Great Planes Brass Threaded Insert 1/4-20 (4)

Tower Stock# GPMQ3368  •  Manufacturer Stock# GPMQ3368
Great Planes Brass Threaded Insert 1/4-20 (4) (large view)
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Notes from our tech department:
These are Great Planes Brass Threaded Inserts (1/4-20)


Brass construction
The perfect way to put threads into wood and mount engines to wood
mounting rails. Threaded inserts make a simple & effective way to
make wing hold downs.
Can be used where blind nuts are hard to fit
Comes in a Parts-Pak clear plastic box with resealable lid
One year quality guarantee


(4) Threaded Inserts


5/16" Drill Size (package says 3/8 but that is too large)
Epoxy (GPMR6042)
Standard Slotted Screwdriver (-)


Thread Size: -20
Length: "
Diameter: 3/8" OD overall
5/16" OD of main body


Package says it threads into a 3/8" hole. But it threads into a 5/16"
diameter hole that is " deep.

KPM 11/23/93
specs, bit size & comments updated tjt 072705


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