Drillco 27MM-3.00 4FL Bottom Tap (28A270AB)
Drillco 28A270AB 27MM-3.00 4FL Bottom Tap includes straight flute “hand taps,” which are widely recognized as the most popular and versatile taps for general machine tapping operations. These taps deliver reliable performance in both production and hand tapping scenarios, suitable for a broad spectrum of materials including steel, aluminum, brass, and plastics. The bottom tap is specifically designed for threading to the bottom of blind holes, ensuring full thread engagement and precise results. Engineered for durability and precision, this tap ensures clean, sharp threads while minimizing tool wear, making it an essential tool for machinists, maintenance professionals, and manufacturing operations.
Made from premium grade high-speed steel (HSS) for extended tool life
Geometry ideal for through or blind holes
Available in taper, plug, and bottoming tap geometries for complete threading solutions
Bright finish enhances lubricity and reduces wear
Left-handed teeth rotated counterclockwise to produce left-handed threads
Standard square shank for compatibility with standard-sized tap wrenches
Versatile tap suitable for a broad range of materials and tapping needs
Effective chip evacuation and smooth thread cutting
Durable design for extended tool life in production or hand use
Precise thread formation with minimal burrs or damage
Technical Specifications:
Size: 27MM x 3.00
Type: 4-Flute Straight Flute Bottom Tap
Material: Premium Grade High-Speed Steel (HSS)
Thread Direction: Left Hand
Shank: Standard Square
Application: General machine tapping in various materials
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 28A270AB
