Drillco bottoming tap details
Drillco 11/16-11 Nitro Bottoming Tap (20N144CB)
Drillco 20N144CB 11/16-11 HSS Nitro Bottoming Tap is a high-performance straight flute hand tap designed for efficient threading in blind holes and tight spaces. Ideal for general machine tapping operations, thread repair, and maintenance work, this tap offers precision, durability, and ease of use across a wide range of material groups. With its bottoming chamfer and premium high-speed steel construction, it delivers reliable results even in demanding production environments.
Crafted from premium high-speed steel (HSS) with high carbon content for superior strength and wear resistance.
Nitro (black oxide) finish improves lubricity, reduces friction, and enhances tool life.
Bottoming chamfer geometry allows for full threading close to the bottom of blind holes.
Standard square shank fits most tap wrenches and tap holders.
Perfect for threading near the bottom of holes without over-cutting.
Reduced chip buildup and smoother cutting action during tapping.
Excellent for use in maintenance, repair, and general machine shop operations.
Technical Specifications:
Thread Size: 11/16-11
Type: Bottoming Tap
Material: High Speed Steel (HSS)
Finish: Nitro (Black Oxide)
Flute Type: Straight
Chamfer: Bottoming
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 20N144CB
