OSG Introduces ZERO-BT High-Performance and Low-Carbon Forming Tap
TOYOKAWA, Aichi, Japan, Nov. 5, 2026 — OSG Corporation today announced the release of the ZERO-BT (formerly known as Green Tap GRT), a high-performance and low-carbon forming tap engineered to deliver long tool life, exceptional durability and reliable tapping performance, particularly in difficult-to-machine stainless steel applications.
Unexpected tap breakage is often caused by chip-related issues, and stainless steel presents an even greater challenge due to its tendency to work harden during pre-drilling operations. These conditions can increase cutting loads and significantly raise the risk of tool failure. The ZERO-BT addresses these challenges with a robust design that provides stable and reliable performance, helping manufacturers reduce downtime and improve process reliability.
A key feature of the ZERO-BT is its large web diameter, which increases tool rigidity and enhances resistance to breakage. The tap also incorporates a special thread profile developed through computer simulation of plastic deformation, enabling stable thread formation while improving thread quality and extending tool life. In addition, a specially designed thread configuration enhances cooling performance, contributing to consistent machining results and improved durability.
Engineered for demanding production environments, the ZERO-BT delivers stable, long-life performance even when tapping difficult-to-machine stainless steels. Its combination of high rigidity, optimized thread geometry and exceptional durability helps manufacturers minimize unexpected tool failures and maintain uninterrupted production.
In addition to its machining performance, the ZERO-BT supports environmental sustainability by reducing power consumption during manufacturing. Compared with conventional production methods, CO₂ emissions generated during manufacturing have been reduced by 35%, making the ZERO-BT a more environmentally friendly choice without compromising performance.
By combining outstanding durability, reliable tapping performance and a reduced environmental footprint, the ZERO-BT helps manufacturers improve productivity while advancing their sustainability goals. The ZERO-BT is available in sizes ranging from M1 to M6.
For more information on OSG’s ZERO-BT high-performance and low-carbon forming tap
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