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
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically-treated lumber.Your risk from these exposures varies, depending on how often you do this type of work.To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic particles. For more information go to www.P65Warnings.ca.gov
