Cleveland
Cleveland C96116 Spiral Point Tap 5/16-18 UNC Cobalt 3 Flutes
Creates UNC threads in 5/16-18 holes using a three-flute cobalt spiral-point tap
- Cuts clean threads in tough metals with cobalt construction
- Starts easily in through-holes using spiral-point geometry
- Removes chips efficiently through three-flute design
- Reduces friction and wear with black-oxide coating
- Matches standard UNC fits at 2B class tolerance
Cleveland C96116 Spiral Point Tap
The Cleveland C96116 is a spiral point tap designed for creating unified coarse threads in through-hole applications. It suits machinists and maintenance technicians who need reliable thread cutting in steel or alloy workpieces.
Plug-style geometry with cobalt construction
The plug chamfer starts threads cleanly in existing holes while the cobalt substrate resists wear during repetitive use. Three flutes evacuate chips forward through the hole, reducing torque and preventing binding in deep cuts. The black oxide finish adds lubricity and corrosion resistance for longer service life.
Thread limit 2B ensures standard fit
Manufactured to a 2B class of fit, this tap produces threads that meet common industrial tolerances without additional gauging. The 75 percent thread drill size F simplifies drill selection for consistent engagement. Right-hand cutting direction matches standard tooling conventions for immediate compatibility.
Highlights
- Cuts clean threads in tough metals with cobalt construction
- Starts easily in through-holes using spiral-point geometry
- Removes chips efficiently through three-flute design
- Reduces friction and wear with black-oxide coating
- Matches standard UNC fits at 2B class tolerance
Specifications
| Brand | CLEVELAND |
|---|
Questions about this item
How does the 2B thread limit affect hole tolerance when the tap is used continuously?
The 2B class of fit provides standard internal thread tolerance; the cobalt body and black oxide coating resist wear so the limit stays consistent through repeated cuts.
Does the cobalt spiral point tap run hotter or noisier than high-speed steel when threading all day?
Cobalt holds hardness at higher temperatures, reducing heat buildup and cutting noise during extended production runs.
What drill size must I already have to prepare the 75 percent thread for this 5/16-18 UNC tap?
A size F drill creates the correct 75 percent thread hole before tapping with the 3-flute spiral point tool.
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