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The IMPORT BDNA-20674 is a 3-piece tap set designed for cutting 10-24 UNC internal threads in a variety of materials. The set includes bottoming, plug, and taper chamfer taps, allowing the technician to progress through the full threading sequence in a single kit. All three taps are manufactured from high-speed steel (HSS) with a gold oxide finish that provides light lubricity and corrosion resistance during use. Each tap measures 2.375 inches in overall length and features 4 flutes for efficient chip evacuation. Thread limit is H3, appropriate for standard tolerance threading applications.
This tap set is suited for use in maintenance, repair, and fabrication environments where 10-24 UNC threaded holes are required. The three-chamfer configuration makes it practical for through-hole and blind-hole applications. Machinists, maintenance technicians, and trade professionals working with sheet metal, light structural components, and equipment housings will find this set well matched to production and repair threading tasks.
Designed for cutting 10-24 UNC threads; compatible with standard hand tap holders and machine tap adapters sized for number 10 taps.
Threading operations with this tap set should be performed by a qualified machinist or maintenance technician familiar with proper tap drill sizing and cutting technique. Use appropriate cutting fluid or tapping oil to extend tap life and improve thread quality. Secure the workpiece firmly before tapping, and back the tap off periodically to break chips when working in blind holes. Inspect taps for wear or chipping before each use to avoid tap breakage.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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