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Cleveland straight flute tap M12x1.25 high speed steel black oxide finish

Cleveland

Cleveland C27672 Straight Flute Tap M12x1.25 pneumatic accessory

SKU CH-FDBH-CBZYY

Straight flute tap cuts M12×1.25 metric threads with 4 flutes and semi-bottoming design

  • Product typeTaps
  • M12x1.25 metric thread fits precise tapping jobs
  • Semi-bottoming design reaches deeper into blind holes
  • Four straight flutes clear chips efficiently during cutting
  • High-speed steel with black oxide resists wear and corrosion
  • 81 mm thread length on 85.72 mm overall tool

Thread Cutting Tool for M12x1.25 Holes

The Cleveland C27672 is a straight flute tap designed to cut internal threads in metric M12x1.25 holes. It is intended for machinists and maintenance technicians who need to create new threads or repair damaged ones in a variety of materials using hand or machine tapping operations.

Semi-Bottoming Design with Black Oxide Finish

The semi-bottoming chamfer allows the tap to start threads easily and cut close to the bottom of blind holes. A black oxide coating on the high speed steel body helps retain lubricant and reduces galling during the cutting process. Four flutes provide adequate chip clearance for efficient material removal.

D6 Thread Limit Determines Fit Class

The tap is manufactured to a D6 thread limit, which controls the pitch diameter tolerance and resulting class of fit for the finished thread. This specific limit decides whether the produced thread meets the required specification for the intended assembly. Verify the D6 limit matches your engineering drawing requirements before use.

How it compares

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

Price $21.99
Cheaper than about 60% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

How often will the M12x1.25 straight flute tap need replacement when cutting production volumes?

Replacement depends on material hardness and cutting speed; the D6 thread limit and high-speed steel body maintain size longer than carbon steel, but no fixed interval applies.

What limit appears first during continuous tapping — tap wear or chip packing in the 4 flutes?

Chip evacuation in the semi-bottoming flutes typically limits sustained runs before the cutting edges dull, especially in deep or blind holes.

Does the black oxide coating reduce heat buildup when the tap runs all day in a pneumatic driver?

Black oxide helps retain cutting fluid and lowers friction slightly, but sustained heat still depends on speed, lubrication and workpiece material.

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