TG Nitride Countersink Step Drill Bit

High-quality TG Nitride Countersink Step Drill Bit designed for precise two-step drilling operations, ideal for both countersinking and counterboring applications. This machine-mounted tool features a durable chemical nitride coating on a steel body, enhancing tool life and performance. It has a total length of 108mm and a 12mm shank diameter. Specifically designed for M12 applications, it creates a 90-degree counterbore with an outer diameter range of 14mm to 20mm, ensuring clean and accurate finishes.

Coating type: Chemical coating Body Material: steel Standard Model: M12【14-20】90° Total length of the knife: 108mm Tool diameter: M12 Interface Mode: Manual Domestic/Imported: Domestic Knife Form: Desk equipment Cooling method: Not involved