The kit packaging is reclosable and has compartments separating each product. An assortment kit is a combination of fasteners that share a common purpose.
The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened. A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head..
The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened. A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head..