery Supply, we’re proud to offer the full line of Current EDM solutions—engineered for shops that demand peak performance. From fine detail to fast throughput, these machines help manufacturers and shops produce more with greater precision and less downtime.

Discover top-tier features, advanced controls, and application-specific advantages built into every model. Browse detailed specs, explore top machine models, view catalogs, and get answers to common questions.

Top Machine Models

CT400

  • Available in 3, 4, or 5 axis configurations
  • Siemens SINUMERIK ONE controller for automation integration
  • Modular design supports AEC24 Automatic Electrode Changer
  • Designed for continuous, high-efficiency operation
  • Expandable storage and USB-enabled for flexible data handling
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  • Electrode Diameter: 0.004″ – 0.256″
  • Travel (X/Y/Z/W): 18″ x 12″ x 16″ x 10.5″
  • Positioning Accuracy: ±0.0005″
  • Repeatability: ±0.0002″
  • Table Load Capacity: 1000 lbs (454 kg)
  • Machine Footprint: 53 W x 60 L in. (1,346 x 1,524 mm)
  • Worktable Size 11.8 W x 11.8 L in. (300 x 300 mm)
  • Job shops and production lines
  • Tool rooms and custom part manufacturing
  • Mold and die industry
  • Aerospace and automotive components

CT500

  • Large 22″ x 14″ XY travel with a spacious worktable
  • Compatible with NIKKEN 5AX rotary tables for advanced 5-axis capabilities
  • Dual drilling modes (manual & automatic) with programmable spindle rotation
  • Expandable program storage up to 4GB
  • Optional AEC24 Automatic Electrode Changer and AGC Guide Changer
  • Granite worktable enhances electrical isolation and long-term accuracy
  • Electrode Diameter: 0.004″ – 0.256″ (0.1–6.5 mm)
  • Travel (X/Y/Z/W): 22″ x 14″ x 16″ x 10.5″
  • Positioning Accuracy: ±0.0005″
  • Repeatability: ±0.0002″
  • Table Load Capacity: 682 lbs (310 kg)
  • Control: Siemens SINUMERIK ONE with 19″ LCD
  • Machine Footprint: 68 W x 71 L in. (1,727 x 1,803 mm)
  • Worktable Size 21.6 W x 15.7 L in. (550 x 400 mm)
  • Aerospace and defense (cooling holes, start-holes)
  • Medical device manufacturing
  • Mold and die production
  • High-precision machining for automotive and electronics
SD22AS EDM Machine Model

SD22AS

  • Manual machine with touch-screen control panel with material-driven power settings
  • Interactive 15″ LCD simplifies setup and operation
  • Supports DXF file input for graphical part visualization
  • Capable of high-speed drilling through angled or threaded workpieces
  • Compact, rugged build for tool room or production floor use
  • Electrode Length: Up to 15.8″ (400 mm)
  • Travel (X/Y/Z/W): 11.9″ x 7.9″ x 14.0″ x 12.0″
  • Table Load Capacity: 550 lbs (250 kg)
  • Machine Footprint: 48 W x 48 L in. (1,200 x 1,200 mm)
  • Worktable Size 17.7 W x 8.2 L in. (450 x 210 mm)
  • Integrated filtering system: 13.2 gallons (50 liters)
  • Entry-level or budget-conscious EDM operations
  • Tool and die makers
  • Mold shops, R&D, and prototype drilling
  • Aerospace and general manufacturing start-hole applications
"After 25 years working with hole drilling EDMs, I can confidently say our Current CT500 is the best machine we’ve owned. We tried going the cheaper route with another brand before purchasing our Current EDM machine from Apex, but it quickly became clear that support and reliability were lacking. Since switching to the CT500, we've gained new business thanks to its precision and versatility—drilling everything from 0.25mm to 5.4mm holes. The machine is rock solid, and the service team at Current, along with the staff at Apex, has been incredibly helpful and responsive. I highly recommend this machine and the people who stand behind it."
-Scott R.
"With the use of the CT300 machine, we went from 2 days to 2 hours in our machining time."
-John H.

Request A Consult

Not sure which machine is right for your needs? No worries, our team is here to help! Request a consultation and we’ll walk you through the best-fit Current EDM solutions based on your applications, production goals, and budget.

Frequently Asked Questions

  • Burr free and precise holes
  • Repeatable results
  • Reliable power supply that does faster hole cycles than competitors
  • Various foot prints of machines and features to fit the needs of the customer floor space and workholding size
  • SD series can do .012”-.118”  (0.3 – 3.0 mm) holes
  • ST and CT Series can do .004”-.256” (0.1 – 6.5 mm) holes

Typically we see these machines last 20 years or longer.

It varies depending on components lead time, what’s being built, demand, etc. Please inquire to get an updated estimate on lead time. 

10% down and Net 30 from the day the machine is delivered to you.

We are happy to explore discounts if you would like to pay upfront on your machine or see what specials may be available on add ons such as tool changers and indexers at the time of purchase. 

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