Black Flat Ring (USS) - Rustproof Finish

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These flat washers are made from sturdy steel with a black rustproof finish. They provide a greater bearing surface under the fastener, which prevents the screw, bolt, or nut from pulling through the material.
Bolt Diameter/Size: 1/2 in 1/4 in 1 1/2 in 3/8 in 5/16 in Outside Diameter: 19.1 mm* 22.2 mm* 25.4 mm* 34.9 mm* Inside Diameter: 7.94 mm* 9.53 mm* 11.1 mm* 14.3 mm* Thickness: 1.19 to 1.98 mm* 1.59 to 2.78 mm* 2.38 to 3.18 mm* Packaging format: Blister of 4 units Blister of 8 units Blister of 10 units Blister of 16 units Box of 75 Box of 100 Box of 1096 Box of 2400 Box of 3840 Box of 6480 Select Options
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Product # Bolt Diameter/Size Outside Diameter Inside Diameter Thickness Packaging format
PWBLK12MR 1/2 in 34.9 mm* 14.3 mm* 2.38 to 3.18 mm* Blister of 4 units
PWBLK12VP 1/2 in 34.9 mm* 14.3 mm* 2.38 to 3.18 mm* Box of 75
PWBLK14MR 1/4 in 19.1 mm* 7.94 mm* 1.19 to 1.98 mm* Blister of 16 units
PWBLK14VP 1/4 in 19.1 mm* 7.94 mm* 1.19 to 1.98 mm* Box of 100
PWBLK14 1/4 in 19.1 mm* 7.94 mm* 1.19 to 1.98 mm* Box of 6480
PWBLK12 1 1/2 in 34.9 mm* 14.3 mm* 2.38 to 3.18 mm* Box of 1096
PWBLK38MR 3/8 in 25.4 mm* 11.1 mm* 1.59 to 2.78 mm* Blister of 8 units
PWBLK38VP 3/8 in 25.4 mm* 11.1 mm* 1.59 to 2.78 mm* Box of 75
PWBLK38 3/8 in 25.4 mm* 11.1 mm* 1.59 to 2.78 mm* Box of 2400
PWBLK516MR 5/16 in 22.2 mm* 9.53 mm* 1.59 to 2.78 mm* Blister of 10 units
PWBLK516VP 5/16 in 22.2 mm* 9.53 mm* 1.59 to 2.78 mm* Box of 100
PWBLK516 5/16 in 22.2 mm* 9.53 mm* 1.59 to 2.78 mm* Box of 3840

TECHNICAL SPECIFICATIONS

Finish
Rustproof Black
Disclaimer

Measures shown with an asterisk (*) have been converted as per your preference. These are not the official measures. To view the measures specified by the manufacturer, click here.

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