Nuts are to help, keep the bolts tight. Pole Line bolts have different types of hardware which are used to fasten them in whatever connection they are used in. Every bolt requires either a hex or square nut depending on the configuration of the fastener. The nuts used are typically certified to the same standard, except for the heavy hex used with structural bolts, which are certified to other standards. Standard hex are provided with hex head machine bolts and carriage bolts. On occasion they are provided with washer head bolts, but not typically. Square nuts are used with square head machine bolts, washer head bolts, double arming bolts, double end bolts and clamp rods. Call us at Northern Power with whatever needs you have.
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