WIDIA-CIRCLE™ Shank-Type Boring Bars are devised for High-Performance tooling system for robust accuracy of metal removal on work-piece made of cast iron, solid steel and stainless steel. You can use this reliable shank tools with collete holder and other shrink fit attachment on milling machine as well as turning application especially on intricate internal threading and complex cylindrical designs. Furthermore, with proper selection of inserts, you can have a Heavy Duty application and versatile work-piece application, range from  for boring on high-quality steel or carbide shanks with through tool coolant capabilities.

Your investment on WIDIA-CIRCLE™ Shank-Type Boring Bars will allow yout to work with the full line of boring tools to meet all demanding job requirements. Whatever the work at hand, you will benefit from the most appropriate solution and finish a satisfatorily job. WIDIA™ engineer only the BEST boring tools, guaranteed to reduce your machining time, provide superior results, and outperform the competition. WIDIA-CIRCLE™ cutting tools are the finest quality boring, grooving, profiling, and threading tools available. WIDIA-CIRCLE has become the industry leader in solving small-diameter hole machining problems in major manufacturing plants worldwide.

WIDIA-CIRCLE™ Boring Bar features:

• WIDIA innovative tool holder design for efficient metal removal and secure lockings which supports insert durability.
• Grade Heavy Duty for versatile work-piece application, range from high-quality steel or carbide shanks with through tool coolant capabilities.
• Multi-application tooling — groove and thread with the same bar are available with carbide material and Steel to fits your needs and budget.
• Inserts available in multiple styles and grades, including polycrystalline diamond tipped, for all machining applications
• PDF catalog on metric can be downloaded here and on inches here (103 MB)

Wide selection of WIDIA-CIRCLE™ Boring Bar includes:

• Straight Shank-Type Boring Bars Steel or Carbide
• Step-Down Shank-Type Boring Bars Steel or Carbide
• Triangle Insert Boring Bars
• 80° Diamond Insert Boring Bars
• Threading and Grooving Boring Bars
• Small Hole Boring or Indexable Insert Tooling diameters as small as .062" (1,57mm).