Drillco 28E420AP 42mm x 4.5 Metric Plug Tap features straight flute “hand taps,” widely regarded as the most popular and versatile taps used in general machine tapping operations. This plug tap is designed to efficiently create threads in through or blind holes, offering reliable performance across a broad range of materials including steel, aluminum, brass, and plastics. Ideal for both production and hand tapping, it ensures precise thread cutting with minimal tool wear, helping to maintain productivity and reduce downtime in machining processes.
Features:
- Made from general purpose high-speed steel (HSS) for extended tool life
- 118° conventional point enables rapid penetration and smooth threading
- Bright finish improves lubricity and is ideal for non-ferrous materials such as aluminum
- Jobber length suitable for a wide range of tapping applications
- Straight flute design for effective chip removal and clean threads
- Standard square shank compatible with standard-sized tap wrenches
Benefits:
- Efficient thread formation in through or blind holes
- Durable design that withstands both hand and machine tapping
- Minimizes tool wear while providing clean, accurate threads
- Versatile use across various materials and applications
Technical Specifications:
- Model: 28E420AP
- Size: 42mm x 4.5
- Type: Metric Plug Tap (Straight Flute)
- Material: General Purpose High-Speed Steel (HSS)
- Point Angle: 118° Conventional
- Finish: Bright
- Length: Jobber Length
- Shank: Standard Square
- Application: General machine tapping for various materials
- Country of Origin: USA








