American Petroleum Institute (API) Round Threads

  • For Buttress Thread Inserts 6 - 20 pitch use Standard Replaceable Insert Thread Mill Tools (Insert Style ATM-410A)
  • For Buttress Thread Inserts 1 - 5 pitch use Helical Shell Mill Holders ( SMH4015TA8-F8 ) and Inserts ( ITH4015..... )
  • Insert Style ATM-38A & ATM-38B available upon request
  • Coarse Pitch & Different Flank Angle Buttress Thread Form available upon request
  • Coatings available include TiAIN (Z), TiN (C), AlTiN (V)
  • Dimensions shown in Inches



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Item # Thread Form Pitch Flank Angle Rake Angle Clearance Angle Insert Size List Price
ATM-410A10API

American Petroleum Institute (API)

10

60

Neutral

10

410A

ATM-410A10APIC

American Petroleum Institute (API)

10

60

Neutral

10

410A

ATM-410A10APIV

American Petroleum Institute (API)

10

60

Neutral

10

410A

ATM-410A10APIZ

American Petroleum Institute (API)

10

60

Neutral

10

410A

ATM-410A8API

American Petroleum Institute (API)

8

60

Neutral

10

410A

ATM-410A8APIC

American Petroleum Institute (API)

8

60

Neutral

10

410A

ATM-410A8APIV

American Petroleum Institute (API)

8

60

Neutral

10

410A

ATM-410A8APIZ

American Petroleum Institute (API)

8

60

Neutral

10

410A