Drillco 39mm x 4.0 Metric Bottoming Tap (28E390AB)

Description

Drillco 28E390AB 39mm x 4.0 Metric Bottoming Tap is a precision straight flute hand tap engineered to produce full threads to the bottom of blind holes, making it ideal for applications requiring maximum thread depth. Designed for versatility, this tap is suitable for both manual and machine tapping operations across a wide variety of materials. Crafted from general purpose high-speed steel (HSS), it features a 118° conventional point for rapid and efficient penetration. The bright finish enhances lubricity, which is especially beneficial when tapping non-ferrous materials such as aluminum. Its jobber length provides a balanced reach for most use cases, ensuring consistent performance and durability. Made in the USA, this tap guarantees high-quality craftsmanship for demanding industrial environments.

Features:

• Made from general purpose high-speed steel (HSS) for dependable tool life
• 118° conventional point designed for fast and efficient penetration
• Bright finish improves lubricity, ideal for non-ferrous materials like aluminum
• Jobber length suitable for a wide range of tapping applications
• Bottoming geometry enables full threading to the bottom of blind holes

Benefits:

• Achieves complete thread depth in blind holes for secure fastenings
• Reliable performance in manual and production tapping
• Enhanced tool life and smooth operation due to bright finish
• Versatile use in various materials, including aluminum and other non-ferrous metals

Technical Specifications:

• Model: 28E390AB
• Type: 6-Flute Bottoming Tap
• Size: 39mm x 4.0 Metric
• Material: General Purpose High-Speed Steel (HSS)
• Finish: Bright
• Point Angle: 118° Conventional
• Length: Jobber
• Application: General machine tapping for blind and through holes
• Country of Origin: USA