Regal Cutting Tools 015240AS Acme Thread Tap 1/2-10

Product Description

The REGAL CUTTING TOOLS 015240AS is a 1/2-10 Acme thread tap designed for cutting internal Acme threads in metal workpieces. Built from high speed steel with a bright finish, it delivers reliable cutting performance across a range of machinable metals. The plug chamfer provides a gradual thread lead-in, making it well suited for through-hole tapping applications. With 4 straight flutes and a right-hand thread direction, this tap produces 29-degree Acme thread forms to a Class 2G tolerance standard. It is used by machinists, tool-and-die tradespeople, and maintenance professionals who require precision internal threading in production or repair environments.

This tap is suited for cutting 1/2-10 Acme threads in through-hole applications in ferrous and non-ferrous materials. The plug chamfer style - typically featuring a 3 to 5 thread lead - makes it a general-purpose choice for most tapping operations where the tap can pass fully through the workpiece. It is commonly applied in the fabrication of lead screws, jigs, fixtures, and mechanical assemblies that rely on Acme thread engagement for linear motion or clamping force.

Key Features

• 1/2-10 Acme thread form with 29-degree thread angle for standard Acme thread profiles
• Class 2G tolerance for a general-purpose fit with moderate clearance
• High speed steel construction for heat resistance and extended tool life in production tapping
• Bright finish - no coating - suitable for use with cutting fluids across a range of materials
• 4 straight flutes for efficient chip evacuation in through-hole applications
• Plug chamfer for gradual thread engagement and reduced entry force

Compatibility

Designed as an OEM-style cutting tool for producing 1/2-10 internal Acme threads in through-hole workpieces where a Class 2G fit is specified.

Installation Notes

This tap is installed by machinists and tooling professionals using a tap wrench, tapping head, or CNC tapping attachment. Always use an appropriate cutting fluid for the workpiece material to reduce heat and extend tap life. Secure the workpiece firmly and ensure the tap is aligned perpendicular to the surface before engagement to avoid tap breakage or thread distortion. Follow all applicable shop safety procedures when operating tapping equipment.