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Cleveland C56020 straight flute hand tap, black oxide finish, 1/2-13 plug

Cleveland

Cleveland C56020 Straight Flute Hand Tap 1/2-13 Plug HSS Black Oxide

SKU CH-WXAJ-H766W

Cuts 1/2-13 UNC threads with a 15/16 inch thread length and H3 limit for 2B fit

  • Product typeTaps
  • Cuts 1/2"-13 UNC threads accurately
  • High-speed steel resists wear during use
  • Black oxide finish reduces friction
  • Plug chamfer starts threads easily
  • Right-hand design fits standard applications

Cleveland C56020 Hand Tap 1/2-13

The Cleveland C56020 is a straight-flute hand tap cut for a 1/2"-13 UNC thread. Made from high-speed steel with a black oxide finish, it is intended for general-purpose threading in ferrous and non-ferrous materials. The plug chamfer suits through holes and blind holes with adequate clearance. Right-hand cutting direction matches standard fasteners.

Replaces worn or undersized taps

Swap in this H3-limit tap when an existing tool no longer produces a 2B class of fit or when thread gauges show excessive wear. The 75 percent thread drill size of 27/64 in provides a reliable starting point for new holes. The jump is worth it when thread quality checks fail or when a fresh tap restores consistent engagement on 1/2"-13 hardware.

Suits maintenance and low-volume threading

Mechanics and fabricators cutting occasional 1/2"-13 threads by hand or with a reversible drill will find the straight-flute geometry easy to control. High-volume production lines or tough alloys that demand spiral-point or spiral-flute evacuation should look at a different tap style. Buyers needing metric pitches or finer UNF series must select another tool.

How it compares

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

Price $16.99
Cheaper than about 70% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

What drill size matches the 27/64 in tap drill spec for this 1/2-13 tap?

Use a 27/64 in drill bit to produce the 75 percent thread depth this tap requires.

How do you start the plug tap straight in a blind hole?

Apply steady axial pressure while turning the tap clockwise; the plug chamfer guides the first threads but misalignment will cross-thread the hole.

When does the H3 thread limit on this high-speed steel tap require replacement?

Replace the tap when thread gauging shows the 2B fit is exceeded or when cutting edges show visible wear that affects thread quality.

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