The NAAMS Series of wear plate fully meets the North
American Automotive Standard. They are 20mm thick and
available in plain steel, steel with graphite plugs and aluminumbronze with graphite plugs. The aluminum-bronze and steel
with graphite plugs are self-lubricating products and do not
require lubrication during production. All NAAMS wear plates are
supplied with mounting holes to accommodate M12 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 ± 0.012 mm
Unless otherwise
noted ± 0.25 mm
MOUNTING SCREWS:
M12 S.H.C.S. recommended. Plate
has 13.5mm through hole with
20mm counterbore 13mm deep.
