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They have a domed head with a square section under the head that prevents the bolt from turning when tightened
It meets the specifications of ASTM A307 Grade A and is RoHS compliant
11" and is ideal for use with bolts or screws that have a diameter of 3/4"
and it can be easily installed with a wrench or socket
This hanger bolt is ideal for both indoor and outdoor use
1/4 High Alloy Regular Split Lock Washer AISI 4037 Zinc Yellow Made in USA N x LTH They have a domed headThese 1 4" High Alloy Regular Split Lock Washers are made from AISI 4037 steel and are zinc plated yellow for corrosion resistance. They are designed to be used with bolts and nuts to prevent loosening due to vibration or other factors. These lock washers are split, which allows them to conform to the shape of the bolt or nut and provide a secure hold. They are made in the USA and meet all applicable industry standards.
