Hertel K014538AS Straight Flute Tap 10-32 Unf Plug Hss

Product Description

The HERTEL K014538AS is a straight flute tap designed for cutting 10-32 UNF internal threads in a wide range of materials. Built from high-speed steel (HSS) with a bright, uncoated finish, this tap delivers consistent thread quality in production and maintenance environments. It features a plug chamfer, 4 flutes, and a right-hand thread direction. The overall length is 2.375 inches, and the thread limit is H11 with an oversize value of 0.0050 inches. Machinists, toolroom technicians, and maintenance professionals use this tap for tapping operations on manual and CNC machine tools.

This tap is suited for through-hole and blind-hole applications where a straight flute geometry is appropriate, typically in softer metals and materials that produce chips that can be cleared without a spiral flute. The plug chamfer style, with its moderate lead-in, makes it a general-purpose choice for starting threads in a pre-drilled hole. It is commonly used in light manufacturing, MRO work, and precision assembly where 10-32 UNF threads are specified.

Key Features

• Thread size 10-32 UNF, right-hand thread direction
• Plug chamfer for general-purpose through-hole and blind-hole tapping
• 4 straight flutes for chip clearance in softer materials
• High-speed steel construction for durability across a range of workpiece materials
• Bright, uncoated finish suitable for use with standard cutting fluids
• H11 thread limit with 0.0050 inches oversize allowance

Compatibility

Designed as an OEM-style replacement or standard production tap for applications requiring 10-32 UNF straight flute plug taps in high-speed steel.

Installation Notes

This tap is installed by machinists or toolroom technicians using a tap handle, tapping head, or CNC rigid tapping cycle. Ensure the workpiece is secured and the pilot hole is drilled to the correct tap drill size for 10-32 UNF before beginning the tapping operation. Apply an appropriate cutting fluid for the workpiece material to extend tap life and improve thread finish. Do not force the tap if resistance increases suddenly, as this may indicate chip packing or an undersized pilot hole.