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The Walter 7/8-14 NF Taper HSS Tap (SKU: 03B144) is a premium-grade threading tool designed for industrial maintenance, repair, and operations (MRO). Manufactured by Walter Surface Technologies, a leader in metalworking solutions, this tap is engineered to deliver precise, clean threads in a variety of tough materials. Whether you are fabricating new components or repairing stripped threads in existing machinery, this tool provides the reliability professional machinists demand.
Constructed from top-tier High-Speed Steel (HSS), this tap offers significant advantages over carbon steel alternatives. HSS withstands higher temperatures without losing its hardness, allowing for faster cutting speeds and a longer service life. The tool has been meticulously hardened and tempered to resist chipping and breakage under torque, ensuring it remains a staple in your toolbox for years. Its ground threads are manufactured to tight tolerances, guaranteeing that every hole tapped meets the necessary specifications for fastener fitment.
This specific model features a Taper chamfer, characterized by a gradual lead of 7 to 10 threads. This design is critical for two main reasons:
The 7/8-14 NF configuration denotes a 7/8-inch nominal diameter with 14 threads per inch, adhering to the National Fine standard. Fine threads are often preferred in automotive and aerospace applications for their higher tensile strength and resistance to vibrating loose compared to coarse threads. This tap excels in working with aluminum, mild steel, and stainless steel, making it a versatile choice for diverse workshop environments.
| Additional Information |
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| Brand:Walter Surface Technologies |
| Item:Tap |
| Thread Size:7/8-14 NF |
| Material:High-Speed Steel (HSS) |
| Tap Style:Taper |
| Thread Type:National Fine (NF) |
| Application:Through Holes, Thread Repair |
| Packaging Description:1 per each |
