Square, Steel

MPS Square Washers (flat and curved) are made from steel and hot dipped galvanized. Thermal diffusion galvanized options are available for premium corrosion protection; contact MPS for more information.

Improved corrosion resistant options are available!

Better: TDG coated items
Best: TransArmour coated items

Description

J1076, J1079, J1080 and J6829 are RUS approved.

SQUARE FLAT WASHERS

Catalog Number Size (Inches) Hole Dia. Bolt Diameter (Inches) Weight/100 (lbs)
J1082 4 x 4 x 1/4 15/16 3/4 & 7/8 114.0
J1080 4 x 4 x 3/16 13/16 3/4 87.0
J1081 4 x 4 x 1/2 1-1/8 1 216.0
J1078 3 x 3 x 3/16 13/16 3/4 48.0
J1079 3 x 3 x 1/4 13/16 3/4 64.0
J1075 2-1/4 x 2-1/4 x 3/16 11/16 5/8 22.0
J1076 2-1/4 x 2-1/4 x 3/16 13/16 3/4 21.0
J1073 2 x 2 x 1/8 9/16 1/2 13.0
J1074 2 x 2 x 1/8 11/16 5/8 13.8

SQUARE CURVED WASHERS

Catalog Number Size (Inches) Hole Dia. Bolt Diameter (Inches) Weight/100 (lbs)
J6836 4 x 4 x 1/4 13/16 3/4 117.0
J6838 4 x 4 x 3/8 13/16 3/4 168.0
J6828 3-1/2 x 3-1/2 x 3/8 15/16 7/8 130.0
J6829 4 x 4 x 1/4 15/16 7/8 117.0
J6822 2-1/2 x 2-1/2 x 3/16 11/16 5/8 33.0
J6823 3 x 3 x 1/4 13/16 3/4 56.5
J6821 2-1/4 x 2-1/4 x 3/16 11/16 5/8 26.0
J113 3 x 3 x 1/4 11/16 5/8 65.0
J133 3-1/4 x 3-1/4 x 1/4 13/16 3/4 76.0

Table below are items protected with zinc applied by the Thermal Diffusion Galvanizing (TDG) process (reference ASTM A 1059). Corrosion protection and service life for TDG items is greater than that provided by standard hot dip galvanizing.

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TDG Square Flat Washers

Catalog Number Size (Inches) Hole Dia. Bolt Diameter (Inches) Weight/100 (lbs)
J1080T 4 x 4 x 3/16 13/16 3/4 87
J1076T 2-1/4 x 2-1/4 x 3/16 13/16 3/4 21
J1075T 2-1/4 x 2-1/4 x 3/16 11/16 5/8 22
J1074T 2 x 2 x 1/8 11/16 5/8 13.8
J1073T 2 x 2 x1/8 9/16 1/2 13

Table below are items protected with zinc applied by the Thermal Diffusion Galvanizing (TDG) process (reference ASTM A 1059). Corrosion protection and service life for TDG items is greater than that provided by standard hot dip galvanizing.

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TDG Square Curved Washers

Catalog Number Size (Inches) Hole Dia. Bolt Diameter (Inches) Weight/100 (lbs)
J6822T 2-1/2 x 2-1/2 x 3/16 11/16 5/8 33
J6823T 3 x 3 x 1/4 13/16 3/4 56.5
J6829T 4 x 4 x 1/4 15/16 7/8 117

Table below are items protected using TransArmour polymer coating over the standard hot dip galvanized zinc. Corrosion protection and service life for TA items exceeds both TDG and standard hot dip galvanizing.

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TA Square Flat Washers

Catalog Number Size (Inches) Hole Dia. Bolt Diameter (Inches) Weight/100 (lbs)
J1082TA 4 x 4 x 1/4 15/16 3/4 & 5/8 114
J1074TA 2 x 2 x 1/8 11/16 5/8 13.8
J1075TA 2-1/4 x 2-1/4 x 3/16 11/16 5/8 22
J1076TA 2-1/4 x 2-1/4 x 3/16 13/16 3/4 21

Table below are items protected using TransArmour polymer coating over the standard hot dip galvanized zinc. Corrosion protection and service life for TA items exceeds both TDG and standard hot dip galvanizing.

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TA Square Curved Washers

Catalog Number Size (Inches) Hole Dia. Bolt Diameter (Inches) Weight/100 (lbs)
J6822TA 2-1/2 x 2-1/2 x 3/16 11/16 5/8 33
J6823TA 3 x 3 x 1/4 13/16 3/4 56.5

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