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Cleveland M12 x 1.75 straight flute hand tap, bright uncoated finish

Cleveland

Cleveland C54691 M12 x 1.75 Straight Flute Hand Tap

SKU CH-15H3-MKNBA

Creates M12 × 1.75 metric threads using a straight-flute high-speed-steel hand tap with 85.72 mm overall length and 42.07 mm thread length

  • Product typeTaps
  • M12 x 1.75 metric thread cuts standard 6H fit
  • High-speed steel body resists wear during hand tapping
  • Straight flute design clears chips in through holes
  • 72 mm overall length reaches deep threads
  • 30 mm drill size prepares correct 75 % thread hole

M12 x 1.75 metric thread tap

The Cleveland C54691 is a straight-flute hand tap cut for an M12 x 1.75 metric thread. It is made from high-speed steel with a bright, uncoated finish and a right-hand thread direction. The thread limit is D6 for a 6H class of fit, suited to general-purpose threading work.

Bottoming chamfer for through or blind holes

A bottoming chamfer lets the tap cut threads close to the bottom of a blind hole or run through a through-hole. The thread length is 42.07 mm within an overall length of 85.72 mm. A 10.30 mm drill size prepares the hole for approximately 75 percent thread engagement.

D6 limit matches 6H tolerance class

The D6 limit provides the correct oversize for a standard 6H internal thread, giving reliable pitch diameter control in steel and similar materials. The uncoated high-speed steel edge works well in manual or machine tapping where coolant or lubricant is used. It is not designed for high-volume production runs that demand coated or spiral-point tooling.

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
Product typeTaps

Questions about this item

What thread limit does the Cleveland C54691 tap reach before it starts to bind in deeper holes?

The tap is manufactured to a D6 thread limit, which controls the pitch-diameter tolerance for a 6H class of fit.

Does the high-speed steel hold its edge without overheating during a full day of hand tapping?

High-speed steel construction resists heat build-up during manual use, and the bright uncoated finish reduces friction in steel and non-ferrous metals.

What size drill bit must I already have to prepare the correct 75 percent thread hole?

A 10.30 mm drill bit is required to produce the recommended 75 percent thread depth for M12 x 1.75 tapping.

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