Case Studies

Kennametal Tap Test

The Client:

A local contract manufacturer.

The Challenge:

The customer was tapping a "blind hole" in 17-4PH stainless steel and felt they were not getting apporiate productivity and tool life. They were using a high speed steel "OSG" 10-32 2B tap with an oxide coated surface.

The Solution:

H&C Tool Supply recommended they test a Kennametal tap with a chromium carbide carbon (CRCC) coating. Kennametal technicians came to thier facility and ran a test.

The Benefit:

The customer was very pleased with the results of the test:

  • SPEEDS AND FEEDS WERE MORE THAN DOUBLED
  • TAPPING CYCLE WAS REDUCED FROM 1.06 MINUTES TO .443 MINUTES
  • TAP LIFE INCREASED FROM 164 HOLES PER TAP TO 1000 PER TAP
  • TAP USAGE PER YEAR ON THIS JOB WENT FROM 25 TAPS TO 4 TAPS
  • COST PER PIECE WENT FROM $1.73 TO $0.66
  • THERE WERE 24 HOURS OF MACHINE TIME FREED PER YEAR AS WELL

The cost of the "OSG" tap was $15.86 per tap.

The Kennametal tap cost was $36.92 per tap.

The increased production and increased tool life, more than offset initial tooling cost.

Tapping 3 

Tapping 2

Tapping 1

H&C Tool Supply would be more than happy to help you reduce your costs as well!

 

 

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