Description

Drillco 28A390BB 39MM-3.00 6FL Bottom Tap is a straight flute “Hand Tap” widely used in general machine tapping operations. This 6-flute bottom tap is ideal for production and hand tapping in various materials, especially suited for creating full threads at the bottom of blind holes. Made from general purpose high-speed steel (HSS), it features a 118° conventional point designed for rapid penetration. The bright finish is especially effective for drilling in non-ferrous materials such as aluminum. With jobber length, it is suitable for most general-purpose tapping applications. Made in the USA.

Features:

39MM-3.00 6-flute bottom tap
Straight flute design for versatile application
118° conventional point for rapid penetration
Bright finish ideal for non-ferrous materials like aluminum
Jobber length for general use
Made in USA

Benefits:

Creates full threads at the bottom of blind holes
Optimized for rapid cutting and penetration
Bright finish improves performance in non-ferrous materials
Durable and versatile for various tapping applications

Technical Specifications:

Model: 28A390BB
Thread Size: 39MM-3.00
Type: 6-Flute Bottom Tap
Material: General Purpose High-Speed Steel (HSS)
Finish: Bright finish
Point Angle: 118° conventional point
Length: Jobber length
Application: Production and hand tapping, ideal for blind holes and non-ferrous materials