Cleveland
Cleveland C96107 Spiral Point Tap #6-40 UNF Cobalt 3 Flutes
Cuts UNF #6-40 threads in hard materials using cobalt steel with a spiral-point design that pushes chips ahead of the cut
- #6-40 UNF thread cuts cleanly in hard metals with cobalt steel construction
- Spiral point design pushes chips forward through 3 flutes for smoother tapping
- 2 13/64 inch overall length reaches deeper holes without extension
- Black oxide finish resists wear and corrosion during repeated use
- 75 percent thread engagement with #33 drill size ensures precise fit
Cleveland Spiral Point Tap
The Cleveland C96107 is a spiral point tap designed for creating internal threads in through-holes. It features a #6-40 UNF thread size and a three-flute cobalt construction with a black oxide finish. This right-hand cutting tool suits professional machinists and maintenance technicians requiring precise thread generation. The plug chamfer style supports general-purpose threading applications across various materials.
Thread Size #6-40 UNF
The defining specification is the #6-40 UNF thread size, which determines compatibility with matching fasteners and drilled holes. A 75 percent thread drill size #33 is specified for preparing the workpiece before tapping. The thread limit and class of fit are both rated 2B, ensuring standard tolerance for unified fine threads. Overall length measures 2 13/64 inches with a thread length of 25/32 inches.
Through-Hole Threading Specialists
This tap suits users cutting threads in through-holes where chip evacuation ahead of the tool is preferred. The spiral point design pushes chips forward, making it unsuitable for blind-hole applications where chips must be pulled out. Buyers needing a bottoming chamfer for threading to the bottom of a blind hole should look at a different tap style. The cobalt substrate offers enhanced wear resistance over standard high-speed steel for tougher alloys.
Highlights
- #6-40 UNF thread cuts cleanly in hard metals with cobalt steel construction
- Spiral point design pushes chips forward through 3 flutes for smoother tapping
- 2 13/64 inch overall length reaches deeper holes without extension
- Black oxide finish resists wear and corrosion during repeated use
- 75 percent thread engagement with #33 drill size ensures precise fit
Specifications
| Brand | CLEVELAND |
|---|
Questions about this item
How deep can the #6-40 UNF thread be cut in one pass with this tap?
The thread length is 25/32 in, so a single pass can cut threads up to that depth in a through-hole or blind hole with sufficient clearance.
What drill size should I use before tapping a #6-40 UNF hole for a 75 percent thread?
Use a #33 drill bit; it is the specified 75 percent thread drill size for this thread form and class of fit.
What is the overall length of the tap and will it fit my tap holder?
Overall length is 2 13/64 in; check that your tap holder or wrench accommodates at least that length for secure engagement.
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