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Cleveland M5x0.8 spiral flute tap, cobalt, black oxide, 70 mm overall, 26 mm thread, three flutes

Cleveland

Cleveland C98137 Spiral Flute Tap M5x0.8 3 Flutes

SKU CH-1THG-856GH

A cobalt spiral-flute tap cuts M5 × 0.8 metric threads to a 6H fit with three flutes and a 26 mm thread length in a 70 mm overall body

  • Product typeTaps
  • M5 x 0.8 metric thread cuts standard holes
  • 3-flute spiral design clears chips efficiently
  • Cobalt construction with black oxide resists wear
  • 26 mm thread length reaches deep bores
  • 70 mm overall length fits common holders

What this tap is and who it is for

The Cleveland C98137 is a spiral-flute tap for cutting M5x0.8 metric threads in through-holes or blind holes. Its cobalt construction with black-oxide finish resists wear in steel and stainless alloys. The 70 mm overall length and 26 mm thread length suit general machine-tapping work where chip evacuation matters.

What to check before ordering

Verify the workpiece material is compatible with cobalt tooling and that the hole is drilled to the 4.20 mm size for a 75 percent thread. Confirm the machine spindle runs right-hand rotation and can hold a 6H class-of-fit tap. Ensure the semi-bottoming chamfer matches the hole depth you need.

Thermals noise and power draw

Hand-held or machine tapping generates heat at the cutting edges; use cutting fluid to control temperature and extend tool life. Noise level depends on the driving machine and workpiece rigidity rather than the tap itself. Power draw is determined by the spindle drive and material hardness, not by the tap alone.

How it compares

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

Price $26.99
Typical for this category: the median of 5,493 items is $27.99.

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

What does the Cleveland C98137 M5x0.8 spiral-flute tap include and what else is needed?

The box contains the tap only; a 4.20 mm drill bit for the 75 percent thread hole, tapping fluid and a suitable tap wrench must be purchased separately.

Which version of the M5x0.8 spiral-flute tap should I choose for a through-hole versus a blind hole?

This model is a semi-bottoming design with 26 mm thread length and 3 flutes, making it suitable for both through-holes and moderately deep blind holes in one tool.

What does the 70 mm overall length mean when the tap is in a machine or hand holder?

The 70 mm overall length gives enough reach for standard M5 holes while keeping the tool rigid enough for accurate 6H class threads in cobalt steel.

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