Value Collection JY4995841 M9x1.50 Hand Tap Hss 4-flute

Product Description

The VALUE COLLECTION JY4995841 is a straight-flute hand tap designed for cutting internal M9x1.50 metric special threads in a wide range of materials. Built from high speed steel with a bright uncoated finish, this 4-flute plug tap is ground to a 6H class of fit with a D6 thread limit, delivering consistent thread quality in both production and maintenance environments. The plug chamfer provides a gradual lead-in of several threads, making it suitable for through holes and moderately deep blind holes. Overall length is 2-23/32 inches with a 1-1/8 inch thread length. Machinists, tool and die makers, and maintenance technicians use this tap for hand tapping operations where a controlled thread form is required.

This tap is suited for threading M9x1.50 metric special holes in ferrous and non-ferrous metals, plastics, and composites. The right-hand thread direction is standard for the vast majority of fastener applications. The straight flute design is well-suited for short-chipping materials where flute geometry is less critical for chip evacuation. It is intended for hand tapping use with a tap wrench or equivalent hand-tapping tool and is not rated for coolant-through applications.

Key Features

• M9x1.50 metric special thread form for non-standard thread pitches
• High speed steel construction provides hardness and wear resistance across common workpiece materials
• Plug chamfer with 4-flute straight flute design for consistent thread engagement in through and blind holes
• 6H class of fit and D6 thread limit for close-tolerance internal threading
• Bright uncoated finish — no coating buildup that could affect thread tolerance in critical fits
• Right-hand thread direction, compatible with standard right-hand fastener assemblies

Compatibility

Designed as an OEM-style hand tap for use in any application requiring an M9x1.50 metric special internal thread in a 6H tolerance class.

Installation Notes

This tap is intended for hand tapping operations performed by machinists or maintenance technicians using a tap wrench. Ensure the workpiece is securely fixtured and the starter hole is drilled to the correct tap drill diameter for M9x1.50 before beginning. Apply cutting fluid appropriate to the workpiece material and reverse the tap periodically to break chips and prevent binding. Do not force the tap; excessive torque can cause tap breakage, particularly in harder materials.