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Cleveland spiral point tap #8-36 two flutes bright finish

Cleveland

Cleveland C57089 Spiral Point Tap #8-36 2 Flutes

SKU CH-FGZ3-0S1QK

Spiral point tap cuts #8-36 UNF threads in through-holes with two flutes and H2 limit

  • TypeTaps
  • Designed for through-hole threading with spiral point geometry
  • High-speed steel construction resists wear during repetitive tapping
  • #8-36 UNF thread size matches precise fastener requirements
  • Two-flute design clears chips efficiently in shallow cuts
  • Bright uncoated finish suits general-purpose metalworking applications

Cleveland C57089 Spiral Point Tap

The Cleveland C57089 is a spiral point tap designed to cut UNF threads. It is made from high speed steel with a bright uncoated finish. The tool features a right hand thread direction and a plug chamfer style. It suits machinists and maintenance technicians creating internal threads in through holes.

Suited for through hole threading

This tap suits users cutting #8-36 UNF threads in through holes where forward chip ejection is required. The two flute design and spiral point push chips ahead of the cut. It is not for blind holes where chips must be pulled up and out. Buyers needing a bottoming chamfer or more flutes for tougher materials should look elsewhere.

#8-36 UNF thread size

The decisive specification is the #8-36 UNF thread size with a H2 thread limit and H3 class of fit. This defines the exact pitch diameter tolerance and the matching 75 percent thread drill size of #29. Verify the thread specification and hole size before purchase to ensure the correct fit for the application.

Highlights

  • Designed for through-hole threading with spiral point geometry
  • High-speed steel construction resists wear during repetitive tapping
  • #8-36 UNF thread size matches precise fastener requirements
  • Two-flute design clears chips efficiently in shallow cuts
  • Bright uncoated finish suits general-purpose metalworking applications

Specifications

BrandCLEVELAND
TypeTaps

Questions about this item

What drill size matches the 75 percent thread spec for this #8-36 tap?

Use a #29 drill to prepare the hole for 75 percent thread engagement.

How do you start the tap squarely so the spiral point clears chips forward?

Align the tap perpendicular to the workpiece, apply steady pressure for the first few turns, then let the spiral point push chips ahead of the flutes.

When should this H2 limit tap be replaced to keep threads in H3 class?

Replace it once flank wear rounds the cutting edges enough that gauged threads fall outside the H3 tolerance band.

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