Drillco 28A240BB 24MM-2.00 4FL Bottom Tap is a straight flute “Hand Tap,” widely used for general machine tapping operations. This versatile bottom tap is suitable for both production and hand tapping in a broad range of materials. Designed for threading through or blind holes, it features premium grade high-speed steel (HSS) construction with a bright finish to enhance lubricity. The left-handed teeth rotate counterclockwise to create left-handed threads. Equipped with a square shank compatible with standard tap wrenches. Made in the USA.
Features:
- 24MM-2.00 4-flute bottom tap
- Straight flute design for versatile application
- Ideal for threading through or blind holes
- Available in taper, plug, and bottoming geometries
- Bright finish for improved lubricity
- Left-handed teeth for counterclockwise threading
- Square shank for use with standard tap wrenches
- Made in USA
Benefits:
- Versatile for various tapping operations
- Creates left-handed threads for specialized applications
- Enhanced tool life with premium materials and finish
- Secure grip and ease of use with square shank
Technical Specifications:
- Model: 28A240BB
- Thread Size: 24MM-2.00
- Type: 4-Flute Bottom Tap
- Geometry: Bottoming
- Material: Premium Grade High-Speed Steel (HSS)
- Finish: Bright finish for lubricity
- Thread Direction: Left hand (counterclockwise)
- Shank: Square shank
- Application: Production and hand tapping of through or blind holes








