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Tension-Indicating Washers for Structural Applications
![](/prerenderstable/mvPRE/contents/gfx/imagecache/913/91358a020p1-b01-digitall@halfx_636879801365956363.png?ver=imagenotfound)
When you’ve applied the correct tension, these washers release an orange dye as a visual indicator.
Class 8.8 washers are designed to support structural screws, studs, and nuts. Use them with DIN 6914 structural hex head bolts and DIN 6915 structural hex nuts. They have a galvanized finish, so they are ten times as corrosion resistant as zinc-plated steel washers. Since they are strong and rust resistant, these washers are often used for construction and on building exteriors.
Class 10.9 washers are stronger than Class 8.8 washers. They have a zinc-plated finish, so they won’t rust in wet environments.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Galvanized Class 8.8 Steel | ||||||||
---|---|---|---|---|---|---|---|---|
ASME B18.2.6M/ASTM F959 | ||||||||
M12 | 12.550mm | 27.250mm | 2.600mm-4.600mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 10 | 000000000 | 000000 |
M16 | 16.700mm | 33.600mm | 3.200mm-5.500mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 5 | 000000000 | 0000 |
M20 | 20.950mm | 40.640mm | 3.600mm-6.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 5 | 000000000 | 00000 |
M22 | 23.000mm | 42.900mm | 3.600mm-6.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 5 | 000000000 | 00000 |
M24 | 25.100mm | 48.670mm | 4.000mm-7.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |
M27 | 28.350mm | 54.360mm | 4.000mm-7.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |
M30 | 31.400mm | 58.420mm | 4.000mm-7.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |
M36 | 37.700mm | 70.360mm | 4.800mm-7.500mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |
Zinc-Plated Class 10.9 Steel | ||||||||
ASME B18.2.6M/ASTM F959 | ||||||||
M16 | 16.700mm | 33.600mm | 3.200mm-5.500mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 5 | 000000000 | 00000 |
M20 | 20.950mm | 40.640mm | 3.600mm-6.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 5 | 000000000 | 00000 |
M22 | 23.000mm | 42.900mm | 3.600mm-6.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |
M24 | 25.100mm | 48.670mm | 4.000mm-7.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |
M27 | 28.350mm | 54.360mm | 4.000mm-7.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |
M30 | 31.400mm | 58.420mm | 4.000mm-7.000mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |
M36 | 37.700mm | 70.360mm | 4.800mm-7.500mm | Rockwell C37 | ASME B18.2.6M; ASTM F959 | 1 | 000000000 | 0000 |