2B Radio Parts LLC

Replacement Parts For

Semi-Automatic Keys & Paddles

Copyright © 2011 - 2B Radio Parts, LLC

All Rights Reserved

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4-36 x 1/4” L

Fillister Head Screw’s

for your VIBROPLEX

Hard to find 4-36 thread screws were used for one of the finger-piece mounting screws, lower pivot bearing lock screw, and also on the Dit U spring collar. These are Nickel plated screws.


Pk of 3 screws $1.00

Plus S&H

Replacement Nylon

Small Shoulder Washers

Used on mid 60’s and Newer

Bugs and paddles w/Small Post Holes


Pk of 8  Price $1.25

 Plus S&H

Replacement (One Piece) Delrin

Large Shoulder Washers

Used on early 60’s and Older Bugs w/Large Post Holes


Pk of 3  Price $4.00

Plus S&H

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Head OD .445”  +/- .002”

Head Thickness .061”  +/- .002”

Overall Length .535” +/- .007”

Barrel OD .248” +/- .001”

Head OD .345”  +/- .002”

Head Thickness .061”  +/- .002”

Overall Length .312” +/- .007”

Barrel OD .204” +/- .001”

About Us


We now only supply

“Bug-Weights”

and parts for

Bugs & Keyer paddles.


WA9TGT / Donnie / SKCC# 10784

“VIBROPLEX” is a Registered Trademark of  the Vibroplex Company

“Micro Fine Contact Burnishing Tool”


(Professional Quality Contact Burnishing Tool)

Only .007” Thick / 3/16” Wide


(1) Contact Burnishing Tool $2.25

Plus S&H