Drillco 1″-12 Nitro Tap Set (20N164FS)

Description

Drillco 20N164FS 1″-12 HSS Nitro Tap Set is a professional-grade tap set featuring taper, plug, and bottoming taps for comprehensive threading versatility. Whether you’re starting threads, finishing them, or threading to the bottom of a blind hole, this high-performance set provides the right tool for the job. Designed for use across a broad range of materials, the Nitro black oxide finish enhances wear resistance and chip flow. This USA-made set is essential for machinists, maintenance professionals, and anyone needing dependable, long-lasting threading tools.

Features:

• Includes taper, plug, and bottoming taps for full threading flexibility in one set.
• Constructed from high-speed steel (HSS) with a high carbon content for durability and edge retention.
• Nitro (black oxide) finish increases lubricity and resists wear in tough materials.
• Precision-cut straight flutes ensure clean chip removal and consistent thread quality.
• Square shank fits most standard tap wrenches and holders.

Benefits:

• Provides all three chamfer styles—ideal for starting, progressing, and finishing threaded holes.
• Reduces the need to purchase multiple separate taps for a single job.
• Performs well in production, repair, or general-purpose machine shop applications.

Technical Specifications:

• Model: 20N164FS
• Thread Size: 1″-12
• Type: Tap Set (Taper, Plug, Bottoming)
• Material: High Speed Steel (HSS)
• Finish: Nitro (Black Oxide)
• Flute Type: Straight
• Chamfer: Taper / Plug / Bottoming
• Shank: Square
• Country of Origin: USA