Hss tap set details
Drillco 7/8-14 HSS Tap Set H-4 (20E156FS)
Drillco 20E156FS 7/8-14 HSS Tap Set H-4 is a comprehensive straight flute hand tap set designed for a broad range of threading tasks. This set includes taper, plug, and bottoming taps to cover every stage of the tapping process. Made from premium high-speed steel (HSS) with H-4 hardness, these taps provide enhanced strength and wear resistance. The bright finish helps reduce friction and improves chip flow for smoother operation. Featuring a standard square shank, each tap is compatible with most common tap wrenches. Manufactured in the USA, this set is reliable for both machine and manual tapping in various materials.
Includes taper, plug, and bottoming taps for full-thread coverage.
Constructed from premium HSS with hardness class H-4 for durability.
Straight flute design suitable for diverse general-purpose applications.
Bright finish reduces friction and enhances chip evacuation.
Standard square shank compatible with most tap holders and wrenches.
Effective across a wide range of material groups.
Versatile tap set covering all tapping stages.
Reliable in both hand and production tapping environments.
Improved tool longevity due to premium material and finish.
Easy to integrate with standard tooling setups.
Technical Specifications:
Thread Size: 7/8-14
Type: Tap Set (Taper, Plug, Bottoming)
Material: High-Speed Steel (HSS)
Hardness Class: H-4
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 20E156FS
