Page 101 - Carmex - Inch Catalog 2022

®
Thread Turning Inserts Technical Section

Anvil Change Recommendation

As can be seen from the chart, some Pitch to Diameter combinations require an anvil change. If change is
required, use AE anvils for EX-RH and IN-LH toolholders and AI anvils for IN-RH and EX-LH toolholders.
ACME
STUB ACME
TRAPEZ (DIN 103)
ROUND (DIN 405)

As can be seen from the chart, most applications do not require an anvil change. If change is required, use AE
anvils for EX-RH and IN-LH toolholders and AI anvils for IN-RH and EX-LH toolholders.
PARTIAL PROFILE 60°
PARTIAL PROFILE 55°
ISO
UN
WHIT.
NPT
BSPT

As can be seen from the chart, most applications require an anvil change. In most cases a negative anvil is
required. Use AE anvils for EX-RH and IN-LH toolholders and AI anvils for IN-RH and EX-LH toolholders.

AMERICAN
BUTTRESS
SAGENGEWINDE
(DIN 513)
Wrong

Correct

A04-7