Description
Drillco 20A224FB 1-3/8-12 HSS Bottoming Tap is engineered for precision threading near the bottom of blind holes in both machine and hand tapping operations. This straight flute tap is made from general-purpose high-speed steel (HSS), featuring a 118° conventional point for rapid penetration. The bright finish is ideal for non-ferrous materials like aluminum, offering clean cutting performance and extended tool life. Designed with jobber length for standard applications and made in the USA, this tap is a reliable choice for low and medium strength material drilling.
Features:
- Bottoming style tap ideal for threading close to the bottom of blind holes.
- Straight flute design suitable for general-purpose tapping tasks.
- Made from high-speed steel (HSS) for durability and wear resistance.
- 118° conventional point for quick and efficient penetration.
- Bright finish designed for clean cutting in non-ferrous materials like aluminum.
- Jobber length accommodates most common tapping setups.
Benefits:
- Accurate threading in blind holes for precision-critical applications.
- Excellent choice for aluminum and other low to medium strength materials.
- Bright finish reduces chip build-up and improves cutting visibility.
- Strong construction ensures long service life and reliability.
Technical Specifications:
- Model: 20A224FB
- Thread Size: 1-3/8-12
- Tap Style: Bottoming, Straight Flute
- Material: High-Speed Steel (HSS)
- Point Type: 118° Conventional
- Surface Finish: Bright
- Length: Jobber
- Country of Origin: USA






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