HSS Hand Tap Set - UNF Thread
- • Material: HSS
- • Grade: M-2
- • Thread Type: UNF (Unified Fine)
- • Standard Compliance: ANSI B1.1
Precision-thread fine-pitch fasteners with our HSS Hand Tap Set in UNF (Unified Fine) thread, designed for applications requiring superior vibration resistance and precise tension control. Manufactured to ANSI B1.1 standards, these taps produce the finer thread profile preferred in aerospace, automotive, and marine engineering where joint integrity under dynamic loads is critical. Available ex-stock in Dubai for immediate supply to workshops and maintenance facilities.
UNF Thread - Specifications
| Thread Size | TPI | Pitch (in) |
|---|---|---|
| UNF 1/4" | 28 | 0.036 |
| UNF 5/16" | 24 | 0.042 |
| UNF 3/8" | 24 | 0.042 |
| UNF 7/16" | 20 | 0.050 |
| UNF 1/2" | 20 | 0.050 |
| UNF 9/16" | 18 | 0.056 |
| UNF 5/8" | 18 | 0.056 |
| UNF 3/4" | 16 | 0.063 |
| UNF 7/8" | 14 | 0.071 |
| UNF 1" | 12 | 0.083 |
| UNF 1-1/8" | 12 | 0.083 |
| UNF 1-1/4" | 12 | 0.083 |
| UNF 1-3/8" | 12 | 0.083 |
| UNF 1-1/2" | 12 | 0.083 |
| 8-UN 1-3/4" | 8 | 0.125 |
| 8-UN 2" | 8 | 0.125 |
| 8-UN 2-1/4" | 8 | 0.125 |
| 8-UN 2-1/2" | 8 | 0.125 |
| 8-UN 2-3/4" | 8 | 0.125 |
| 8-UN 3" | 8 | 0.125 |
| 8-UN 3-1/4" | 8 | 0.125 |
| 8-UN 3-1/2" | 8 | 0.125 |
| 8-UN 3-3/4" | 8 | 0.125 |
| 8-UN 4" | 8 | 0.125 |
UNF (Unified Fine) Hand Tap Sets for High-Vibration & Precision Applications
Unified Fine (UNF) thread is the preferred choice for applications where vibration resistance, precise stress distribution, and fine adjustment are essential. With more threads per inch than UNC, UNF fasteners provide greater tensile area and superior locking characteristics, making them the standard thread form in aerospace assemblies, automotive drivetrains, and high-performance marine engines. Our HSS hand tap sets in UNF thread are ground to ANSI B1.1 specifications for exacting thread production.
The finer pitch of UNF threads allows for more accurate torque control during assembly, reducing the risk of over-tightening and thread stripping in critical joints. These taps are essential for maintenance and repair of imported American and Japanese equipment, hydraulic components, and instrumentation systems. Engineering firms and MRO facilities across Dubai depend on our UNF tap sets for consistent, high-quality fine threading in alloy steels, stainless steel, and non-ferrous metals.
Need coarse-pitch unified threads? Check our UNC Hand Tap Sets for general-purpose American standard threading.
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