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Cleveland M6-1.00 straight flute tap, semi-bottoming, cobalt, black oxide finish

Cleveland

Cleveland C27669 Straight Flute Tap M6-1.00 Semi-Bottoming

SKU CH-4ARX-D5TM4

Cuts M6x1 metric threads with a semi-bottoming chamfer, 63.5 mm overall length and 15.88 mm thread length in cobalt steel with black oxide finish

  • Product typeTaps
  • M6-1.00 metric thread fits standard 5.00 mm tap drill
  • Semi-bottoming design threads blind holes to 15.88 mm depth
  • Cobalt construction with black oxide finish resists wear in tough materials
  • Straight flute geometry clears chips efficiently in through and blind holes
  • Compact 63.5 mm overall length suits tight workspaces and portable use

M6×1.00 metric tap for thread repair

This Cleveland straight-flute tap cuts M6×1.00 metric threads in a semi-bottoming configuration. It suits mechanics and maintenance teams who need to restore damaged threads or create new ones in through-holes and blind holes. The D5 thread limit and 6H class of fit provide standard tolerance for general fastening work. Right-hand cutting direction matches conventional tooling.

Cobalt construction resists wear during repeated

Cobalt steel with black oxide and nitride surface treatment maintains edge hardness under sustained use in steel and alloy workpieces. The 15.88 mm thread length and 63.5 mm overall length give sufficient reach for typical blind-hole depths. A 75 percent thread engagement with a 5.00 mm drill size produces consistent thread form without excessive torque buildup. Straight flutes clear chips effectively in horizontal or vertical orientations.

Semi-bottoming chamfer starts threads cleanly

The semi-bottoming lead allows the tap to start within 1.5 to 2 threads of the hole bottom, reducing the need for a separate bottoming tap in many jobs. Black oxide and nitride finish reduces galling and eases chip evacuation during hand or machine tapping. No external coolant ports or special holders are required; the tool fits standard tap wrenches and CNC toolholders for M6 metric sizes.

How it compares

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

Price $11.99
Cheaper than about 84% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

How much heat or noise does the Cleveland C27669 tap generate during continuous threading?

The tap produces no measurable heat or noise; it is a passive hand tool driven by a tap wrench or machine spindle.

What drill bit and holder does the buyer need before using this M6-1.00 tap?

A 5.00 mm drill bit for the 75 percent thread hole and a tap wrench or collet that fits the tap shank are required.

Will the D5 thread limit and 6H class of fit work with existing M6 hardware?

Yes, the D5 limit and 6H fit are standard for M6-1.00, so threads will match common metric bolts and nuts.

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