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Metric Fine Thread Hand Taps – 3-Piece Set (Carbon Steel or HSS)

Name: Metric Fine Thread Hand Taps 3-Piece Set
SKU: METRIC-FT-TAPS-3PC

These metric fine thread hand taps are essential for creating, cleaning, or re-cutting precise internal threads in shipboard metalwork. Each set contains three matching taps – taper, intermediate, and plug – designed to progressively cut complete threads with minimal effort. Ideal for marine engineers, repair crews, and fabricators who require reliable threading tools that perform in demanding saltwater environments.

Choose from durable carbon steel for general-purpose threading in mild steel, aluminum, and brass, or high-speed steel (HSS) which offers superior hardness and heat resistance for threading tougher materials such as stainless steel. All taps are precision-ground to exact metric fine thread pitches and feature reinforced shanks for strength and longevity in manual tap wrench use.

Our metric fine thread hand taps are available in a range of standard JIS/ISO thread sizes to suit a variety of applications, from engine components to deck hardware. Backed by a rigorous quality inspection, these taps deliver clean, accurate threads and consistent performance, making them a reliable addition to any ship's toolkit or maintenance inventory.

Key Features

3-piece set includes taper, intermediate, and plug taps for progressive thread cutting
Available in carbon steel or high-speed steel (HSS) for different material compatibility
Precision-ground metric fine threads meet JIS/ISO standards
Suitable for hand use with standard tap wrenches
Ideal for marine maintenance, repair, and fabrication work
Hardened and tempered for durability and long service life
Available in multiple diameter and pitch combinations

Technical Specifications

Specification	Details
Product Type	Metric Fine Thread Hand Taps (Set of 3)
Set Contents	1 Taper Tap, 1 Intermediate Tap, 1 Plug/Bottoming Tap
Thread Type	Metric Fine (to JIS/ISO Standards)
Material Options	Carbon Steel (CS) or High Speed Steel (HSS)
Finish	Bright (CS) / Steam Tempered (HSS)
Common Sizes Available	M3×0.5, M4×0.5, M5×0.5, M6×0.75, M8×1.0, M10×1.0, M12×1.25, M12×1.5
Application	Hand tapping in ferrous and non-ferrous metals
Standards	Meets international tolerance for general purpose threading
Packaging	Individual set in protective sleeve

Frequently Asked Questions

What is the difference between taper, intermediate, and plug taps?

The taper tap has a longer lead-in angle that starts the thread gradually, reducing cutting resistance. The intermediate tap has a shorter lead and is used after the taper tap to deepen the thread. The plug (bottoming) tap has almost no lead and cuts threads to the bottom of a blind hole.

Can these taps be used on stainless steel?

Yes, if you select the high-speed steel (HSS) option. HSS taps are harder and more heat-resistant, making them suitable for stainless steel. For best results, use cutting fluid and apply steady pressure while turning.

What sizes are available?

This product is offered in various metric fine thread sizes, including M3×0.5, M4×0.5, M5×0.5, M6×0.75, M8×1.0, M10×1.0, M12×1.25, and M12×1.5. Please specify your required size when ordering.

How should I lubricate the taps for marine metals?

For ferrous metals, use a high-quality cutting oil or thread cutting fluid. For aluminum or brass, a light machine oil works well. Proper lubrication reduces friction, improves thread finish, and extends tap life.

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Metric Fine Thread Hand Taps – 3-Piece Set (Carbon Steel or HSS)

Key Features

Technical Specifications

Frequently Asked Questions

Inquire About This Product

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