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Cleveland C57193 spiral point tap plug, bright finish, three flutes, 7/16-14 UNC

Cleveland

Cleveland C57193 Spiral Point Tap Plug 3 Flutes 7/16-14 UNC

SKU CH-A5N9-0KKG2

A 7/16‑14 UNC spiral-point tap with three flutes, high-speed steel construction and a bright finish for through-hole threading

  • Cuts threads efficiently with spiral-point design
  • Three flutes clear chips for smoother tapping
  • High-speed steel construction resists wear
  • Right-hand UNC 7/16-14 thread fits standard holes
  • Bright uncoated finish suits general-purpose use

Cleveland C57193 Spiral Point Tap

The Cleveland C57193 is a spiral point tap designed for creating internal threads in through-hole applications. It targets machinists and maintenance technicians who require reliable thread production in steel and similar materials. The plug chamfer style supports general-purpose threading tasks where a bottoming tap is not required.

UNC Thread Standard Constraints

This tap conforms to the Unified National Coarse standard with a 7/16-14 thread specification and a 2B-3B class of fit. The H5 thread limit defines the tolerance zone for the produced threads, limiting use to holes matching this allowance. The 75 percent thread drill size U indicates the specific tap drill required before threading. The right-hand cutting direction restricts operation to standard clockwise rotation only.

Upgrade From Basic Taps

The high-speed steel construction with a bright uncoated finish replaces standard carbon steel taps where higher cutting speeds and longer tool life are needed. The three-flute spiral point design pushes chips ahead of the cut, improving evacuation compared to straight-flute hand taps in through holes. The jump is worth it when thread quality and reduced tap breakage outweigh the higher initial cost of high-speed steel tooling.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 77% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND

Questions about this item

Should I choose the 3-flute version or a different flute count for this 7/16-14 UNC tap?

The 3-flute design on this spiral point tap balances chip clearance and strength for through-hole threading in most materials.

What does the H5 thread limit mean when I cut threads with this tap?

H5 sets the pitch diameter tolerance for a 2B-3B class of fit, giving a standard precision internal thread on a 7/16-14 UNC size.

How does the spiral point geometry affect chip flow on a 7/16-14 UNC hole?

The spiral point pushes chips ahead of the tap in through holes, reducing packing and torque on this 3-flute high speed steel tool.

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