Use and Care Manual
14
MiTek
®
Product Catalog
Copyright © 2020 MiTek Industries, Inc. All Rights Reserved
Corrosion
Protection Level
Finish / Material Description
Required
Fastener Ordering
Primer
Primer paint is used to protect steel during shipping
and installation but is not considered a corrosion
protection method when installed in corrosive
environments
Bright fasteners
Stock number as
listed in the chart
G90 Galvanizing
Galvanizing provides a prefabrication coating of
0.90 ounces of zinc per square foot of surface area
(both sides) measured in accordance with ASTM A 653
Bright fasteners
Stock number as
listed in the chart
Triple Zinc (TZ)
(G-185 Galvanizing)
TZ galvanizing provides a prefabrication coating of
1.85 (G-185) ounces of zinc per square foot of
surface area (both sides) measured in accordance
with ASTM A 653
Hot-dip galvanized
or Exterior Coat
fasteners
To order, add TZ
to stock number,
as in C44-TZ
Hot-Dip Galvanized (HDG)
HDG coating provides an after-fabrication hot-dipped
zinc coating. The coating thickness is dependent on the
connector material, but generally ranges from 1.2 to 2.3
ounces of zinc per square foot of surface area (both
sides). Hot-dip products meet requirements set forth
in ASTM A 123
Hot-dip galvanized
or Exterior Coat
fasteners
To order, add HDG
to stock number,
as in KCC44-HDG
Gold Coat (GC)
Gold Coat is a proprietary multi-layer protection
system. It is comprised of a top coat barrier layer
and a zinc layer placed over a steel substrate
Gold Coat or
Hot-dip galvanized
fasteners
To order, add GC
to stock number,
as in AC7-GC
Stainless Steel (SS)
Best option for corrosion protection. Quality
stainless steel (316SS grade steel) is used to
fabricate connectors. Although costs are higher,
some applications may need the virtual corrosion
proof quality of stainless steel
Stainless Steel
fasteners
To order, add SS
to stock number,
as in PBES44-SS
Yellow Zinc
Stock number as
listed in the chart
Hot-Dip Galvanized (HDG)
Stock number as
listed in the chart
Exterior Coat (EXT)
Stock number as
listed in the chart
Gold Coat (GC)
Stock number as
listed in the chart
Stainless Steel (SS)
Stock number as
listed in the chart
CONNECTORS
FASTENERS
HDG coating provides an after-fabrication hot-dipped zinc
coating. The coating thickness is dependent on the connector material,
but generally ranges from 1.2 to 2.3 ounces of zinc per square foot of
surface area (both sides). Hot-dip products meet requirements set forth
in ASTM A 153
Gold Coat is a proprietary multi-layer protection system. It is comprised
of a top coat barrier layer and a zinc layer placed over a steel substrate
Best option for corrosion protection
Zinc yellow chromate finish
EXT finish is a double barrier coating over zinc
Corrosion Resistant Finishes
MiTek offers several corrosion resistant nishes to cover a range of corrosion performance. For products available in corrosion resistant nishes, reference the
“Corrosion Finish” column in the charts and Corrosion Key located by the chart footnotes or pages 15-16 for a complete listing of corrosion resistant products.
Corrosion Information
EXTENDED
LIFE
GOLD COAT
EXTENDED
LIFE
GOLD COAT
EXTERIOR
USE
G185-TZ
EXTERIOR
USE
G185-TZ
EXTERIOR
USE
G185-TZ
EXTERIOR
USE
HDG
EXTERIOR
USE
G185-TZ
EXTERIOR
USE
HDG
INTERIOR
USE
G90
INTERIOR
USE
YELLOW ZINC
INTERIOR
USE
PRIMER
EXTREME
LIFE
STAINLESS
EXTREME
LIFE
STAINLESS
EXTERIOR
USE
G185-TZ
EXTERIOR
USE
EXT
DISCLAIMER – The general information and guidelines provided in this MiTek Product Catalog shall not be used as a substitute for competent professional examination and verication. It is
the responsibility of the building designer/engineer to determine the applicability and suitability of the information provided. Anyone making use of this information assumes all responsibility
and liability arising from such use.