03B051 - Walter 5/16-18 NC HSS Taper Tap for Steel and Stainless

Precision Threading with Walter High Speed Steel Taps

The Walter 5/16"-18 NC Taper Tap (SKU: 03B051) represents the pinnacle of threading tool technology for industrial maintenance and repair operations. Designed to meet the rigorous demands of professional machinists and facility maintenance teams, this tap is engineered from premium-grade High Speed Steel (HSS). Unlike standard carbon steel taps that dull quickly, Walter's HSS composition ensures the cutting edges remain sharp even when threading challenging materials such as stainless steel and hardened alloys. The manufacturing process involves precision grinding of the threads, followed by a specialized hardening and tempering treatment. This results in a tool that offers exceptional wear resistance and reduces the likelihood of tooth breakage under load.

The "Taper" style of this specific tool is characterized by a pronounced chamfer over the first 7 to 10 threads. This geometry is critical for starting new threads in a drilled hole, as it distributes the cutting load gradually and helps align the tap perpendicular to the workpiece. For maintenance professionals who often need to tap holes manually in awkward positions, the taper profile provides the necessary stability to ensure a straight, clean thread every time. It is particularly effective for through-holes where the tap can pass completely through the material.

In an industrial setting, reliability is key. A broken tap inside a critical component can lead to costly downtime and difficult extraction procedures. Walter's commitment to quality ensures that the 03B051 tap delivers consistent performance, reducing the risk of binding or snapping. Whether you are repairing stripped threads on machinery or fabricating new fixtures from mild steel or aluminum, this tap provides the smooth cutting action and chip evacuation required for high-quality results. It is an essential addition to any MRO toolkit, offering the versatility to handle a wide range of metals with a single, durable tool.

Recommended Usage

For optimal results, use this tap with a suitable cutting fluid or lubricant, such as Walter Coolcut, to reduce friction and heat generation. Ensure the correct drill size is used prior to tapping to prevent excessive torque on the tool.