Spiral point tap details
Drillco 9/16-12 Nitro Spiral Point Tap (21PS136C)
Drillco 21PS136C 9/16-12 Nitro Spiral Point Tap is engineered for machine tapping across a broad range of materials, including difficult-to-machine metals such as stainless steel. This Nitro multi-application spiral point tap enhances thread quality and improves chip evacuation. Made from premium-grade high-speed steel (HSS) with a bright finish, it offers extended tool life and smooth cutting performance. Available in plug and bottoming geometries for versatile threading applications.
Constructed from premium-grade high-speed steel (HSS) for longer tool life
Spiral flutes designed to pull chips out of the hole, preventing thread damage
Available in plug and bottoming geometries for maximum versatility
Bright finish enhances lubricity and reduces friction during cutting
Square shank compatible with tap wrenches and powered tapping machines
Delivers precise and clean threads in tough materials including stainless steel
Improves chip evacuation to reduce clogging and tool wear
Suitable for both manual and machine tapping operations
Technical Specifications:
Thread Size: 9/16-12
Type: Nitro Spiral Point Tap
Material: Premium-Grade High-Speed Steel (HSS)
Application: Machine Tapping in Various Materials
Product identification
- Brand: Drillco
- Model / MPN: 21PS136C





