8127 Fractional Tap, 5/16-In. X 18 NC Plug Tap, 4-Flute
Description
This Irwin 8127 fractional tap is a hand-threading tool designed for routine maintenance, repair work, and rethreading applications where high accuracy and tolerance thread is not critical. The 5/16-inch diameter with 18 NC (National Coarse) threads makes it suitable for hand threading work in a variety of materials. Whether you're a hobbyist or tradesperson, this plug tap offers reliable performance for threading jobs where precision-grade specifications are not required.
The straight-flute design is ground to provide rapid chip removal for efficient threading. The high-carbon steel construction produces a Class 2B thread suitable for general applications. Hand-operated and versatile, it works across many different project types, serving hobbyists and professionals alike for rethreading and thread restoration work.
Features and Benefits
- Four Straight Flutes: Ground to provide rapid chip removal for efficient threading in a variety of materials.
- High-Carbon Steel Construction: Durable HCS material delivers reliable performance and thread production.
- Class 2B Thread Production: Produces threads suitable for routine maintenance and repair work where high accuracy is not essential.
- Plug Tap Design: The plug configuration is ideal for hand threading and general-purpose applications.
- 5/16-In. x 18 NC Size: Fractional diameter and National Coarse thread pitch for common threading applications.
- Hand Threading Capability: Designed for manual operation without requiring powered equipment.
Specifications
- Brand: Irwin
- Model: 8127
- Diameter: 5/16 inch
- Thread Type: 18 NC (National Coarse)
- Tap Type: Plug Tap
- Flutes: 4 straight
- Material: High-carbon steel (HCS)
- Thread Class: 2B