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Cleveland C55332 spiral point tap plug 3 flutes 1/2-13 UNC HSS TiN finish

Cleveland

Cleveland C55332 spiral point tap plug 3 flutes 1/2-13 UNC

SKU CH-ZAFY-1HZW2

Cuts 1/2-13 UNC threads in through-holes with a 3-flute high-speed steel body and TiN coating

  • Precision threads from spiral-point chip evacuation
  • 1/2-13 UNC sizing fits standard fasteners
  • High-speed steel with TiN resists wear
  • Three-flute design balances strength and clearance
  • H3 limit ensures Class 2B thread accuracy

What this tap is and who uses it

The Cleveland C55332 spiral point tap cuts 1/2-13 UNC threads in a single pass. Its three-flute high-speed steel body with a TiN coating suits machine tapping of through-holes in steel and similar materials. The right-hand H3 limit targets a 2B class of fit for general-purpose threading work.

Check your setup before ordering

Confirm the workpiece material is compatible with high-speed steel and that your machine can drive a 3 3/8 in overall length tool. The required 75 percent thread drill size is .4219 in; verify your drill bit matches this before starting. Ensure the holder accommodates the 1 21/32 in thread length and right-hand rotation.

Behaviour under sustained load

The TiN coating reduces friction and wear when the tap runs continuously in production batches. Spiral point geometry pushes chips ahead of the cut, preventing packing in deep through-holes during long cycles. High-speed steel construction maintains edge hardness at elevated temperatures typical of extended machining sessions.

How it compares

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

Price $19.99
Cheaper than about 64% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND

Questions about this item

Does the Cleveland C55332 tap include a matching 0.4219 in drill bit, or must that be purchased separately?

The tap is sold as a single cutting tool. The 75 percent thread drill size of 0.4219 in is a specification for the hole you must drill before tapping; the drill bit itself is not included.

When should I choose this H3 limit, 3-flute, 1/2-13 UNC tap over other thread limits or flute counts?

Select this tap when cutting internal 1/2-13 UNC threads in through-holes where the H3 pitch-diameter limit and three-flute spiral-point design suit the material and thread-class-2B requirement.

How does the 1 21/32 in thread length affect the usable depth in a real workpiece?

The 1 21/32 in thread length is the cutting portion of the tap; you can cut full-form threads up to that depth in a through-hole or a blind hole with adequate chip clearance beyond the cut.

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