Drillco 20MM-1.50 4FL Bottom Tap (28A200BB)
Drillco 28A200BB 20MM-1.50 4FL Bottom Tap features straight flute “hand taps,” the most popular and versatile style of taps used in general machine tapping operations. Designed for both production tapping and hand operations, this tap excels in a wide range of application materials. Its geometry is ideal for threading through or blind holes, providing precise and consistent threads to the bottom of the hole.
Made from premium grade high-speed steel (HSS) for extended tool life
Geometry suitable for through or blind holes
Available in taper, plug, and bottoming geometries
Bright finish enhances lubricity and reduces wear
Left-handed teeth rotated counterclockwise to produce left-handed threads
Standard square shank compatible with standard-sized tap wrenches
Durable and reliable for a variety of tapping applications
Produces full threads to the bottom of the hole
Enhanced chip control and smooth tapping action
Easy to use with standard hand or machine tapping tools
Technical Specifications:
Size: 20MM x 1.50
Type: 4-Flute Straight Flute Bottom Tap
Material: Premium Grade High-Speed Steel (HSS)
Thread Direction: Left Hand
Geometries Available: Taper, Plug, Bottoming
Shank: Standard Square
Application: General machine tapping in various materials
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 28A200BB
