Drillco 5/8-11 52 Degree Hand Tap Bottom (20F140CB)
Drillco 20F140CB 5/8-11 52 Degree Hand Tap Bottom is specifically crafted for threading difficult-to-machine materials with superior accuracy and chip control. Featuring a bottoming geometry and fast spiral flutes, this high-performance hand tap is ideal for threading deep blind holes. Made from premium-grade high-speed steel (HSS), it delivers long-lasting cutting performance and is designed for both production and hand-tapping operations.
Bottoming geometry ideal for threading near the bottom of blind holes
Fast spiral flutes enhance chip evacuation in deep hole applications
Manufactured from premium grade HSS for increased tool life
Bright finish minimizes friction and improves cutting action
Standard square shank ensures easy compatibility with tap wrenches
Enables full-depth threading in blind holes
Reduces risk of chip packing and tap breakage
Consistent thread quality across tough materials
Durable construction lowers maintenance and replacement costs
Technical Specifications:
Thread Size: 5/8-11
Type: HSS Bottoming Tap
Flute Style: Fast Spiral
Geometry: Bottoming
Material: Premium Grade High-Speed Steel (HSS)
Shank Style: Standard Square
Application: Blind hole threading; challenging material machining
Country of Origin: Made in USA
Product identification
- Brand: Drillco
- Model / MPN: 20F140CB





