80232 Tap & Drill Set, National Fine Thread, 1/4-In. X 28

The Irwin 80232 Tap & Drill Set is a complete hand-threading solution for 1/4-inch by 28 national fine thread applications. This combo set pairs a high-carbon steel plug tap with a high-speed steel #3 drill bit, eliminating the need to purchase pilot bits separately. Whether you're performing routine maintenance, executing repair work, or rethreading fastener holes where moderate accuracy is required, this set delivers straightforward, reliable results for threading in a variety of materials.

Hand threading demands precision and control, and this set is engineered specifically for that purpose. The high-carbon steel tap maintains sharpness through repeated use, while the high-speed steel drill bit ensures fast, precise pilot-hole drilling. The included #3 drill bit provides everything you need to start threading.

Features and Benefits

• Engineered for Hand Threading: Specifically designed for manual threading work, offering superior control and ease of use compared to individual components.
• Complete Combo Set: The #3 drill bit is included, so you have everything needed to start—no separate purchases required.
• High-Carbon Steel Tap: Produces strong, durable threads ideal for general-purpose applications and maintains edge retention over time.
• High-Speed Steel Drill Bit: Ensures fast, accurate pilot-hole drilling to support proper tap alignment.
• Ready-to-Use Solution: This straightforward combination eliminates guesswork and is ideal for standard maintenance and repair jobs.

Specifications

• Brand: Irwin
• Model: 80232
• Thread Size: 1/4-In. x 28 (National Fine)
• Tap Material: High-carbon steel
• Drill Bit Material: High-speed steel (HSS)
• Drill Size: #3
• Includes: 1 plug tap and 1 drill bit