Used to connect a timber member into the web of a structural steel member. Joyner Bolts are unique because they immediately grip and hold the timber and can be fixed single handedly, even in the most difficult of spaces. Also unlike any other fixings, they can be used to compensate for an over drilled hole - especially useful when joining several different timbers. To provide optimum torque level because they will not turn within the timber. Regardless of size they cannot be pulled through the timber even up to 32mm drilled hole. Joyner Bolt can also be tightened with an impact driver making it up to 20 x faster to fit than a coach bolt, and is 3 x stronger saving you time and money on site. They provide a unique combination of quality and decorative finish that meets building regulation requirements. Joyner Bolt M12 x 125mm (10 Pack) in Zinc Steel. Spiked timber fixing for connecting timber to timber or metal. Spiked head grips timber, stops turning or pulling through and allows single-handed tightening. Large square head gives maximum torque and a quality joint every time. No additional countersinking required if overboarding. Ideal for cladding, joists, lintels, rafters and stud walls. The spiked head quickly grips the wood even in tight spaces and at difficult angles then allows the user to quickly make the connection. Unlike a coach bolt, the Joyner Bolt will not fall out of an overdrilled hole meaning that no time or cost is lost in replacing the fixing. The Joyner Bolt provides a strong joint even with an overlarge hole guaranteeing an optimum and long lasting torque level. The Joyner Bolt cannot be pulled through the wood as the joint is tightened which makes it the ideal product for an externally visible or decorative joint.