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Master-Sine™
sine plates provide a sturdy and accurate way to grind or
measure angles.
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Hardened steel top plate has tapped holes for use with
clamping devices.
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The roll bar is made from hardened steel, ground and lapped
for straightness and roundness.
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Swivel block provides full face contact with gage blocks,
keeping them securely in place.
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Exclusive 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.
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Angular 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 45°.
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Side and back rail included.