2Pcs 1/4"-20 UNC Spiral Point Thread Tap for Stainless Steel and Metal
- 【Spiral Point Tap Size】Includes 2Pcs 1/4"-20 UNC spiral point tap. Overall length: 2.78 in (70.5 mm); thread length: 1.12 in (28.5 mm); square shank: 4.8 mm x 4.8 mm (L x W); shank diameter: 6.2 mm; thread pitch: 20 TPI. Comes with a compact storage case for easy portability.
- 【 High Quality】Made from premium M2 steel, hardened and titanium‐coated. The unique spiral point tip design delivers higher cutting efficiency, greater torsional strength, and enhanced durability.
- 【 Wide Application】This professional spiral point tap is specifically designed for through‐hole threading, with chips ejected downward for clean, high‐quality threads. It is especially suitable for cutting or repairing threads in stainless steel, cast iron, aluminum, bronze, and other hard metals.
- 【Usage Tips】 First drill a pilot hole (drill bit sold separately), then tap steadily at a 90° angle. Reduce speed when working with harder materials. Threading depth should not exceed 3 times the tap diameter.
- 【Applicable Equipment】Suitable for both manual and machine operations, including tapping machines, drill presses, CNC lathes, and machining centers. We recommend using cutting fluid for better thread quality and extended tool life.
Estimated shipping
Select a product to estimate shipping.Looking for reliable threading tools for your metalworking projects? ATIVITOL’s Thread Milling Taps offer precision and durability for a variety of applications. These taps are designed to create clean, strong threads in stainless steel and other metals, making them a valuable addition to any workshop.
Key Highlights
- Precise Threading: Features a 1/4"-20 UNC spiral point thread, ensuring accurate and consistent thread formation.
- Durable Construction: Crafted from M2 high-speed steel (HSS) with a titanium coating for enhanced strength and longevity.
- Efficient Cutting: The spiral point design promotes higher cutting speeds and reduced friction.
- Clean Threading: Designed for downward chip ejection, resulting in cleaner threads and less material buildup.
- Compact Storage: Includes a convenient storage case for organized and portable use.
Useful Facts
- Material: M2 HSS (High-Speed Steel)
- Finish: Titanium Coating
- Brand: ATIVITOL
- Thread Size: 1/4"-20 UNC
- Tool Type: Spiral Point Thread Tap
Good Fit For
- Metalworking Professionals
- DIY Enthusiasts
- Repair and Maintenance Tasks
- Projects Requiring Stainless Steel Threading
Product details





Specifications
| Main Specification | |
|---|---|
| Manufacturer | ATIVITOL |
| Unit Count | 2 Count |
| Surface Recommendation | Stainless Steel |
| Tool Flute Type | Spiral |
| Brand | ATIVITOL |
| Included Components | 2Pcs 1/4"-20 UNC Spiral Point Thread Tap |
| Material | M2 HSS |
| Finish Type | Titanium |
| Product information | |
|---|---|
| Finish types | Titanium |
| Set Name | 2Pcs 1/4"-20 UNC Spiral Point Thread Tap Set |
| Technical Details | |
|---|---|
| Model | AT005-2PS1420 |
| Material Type | M2 HSS |
| Others | |
|---|---|
| Product Type | Thread Milling Taps |
| Item Highlight | 1/4-20 UNC M2 HSS Right Hand Thread Milling Tap |
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