AD-420 Thread Verification & Chasing Toolholders

NEW VISTA SUPERCOMPLIANT TOOLHOLDERS

— Permits tools to follow out-of-position and off-angle threads —

AD-620
U.S. Patent 7,513,720. Other patents pending.

FEATURES

  • For use with a variety of thread-verification and thread-chasing powered Units.
  • Eliminates jamming, cross-threading and off-axis re-cutting due to difficulty in aligning the tool with the threaded feature.
  • Also used in applications where metallic adhesions (on the thread gage member or chasing tool) would otherwise be a problem.
  • Will find and follow threaded holes (or external threads) that are out of position up to 3.5mm (.140”) true position; and, for specialty applications, out of square up to 3º.
AD-420 Thread Verification & Chasing Toolholders

SPECIFICATIONS FOR AD-420S

MODEL AD-420
OUTSIDE DIAMETER Ø40mm (Ø1.59”)
OVERALL LENGTH 89mm (3.50”)
MAX. OFFSET FROM CENTERLINE 1.75mm (.069”) (Ø3.50mm or Ø.138” true position)
MAX RPM 3,600
TORQUE RATING 30 N-m (22 ft.-lb.)

CAPACITIES

DRILL OR TAP Ø13mm (Ø1/2”)
THREAD CHASE Ø16mm (Ø5/8”)
THREAD VERIFICATION Ø25mm (Ø1”)
An AD-420 equipped on an STH Thread-Verification Unit.
An AD-420 equipped on an STH Thread-Verification Unit.

Applications Assistance

An Application Form is available from the New Vista website: https://www.newvistacorp.com/contact/. Fill in the blanks and send it to [email protected]. Or you can get help by calling this U.S. telephone number: 410-342-3820, then 0, and then ask for Applications Assistance. We speak English and Spanish. A New Vista Applications Engineer will help you select the proper Thread Unit and Thread Gage or Chasing Members — and work with you if you need a special, or a system.