AVK
A-H Series™

The A-H Series™ provides exceptional spin out resistance in punched hex holes and is recommended for use with mating thread-locking fasteners.

Home A-H Series™ Insert Installation Steps and Video

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The A-H Series™ Insert features a radius corner hex body. When installed into a corresponding hex hole, the radius corners of the A-H Series Insert expand and fill the hole corners providing exceptional resistance to spinning in the panel. The A-H Series™ is designed to be used with Grade 5 or Metric Class 8.8/9.8 mating screws.

The A-H Series™ Insert can be installed using AVK’s ARO brand Pneumatic Tools or AVK’s SPP™ Pneumatic/Hydraulic Tools. These tools can be located at any position on your assembly line. The A-H Series™ can be installed either before or after finish.


EXCEPTIONAL resistance to spinning in the panel is achieved as the A-H Series™ hex body expands FILLING THE HOLE
AVOID STRESS FRACTURES of your material and prolong punch and die life by specifying a radius corner in your hex hole. This is possible when using the A-H Series™ radius hex body insert.
QUALITY INSTALLATIONS even in variable thickness materials are assured by AVK’s spin/spin ARO Pneumatic Tools and our SPP™ Pneumatic/Hydraulic Tools.
SUPERIOR CORROSION RESISTANCE is provided by our standard zinc/yellow dichromate finish (96 hrs. salt spray to white corrosion). For exceptional corrosion protection we offer a tin/zinc alloy finish.
THREADS GAUGE before and after installation due to the increased cross-sectional thickness of the thread area. Thread dilation is prevented.
INVENTORY REDUCTION is possible because of the A-H Series™ wide grip range capacity. It is 2.5 times greater than conventional rivet nuts.
SUPERIOR THREAD STRENGTH is provided due to our internal rolled thread manufacturing process.
AVAILABLE IN STEEL.


A-H Series™ Insert Installation Steps and Video

Various A-H Series™ Design Types
CLOSED END

Thread area is enclosed eliminating leakage past the threads from either side of the application.

SEALED HEAD

A PVC foam seal is bonded to the underside of the head and when installed provides a weathertight seal. Also available in the closed end version.