Carbon Steel UNC Hand Taps – 3-Piece Set for Marine Maintenance

The Carbon Steel Unified Coarse (UNC) Hand Taps set is an essential tool for marine engineers and maintenance crews. This 3-piece set includes taper, plug, and bottoming taps, providing the versatility needed to cut new threads or restore damaged ones on a variety of onboard fasteners. Built for shipboard applications, these taps deliver reliable performance in both routine maintenance and emergency repairs.

Each tap is manufactured from high-quality carbon steel with precision-ground cutting edges, ensuring clean and accurate thread formation. The robust construction withstands the demands of manual threading in tight spaces, whether in the engine room, on deck, or in workshops. With UNC sizing, these taps are compatible with standard imperial fasteners commonly used across the maritime industry.

Key Features

Technical Specifications

SpecificationDetails
Product TypeHand Tap Set
Thread StandardUNC (Unified Coarse)
MaterialCarbon Steel
Number of Taps3 (Taper, Plug, Bottoming)
Available Sizes1/4"-20, 5/16"-18, 3/8"-16 UNC
ApplicationManual threading of metals in marine environments
PackagingStorage case included

Frequently Asked Questions

What do the three taps in this set do?

The taper tap starts the thread, the plug tap continues it, and the bottoming tap finishes it to the bottom of a blind hole.

Are these taps suitable for use on stainless steel?

Carbon steel taps work best on mild steel, aluminum, brass, and similar materials. For stainless steel, we recommend using high-speed steel (HSS) taps.

Can I use these taps for both repair and new threading?

Yes, the set is designed for both creating new threads and cleaning damaged existing threads.

Do you offer other UNC thread sizes?

Yes, additional sizes are available on request. Contact us for details.

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