HSS Internal Threading & Boring 6pc Set

6-Piece M2 Grade HSS Internal Threading and Boring Set. Designed for machinists, toolmakers, and workshop hobbyists, this comprehensive kit provides exceptional rigidity and precision for internal machining operations. Crafted from high-performance M2 grade high-speed steel, these pre-ground tools come ready to use out of the box and can be easily re-sharpened over time to ensure long service life. Housed in a durable metal storage case, this set includes a matching tool holder to securely accommodate your boring and threading bars.

Key Features & Benefits

• M2 Grade High-Speed Steel (HSS): Manufactured from premium M2 steel to deliver superior wear resistance, high heat tolerance, and rigid edge retention during deep hole operations.
• Pre-Ground & Factory Sharpened: Comes fully ground to precise geometries, allowing you to mount and start internal threading or boring immediately.
• Easily Re-Sharpened: These solid M2 HSS bits can be easily re-sharpened on a bench grinder as they wear down, providing exceptional long-term value.
• Complete 6-Piece Configuration: Includes dedicated boring bars and both 55-degree and 60-degree internal thread-cutting tools alongside a precision tool holder.
• Sturdy Metal Storage Case: Protects your precision bars from damage and keeps your workshop organized.

What’s Included in the 6-Piece Set

• 3x Precision Boring Tools
• 1x 55° Internal Thread Cutting Tool
• 1x 60° Internal Thread Cutting Tool
• 1x Dedicated Tool Holder