This is a package of 50 sets of No.4 grip mounting kits,
with fillister head slotted screw, brass ferrule, and brass
press-in nut, in 4-40 thread.
Gunmakers, stockmakers, and others who make a large number
of handgun grips can save money by purchasing sets of 50 kits
rather than buying one or five sets at a time.
You should use a .248 to .251 inch diameter hole for the press fit nut and
ferrule. Leave at least 0.025 inches of grip material in the mounting hole to
prevent pulling through the grip when the screw is tightened. Installation
instructions come with the kits.
How to cut off the screw to proper length for your grip:
Assemble the finished grips on your gun, using the screw you wish to cut
to length. Measure how much of the screw projects beyond the brass
nut. A toothpick held along the projecting screw tip can be marked with a
sharp pencil at the end of the screw. Remove the screw, and hold the
toothpick at the threaded end of the screw to measure how much to snip
off. Mark the screw with a marker pen or wrap a piece of tape precisely
around the portion to be cut off.
To avoid losing the cut-off screw, first push it through a good sized piece of cardboard or tape the head portion
to a large piece of scrap paper. This will make it easy to find the cut-off screw if it trys to flip away on the final
cut. You don’t want to hold the screw by the threads you will be using, only by the part you intend to cut off and
discard.
Clamp the screw by its threaded tip (the portion to be cut off) in a vise. Use a fine-blade (42+ teeth/inch) saw
or a thin bonded abrasive cut-off wheel in a Dremel or Moto-tool to cut through the screw. Leave at least one
extra thread beyond what you actually need. This will allow you to sand or fine the tip to remove any thread
damage and produce a “lead in” angle on the screw tip.
File, sand, or grind the tip of the screw with a fine abrasive wheel, sanding belt, sandpaper wrapped around a
flat stick, or a fingernail sanding stick, to remove the damaged last thread. Apply a gentle bevel at the screw
end. Your screw should now fit easily by hand into the brass nut and only project slightly from it with the grips
secured.
|
