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The JIS Series of wear plate fully meets the Japanese 
Industrial Standard. They are 20mm thick and available in 
plain steel, steel with graphite plugs and aluminum-bronze with 
graphite plugs. The aluminum-bronze and steel with graphite 
plugs are self-lubricating products and do not require lubrication 
during production. They are supplied with two or four mounting 
holes to accommodate M10 S.H.C.S. For ease of identifi cation, 
all products are marked with the part number.

MATERIALS:
 Steel wear plates are manufactured 
from high quality carburized steel. They 
are precision ground and hardened to 
Rc 56-60 (1.2 mm to 1.5 mm deep). 
They are available with or without 
graphite plugs.
 Bronze wear plates are manufactured 
from aluminum bronze material with oil 
impregnated graphite plugs.
 When ordered with graphite plugs, the 
plugs cover 25-30% of the wear surface 
and are arranged to generate optimal 
coverage at any engagement direction 
of the wear plate.
TOLERANCES:
 Thickness  ± 0.025 mm
 Mounting hole locations ± 0.25 mm
 Flatness  ± 0.013 mm
 Unless otherwise noted ± 0.25 mm
MOUNTING SCREWS:
 M10 S.H.C.S. recommended. Plate has 
11mm through hole with 18mm counterbore 12mm deep.