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Specifically sized to pass completely through double-thickness 75mm joists or posts, leaving the perfect amount of thread exposed for a secure washer and nut assembly.
Supplied in a pack of 20 complete bolt and nut sets, making it a highly cost effective choice for larger decking projects, pergola builds, or extensive roof framing.
The robust six-sided head is engineered to withstand extreme tightening torque from ratchets and impact drivers without slipping, rounding off, or camming out.
Coated with a durable BZP finish that protects the steel from rust and oxidation, ensuring long-lasting integrity in dry interior work or sheltered exterior environments.
This bolt has a square shoulder under a rounded head (Mushroom Head) which resists turning when the nut is tightened or removed. The bolt is driven into a hole the same size as the shank and then hammered the rest of the way, where the square shoulder locks firmly into place.
This bolt has a square shoulder under a rounded head (Mushroom Head) which resists turning when the nut is tightened or removed. The bolt is driven into a hole the same size as the shank and then hammered the rest of the way, where the square shoulder locks firmly into place.