HSS Tap 3/8"-32 UNEF Right-Hand 73mm | Metalworking Thread Tool
HSS Tap 3/8"-32 UNEF Right-Hand 73mm | Metalworking Thread Tool
HSS Tap 3/8"-32 UNEF | 73mm Right-Hand Thread Cutting Tool
Precision-engineered for metalworking professionals and DIY enthusiasts alike, this High Speed Steel (HSS) tap is designed to cut clean, accurate internal threads in carbon steel, alloy steel, and cast iron. Whether you're machining parts in a workshop or tackling a home fabrication project, this 3/8"-32 UNEF tap delivers reliable, repeatable results every time.
Key Features
- Material: High Speed Steel (HSS) — durable, heat-resistant, and long-lasting
- Thread Specification: 3/8"-32 UNEF (Unified Extra Fine) Right-Hand Thread
- Overall Length: Approximately 73mm
- Color: Silver
- Quantity: 1 piece
- Compatible Materials: Carbon steel, alloy steel, and cast iron
- Application: Cutting internal threads for metalworking, fabrication, and DIY projects
Why Choose This HSS Tap?
The UNEF (Unified Extra Fine) thread series is widely used in precision applications where fine thread engagement is critical — such as thin-walled tubing, instrument fittings, and tight-tolerance assemblies. The right-hand thread design ensures compatibility with standard fasteners, making this tap a versatile addition to any toolkit.
Made in Mainland China.
What's in the Box?
- 1 × HSS Tap (3/8"-32 UNEF, 73mm)
Important Notes
- Colors may appear slightly different due to monitor brightness and lighting conditions.
- Please allow a minor measurement tolerance of ±1mm due to manual measurement.
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Frequently Asked Questions
Q: What materials can the 3/8"-32 UNEF HSS tap cut threads in?
A: This High Speed Steel tap is suitable for cutting internal threads in carbon steel, alloy steel, and cast iron. Its HSS construction provides the hardness and heat resistance needed for reliable performance across these common metalworking materials.
Q: Is this a right-hand or left-hand thread tap?
A: This is a right-hand thread tap, which is the standard direction used with the vast majority of fasteners and fittings. It follows the conventional "righty-tighty" threading direction.
Q: What does UNEF mean, and where is it commonly used?
A: UNEF stands for Unified Extra Fine thread series. It features a finer thread pitch than standard UNC or UNF threads, making it ideal for precision applications such as thin-walled components, instrument housings, optical fittings, and other assemblies where maximum thread engagement in limited material depth is required.
Q: What is the overall length of this tap?
A: The tap measures approximately 73mm (about 2.87 inches) in overall length, making it compact and easy to handle with a standard tap wrench or holder.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.