Sunnen Deep Hole Drilling - Double Tube Drilling

Sunnen’s TrueDex line of Deep Hole Drilling Tools & Inserts

For over 95 years Sunnen has provided industry leading honing and lapping solutions for a wide range of industries from Aerospace to Oil & Gas. We have leveraged our expertise in precision bore sizing and finishing to expand into deep-hole drilling with our own line of deep hole drilling machinery as well as Sandvik-style tools, carbide inserts and accessories, including:

  • Single Tube System (BTA) Drills, Inserts, and Consumable Spare Parts.
  • Double Tube System (Ejector) Drills, Inserts, and Consumable Spare Parts.
  • Tools and Cutting Oils

TrueDex Solid Deep Hole Drilling Tool

Sunnen’s TrueDex deep-hole drilling heads, inserts, and pads are directly interchangeable with Sandvik’s T-MAX® 424.10 series of tools, covering the diameter range between 63.50mm (2.5”) to 183.99 mm (7.24”) and 100x hole diameter. These tools offer low cost per bore and consistent performance.

There are a number of benefits you can expect with Sandvik-style tools by Sunnen:

  • Multiple diameter settings
  • Ease of use and process security
  • Excellent surface finish & tight tolerances
  • Great for achieving hole straightness in long workpieces
  • Wide application range
  • High penetration rate in most materials
  • Complete line of drill tubes

TrueDex line is widely used in the following industries:

  • Oil and Gas
  • Aerospace
  • Automotive
  • Heavy Equipment
  • Defense
  • Ship Building
  • Steel Processing

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