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About Senger and Associates

  - Our Principals -
Deep Drawn Metal Components
Precision Springs
Stamping Technology
Aluminum Extrusion
Screw Machine Parts Manufacturer
Precision Miniature Aluminum Extrusions and Aluminum Tubing
Plastic Pressure Forming
Precision Rubber Molding
Cable Assemblies
Molding & Machining Capabilities
Short-run Stampings

Exacto Spring Corporation
If springs and wire products are critical to your product's long-term performance, there's only one logical choice: custom precision solutions from Exacto Spring Corporation.

Founded in 1960, Exacto Spring has been designing and manufacturing compression, torsion and extension springs along with custom wire products, all which meet the most rigorous performance requirements imaginable for medical, automotive, industrial, appliance, and all other industries.

The ability for Exacto Spring to meet these requirements comes in part, because they apply advance wire-manufacturing tools and processes to the task. Today, you can count on Exacto to assist in the engineering and manufacture of extremely high-tolerance springs and wireforms backed by unprecedented customer service. The Exacto team will work as your partner to assist with your engineering process. Quality is ensured though systems that are certified to ISO 9001:2015 and ISO/TS 16949:2016.

Exacto Medical
Medical related wire products have been a growing business segment for Exacto every year. With the diverse market base of Exacto, they bring strength to their medical customers and allows them to be a competitive supply partner.

Class 10,000 or ISO Class 7 Clean Rooms
  • Includes Coiling, cleaning, citric passivation, and assemblies
  • Parts are packaged and ready for clean room manufacturing

Medical Products
  • Sheathes
  • Retractable Syringes
  • Medical Coils
  • Implantables
  • Surgical Instruments
  • Steerable wire products
  • Wire Forms
  • Sub-assemblies
  • Coils for Wire-reinforced Cannulas
  • Introducers
  • Medical Markers
  • Stylets/core wires

Exacto Capabilities
Exacto has experience in producing compression, torsion and extension springs, wire forms, medical coils and assemblies from round, square, rectangular and flat wire in a wide range of materials.

  • MP35N- Non-magnetic, higher stress load
  • Conichrome- High impact resistance for repetitive cycles
  • Titanium - lightweight & strength, low X-Ray shadow
  • PTFE Coated- Lubricity wire coating
  • Stainless 304, 316, 17-7
  • Nitinol- Nickel-Titanium, shape memory wire with tensile strength
  • Alloy 625 - Good for Magnetic Resonance Imaging (MRI) applications
  • Music Wire
  • Copper, Phosphor Bronze

Welding Capability
  • TIG-Tungsten Probe/Gas
  • MIG-Wire/Gas
  • Heliarc
  • Thermo Couple-Electric Arc/Gas Purification
  • Solder & Brazing
  • UV Curing-Epoxy, etc.
  • Resistant (Spot)
  • Laser
    • Weld wire to 0.006" diameter
    • Weld size from 0.004" to 0.020", focus from 0.002"+
  • Grinding, Burnishing, Buffing, Finishing and Deburring

  • Welding
  • Crimping
  • Trimming
  • Heat Shrink Tubing
  • Gluing (UV Gluing)
  • Soldering
  • Citric & Nitric Passivation
  • 7-stage ultrasonic cleaning system
  • Packaging

Wire Sizes
  • Round 0.00075" to .156' dia wire
  • Flat wire 0.0005" X 0.003" and up

Exacto Packaging
Exacto has creativity to solve your unique packaging needs to protect your parts. Finding a cost effective method to package and deliver your spring to the manufacturing floor is an important step and sets Exacto apart from others. Whether your product requires tubes, trays, tack board, cell packing, crates, or wires, Exacto Spring guarantees they arrive to you unharmed, on-time--and if they don't already have the perfect packaging system for you, they will design one that fits.

Exacto Engineering and R&D Assistance
Additionally, what sets Exacto Spring apart from their competitors is their service--most notably, their custom engineering capability. Their highly experienced and skilled engineers work closely with their customers by learning more about your products, their applications and the functional specifications they must meet, and then Exacto Spring does whatever it takes to provide the customer with the best possible solution.

Exacto's application engineers will get back to you promptly with the optimum solution, and if needed, with prototypes for your evaluation. They'll also provide you with pricing so cost-efficient that you may find outsourcing this critical function the only logical way to go.

Upon approval, Exacto will proceed with manufacturing via their high-precision, fully automated systems. Using exacting inspection equipment like high-powered stereo microscopes, laser micrometers and vision measurement systems, consistently accurate tolerances are ensured. Delivery will come to you in whatever increments you specify, to meet your own manufacturing schedules.

Exacto Spring
1201 Hickory Street
Grafton, WI 53024
Ph: 888-522-2334 -- Fax: 262-377-3854

Visit the Exacto Spring Website

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