03A121 - Walter 12-24 NC HSS Taper Tap for Steel and Aluminum

Precision Threading with Walter High Speed Steel Taper Taps

The Walter 03A121 12-24 NC Taper Tap is a premium-grade threading tool designed for industrial environments where accuracy and durability are paramount. Manufactured from top-quality High Speed Steel (HSS), this tap is engineered to cut threads into a variety of tough materials, including mild steel, stainless steel, and aluminum. Unlike standard carbon steel taps that may dull quickly or chip under stress, Walter's HSS composition ensures that the cutting edges remain sharp even after repeated use, providing a consistent thread profile every time.

One of the defining features of this specific tool is its "Taper" chamfer style. A taper tap typically features a chamfer length of 7 to 10 threads. This gradual entry allows the tap to distribute the cutting load over a longer length, making it the ideal choice for starting new threads in a drilled hole. The extended chamfer helps align the tool perpendicular to the workpiece, reducing the risk of cross-threading or misalignment at the start of the operation. This makes the 03A121 particularly useful for manual tapping applications where stability and ease of entry are critical for success.

The threads on the Walter 03A121 are precision ground rather than cut, a manufacturing process that results in superior accuracy and a smoother finish on the final thread. The tool undergoes a rigorous hardening and tempering process, balancing hardness for cutting efficiency with toughness to resist breakage under torque. Whether you are machining new components or performing maintenance repairs on existing equipment, this 12-24 NC tap delivers the reliability expected from Walter Surface Technologies. It is an essential component for any machinist or maintenance professional requiring dependable threading solutions for Unified National Coarse (UNC) standards.

By choosing Walter, you are investing in a tool that reduces downtime caused by breakage or poor thread quality. The 03A121 is optimized to evacuate chips effectively when used with appropriate cutting fluids, further extending the life of the tool and ensuring a clean, burr-free finish. It stands as a testament to Walter's commitment to providing high-performance cutting tools for the metalworking industry.