Cup Square Hex Coach Bolts BZP M6 20mm 10PK
Cup square hex bolts & nuts also known as coach bolts or carriage bolts, come with nuts. A bolt mostly used in wood with a domed top and a square under the head. The square section grips into the part being fixed, preventing the bolt from t
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Cup square hex bolts & nuts also known as coach bolts or carriage bolts, come with nuts. A bolt mostly used in wood with a domed top and a square under the head. The square section grips into the part being fixed, preventing the bolt from turning when the nut is tightened.