The OSG Metric A-Spiral Point Left-Hand Through-Hole Tap is a precision threading tool designed for left-handed threads in through-hole applications. Built for reliability and long life, it’s ideal for engineers and machinists tackling demanding tapping jobs with confidence.

• Size and orientation: M16 x 2 left-hand thread for DIN 376 through-hole tapping.
• Material: Powder metal construction delivers robust wear resistance and excellent heat tolerance.
• Coating: TiCN coating reduces friction, enhances chip evacuation, and extends tool life in tough materials.
• Geometry: A-Spiral Point design efficiently pushes chips forward to maintain clean, accurate threads.
• Application: Specifically suited for through-hole left-hand threading in a variety of materials and fixture setups.
• Brand and standards: OSG quality built to DIN 376 specifications for dependable performance.

With its TiCN-coated, powder-metal body and spiral-point geometry, this tap delivers consistent left-hand threads and smooth finishes while resisting wear and high temperatures. The design supports efficient chip control in through-holes, reducing downtime and improving production reliability across steel, aluminum, and cast alloys. Whether you're fabricating new assemblies or repairing existing parts, this tap provides the precision and durability needed for repeatable results.