Irwin Irwin 80235 Tap & Drill Set, Hcs/hss, 5/16-in. X 18 Nc

This tap and drill bit set is designed for creating 5/16-inch x 18 national coarse threads on metal fasteners. Whether you're performing routine maintenance, making repairs, or rethreading fasteners where standard accuracy is sufficient, this set provides the essential tools to generate dependable threads quickly and efficiently.

The set combines a high-carbon steel plug tap with a high-speed steel drill bit, making it ideal for hand threading work in a variety of materials. The plug tap produces a Class 2b thread suitable for general-purpose applications, while the drill bit ensures fast, precise drilling before tapping. This combination allows you to complete threading tasks from start to finish with two compatible tools.

Features and Benefits

• Class 2b Thread Production: Generates threads with a dependable fit suitable for routine fastening applications.
• High-Carbon Steel Tap: The plug tap is crafted from high-carbon steel and designed for hand threading, supporting comfortable manual use in various metal materials.
• High-Speed Steel Drill Bit: The included HSS drill bit delivers fast, precise drilling to prepare holes before tapping.
• Straight Flutes: Designed with straight flutes ground to provide rapid chip removal for efficient threading operations.
• Hand Threading Friendly: Both tools are optimized for manual operation, making them practical for workshop and maintenance tasks.

Specifications

• Brand: Irwin (BLACK AND DECKER US INC)
• Model: 80235
• Size: 5/16-inch x 18 National Coarse thread
• Tap Material: High-carbon steel (HCS)
• Drill Bit Material: High-speed steel (HSS)
• Thread Class: 2b
• Included Components: Plug tap and Letter F drill bit