TYPES AND USES
HAND SCREW CLAMPS
C-clamps are used to hold work which cannot be held in
a vise, or which has to be held for extended periods of
time. They are available in a variety of sizes.
The hand screw clamp is made up of two hardwood or
high impact plastic jaws (1) and two hand-operated
screws (2) which hold the clamp together. The hand
screw clamp is used for holding wood while gluing. They
are available in a variety of sizes.
USING A C-CLAMP
Select a clamp which has an opening about 1-1/2 to
2 inches wider than the material to be clamped.
Glass and highly polished surfaces must be pro-
tected. Use brass shims or wooden blocks. Open
clamp as wide as it will go.
Align work and protective blocks if required. Place
clamp (1) in position, and tighten operating
screw (2) until contact is made with material being
Check alignment of material being clamped. Check
that the clamp is applying even pressure over entire
Do not use wrenches or bars to tighten
Tighten clamp against surface.