Value Collection JY4838454 Straight Flute Tap 10-48 Uns

Product Description

The VALUE COLLECTION JY4838454 is a straight flute bottoming tap designed for threading 10-48 UNS internal threads in blind holes and through holes where full thread depth is required close to the bottom. Manufactured from high-speed steel with a bright, uncoated finish, this tap delivers reliable performance across a range of ferrous and non-ferrous workpiece materials. The 3B class of fit designates a standard tolerance for general-purpose fastener assemblies, and the H2 thread limit ensures consistent sizing across production runs. At 2.375 inches overall length with a right-hand thread and 4-flute geometry, this tap is well suited to hand-tapping and machine-tapping applications in toolroom and production environments.

This bottoming tap is intended for use in applications where thread engagement must extend to the very bottom of a blind hole, or where preceding taper and plug taps have already started the thread. It is commonly used by machinists, maintenance technicians, and tool-and-die professionals working on precision assemblies, jigs, fixtures, and mechanical components requiring a fine-pitch UNS thread in the No. 10 diameter class. The 4-flute straight-flute design is appropriate for shorter chipping materials and CNC or drill-press tapping setups.

Key Features

• 10-48 UNS thread form for non-standard fine-pitch thread applications
• Bottoming chamfer allows threading to the base of blind holes
• 4 straight flutes provide chip clearance suitable for shorter-chipping materials
• High-speed steel construction offers good wear resistance and toughness
• H2 thread limit maintains consistent tolerance across production use
• 3B class of fit suits standard general-purpose threaded assemblies
• Right-hand thread direction; bright uncoated finish for broad material compatibility

Compatibility

Designed as an OEM-style replacement or direct-use straight flute bottoming tap for machine and hand-tapping operations requiring a 10-48 UNS, 3B class of fit thread in standard toolroom and production machining setups.

Installation Notes

This tap should be installed and operated by qualified machinists or toolroom technicians familiar with tapping feeds, speeds, and cutting fluid requirements for the workpiece material. Always secure the workpiece and ensure the tap is properly aligned with the pilot hole before applying torque to avoid tap breakage. When using in a blind hole, clear chips frequently and use an appropriate cutting fluid to extend tool life. Follow applicable shop safety standards and machine-tool manufacturer guidelines for tapping attachments and torque limiters.