Tap set details
Drillco 1"-12 Nitro Tap Set (20N164FS)
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.
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.
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:
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
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 20N164FS
