M.D. Hubbard Spring Company
M.D. Hubbard Spring Company
595 S. Lapeer Road P.O. Box 425 Oxford, MI 48371
Phone: 248-628-2528
Fax: 248-628-7734
E-Mail: info@companies.com
Website: www.hubbardspring.com
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Slotted washers are engineered to fit over bolts ranging from 3mm - 12.0mm.

  • General purpose slotted washers are used to apply flexible travel between static surfaces or soft, uniform friction between two rotating surfaces.

 

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Unit of Measure
1 

Part Number

Fits Over

Outside Diameter

Inside Diameter

Free Height

Material Thickness

Material Type

Finish

EW-130-S-20 N/A 0.125 in3.0 mm N/A 0.469 in11.9 mm N/A 0.130 in3.3 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Light Oil
EW-130-S-20-MZ N/A 0.125 in3.0 mm N/A 0.469 in11.9 mm N/A 0.130 in3.3 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-130-S-20-EZ N/A 0.125 in3.0 mm N/A 0.469 in11.9 mm N/A 0.130 in3.3 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-156-S-20 N/A 0.141 in3.0 mm N/A 0.469 in11.9 mm N/A 0.156 in4.0 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Light Oil
EW-156-S-20-MZ N/A 0.141 in3.0 mm N/A 0.469 in11.9 mm N/A 0.156 in4.0 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-156-S-20-EZ N/A 0.141 in3.0 mm N/A 0.469 in11.9 mm N/A 0.156 in4.0 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-168-S-32 N/A 0.156 in4.0 mm N/A 0.469 in11.9 mm N/A 0.168 in4.3 mm N/A 0.075 in1.9 mm N/A 0.032 in0.8 mm N/A High Carbon Steel N/A Light Oil
EW-168-S-32-MZ N/A 0.156 in4.0 mm N/A 0.469 in11.9 mm N/A 0.168 in4.3 mm N/A 0.075 in1.9 mm N/A 0.032 in0.8 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-168-S-32-EZ N/A 0.156 in4.0 mm N/A 0.469 in11.9 mm N/A 0.168 in4.3 mm N/A 0.075 in1.9 mm N/A 0.032 in0.8 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-172-S-20 N/A 0.156 in4.0 mm N/A 0.469 in11.9 mm N/A 0.172 in4.4 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Light Oil
EW-172-S-20-MZ N/A 0.156 in4.0 mm N/A 0.469 in11.9 mm N/A 0.172 in4.4 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-172-S-20-EZ N/A 0.156 in4.0 mm N/A 0.469 in11.9 mm N/A 0.172 in4.4 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-191-S-16 N/A 0.188 in4.5 mm N/A 0.495 in12.6 mm N/A 0.191 in4.9 mm N/A 0.078 in2.0 mm N/A 0.016 in0.4 mm N/A High Carbon Steel N/A Light Oil
EW-191-S-16-MZ N/A 0.188 in4.5 mm N/A 0.495 in12.6 mm N/A 0.191 in4.9 mm N/A 0.078 in2.0 mm N/A 0.016 in0.4 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-191-S-16-EZ N/A 0.188 in4.5 mm N/A 0.495 in12.6 mm N/A 0.191 in4.9 mm N/A 0.078 in2.0 mm N/A 0.016 in0.4 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-191-S-20 N/A 0.188 in4.5 mm N/A 0.495 in12.6 mm N/A 0.191 in4.9 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Light Oil
EW-191-S-20-MZ N/A 0.188 in4.5 mm N/A 0.495 in12.6 mm N/A 0.191 in4.9 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-191-S-20-EZ N/A 0.188 in4.5 mm N/A 0.495 in12.6 mm N/A 0.191 in4.9 mm N/A 0.078 in2.0 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-203-S-25 N/A 0.188 in5.0 mm N/A 0.562 in14.3 mm N/A 0.203 in5.2 mm N/A 0.062 in1.6 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Light Oil
EW-203-S-25-MZ N/A 0.188 in5.0 mm N/A 0.562 in14.3 mm N/A 0.203 in5.2 mm N/A 0.062 in1.6 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-203-S-25-EZ N/A 0.188 in5.0 mm N/A 0.562 in14.3 mm N/A 0.203 in5.2 mm N/A 0.062 in1.6 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-219-S-20 N/A 0.203 in5.0 mm N/A 0.562 in14.3 mm N/A 0.219 in5.6 mm N/A 0.094 in2.4 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Light Oil
EW-219-S-20-MZ N/A 0.203 in5.0 mm N/A 0.562 in14.3 mm N/A 0.219 in5.6 mm N/A 0.094 in2.4 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-219-S-20-EZ N/A 0.203 in5.0 mm N/A 0.562 in14.3 mm N/A 0.219 in5.6 mm N/A 0.094 in2.4 mm N/A 0.020 in0.5 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-257-S-25 N/A 0.250 in6.0 mm N/A 0.750 in19.1 mm N/A 0.257 in6.5 mm N/A 0.125 in3.2 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Light Oil
EW-257-S-25-MZ N/A 0.250 in6.0 mm N/A 0.750 in19.1 mm N/A 0.257 in6.5 mm N/A 0.125 in3.2 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-257-S-25-EZ N/A 0.250 in6.0 mm N/A 0.750 in19.1 mm N/A 0.257 in6.5 mm N/A 0.125 in3.2 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-265-S-32 N/A 0.250 in6.0 mm N/A 1.250 in31.8 mm N/A 0.265 in6.7 mm N/A 0.125 in3.2 mm N/A 0.032 in0.8 mm N/A High Carbon Steel N/A Light Oil
EW-265-S-32-MZ N/A 0.250 in6.0 mm N/A 1.250 in31.8 mm N/A 0.265 in6.7 mm N/A 0.125 in3.2 mm N/A 0.032 in0.8 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-265-S-32-EZ N/A 0.250 in6.0 mm N/A 1.250 in31.8 mm N/A 0.265 in6.7 mm N/A 0.125 in3.2 mm N/A 0.032 in0.8 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-320-S-25 N/A 0.312 in8.0 mm N/A 1.000 in25.4 mm N/A 0.320 in8.1 mm N/A 0.156 in4.0 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Light Oil
EW-320-S-25-MZ N/A 0.312 in8.0 mm N/A 1.000 in25.4 mm N/A 0.320 in8.1 mm N/A 0.156 in4.0 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-320-S-25-EZ N/A 0.312 in8.0 mm N/A 1.000 in25.4 mm N/A 0.320 in8.1 mm N/A 0.156 in4.0 mm N/A 0.025 in0.6 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-322-S-62 N/A 0.312 in8.0 mm N/A 1.500 in38.1 mm N/A 0.322 in8.2 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Light Oil
EW-322-S-62-MZ N/A 0.312 in8.0 mm N/A 1.500 in38.1 mm N/A 0.322 in8.2 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-322-S-62-EZ N/A 0.312 in8.0 mm N/A 1.500 in38.1 mm N/A 0.322 in8.2 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-375-S-62 N/A 0.359 in9.0 mm N/A 1.750 in44.5 mm N/A 0.375 in9.5 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Light Oil
EW-375-S-62-MZ N/A 0.359 in9.0 mm N/A 1.750 in44.5 mm N/A 0.375 in9.5 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-375-S-62-EZ N/A 0.359 in9.0 mm N/A 1.750 in44.5 mm N/A 0.375 in9.5 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-390-S-62 N/A 0.375 in9.0 mm N/A 1.500 in38.1 mm N/A 0.390 in9.9 mm N/A 0.203 in5.2 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Light Oil
EW-390-S-62-MZ N/A 0.375 in9.0 mm N/A 1.500 in38.1 mm N/A 0.390 in9.9 mm N/A 0.203 in5.2 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-390-S-62-EZ N/A 0.375 in9.0 mm N/A 1.500 in38.1 mm N/A 0.390 in9.9 mm N/A 0.203 in5.2 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-453-S-62 N/A 0.438 in11.0 mm N/A 1.750 in44.5 mm N/A 0.453 in11.5 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Light Oil
EW-453-S-62-MZ N/A 0.438 in11.0 mm N/A 1.750 in44.5 mm N/A 0.453 in11.5 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-453-S-62-EZ N/A 0.438 in11.0 mm N/A 1.750 in44.5 mm N/A 0.453 in11.5 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Electro Plated Zinc
EW-500-S-62 N/A 0.484 in12.0 mm N/A 1.750 in44.5 mm N/A 0.500 in12.7 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Light Oil
EW-500-S-62-MZ N/A 0.484 in12.0 mm N/A 1.750 in44.5 mm N/A 0.500 in12.7 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Mechanical Plated Zinc
EW-500-S-62-EZ N/A 0.484 in12.0 mm N/A 1.750 in44.5 mm N/A 0.500 in12.7 mm N/A 0.156 in4.0 mm N/A 0.062 in1.6 mm N/A High Carbon Steel N/A Electro Plated Zinc
Unit of Measure
1