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Labor Day Holiday Hours
We will be closing at 2:00 PM EST on September 4th, and will remain closed through Monday, September 7th in observance of Labor Day, reopening on Tuesday, September 8th. For same-day express shipping, please order by 11:00 AM EST today.
All orders, including express orders, may experience slight delays.
AlbanyCountyFasteners.com wishes our Fastener Family a safe and happy Labor Day!
External Tooth Lock Washers, also known as Star Lock Washers, are serrated washers that create tension between the washer's teeth and the installation surface.
Extra tension makes the fastener assembly resistant to rotation
Lock assemblies underneath the head of the fastener or a nut
Fastener industry standard A2 Stainless steel
Corrosion resistant properties
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Washer Sizes
Inner Diameter (ID)
Outer Diameter (OD)
Thickness
M4
4.3
8.0
0.5
M5
5.3
10.0
0.6
M6
6.4
11.0
0.7
M8
8.4
15.0
0.8
M10
10.5
18.0
0.9
M12
13.0
20.5
1.0
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Split Ring Lock Washers - Spring Locking ActionCommon Types of Lock Washers
