compound sine plates provide a sturdy and accurate way to
grind or measure angles.
steel top plate has tapped holes for use with clamping
- The roll bar
is made from hardened steel, ground and lapped for
straightness and roundness.
- Swivel block
provides full face contact with gage blocks keeping them
securely in place.
locking device inside the hinge roll provides a positive
lock with an expanding action. Both screws lock toward the
front of the unit, pulling the top plate down on the set-up
gage blocks without distortion. Hinge is made from hardened
steel, ground and lapped.
accuracy of set-ups is guaranteed to be within 5 seconds of
arc up to 15°, 10 seconds up to 30° and 15 seconds up to
- Side and
back rail included.