The unthreaded shank below the hex head adds overall strength making the hex bolt more resistant to vibration and shear forces
The 25 x 50mm Unibor mag drill cutter offers reliability and high performance
Take a look at the full range of threaded bar from Fusion Fixings
they are manufactured with a Phillips recess for installation with a range of standard tools which sees them widely used
5 x 100mm ForgeFast Decking Screw, Torx, Countersunk, Green, Tub of 300 (FFDS5100GT) D-35592 The unthreaded shank below theCorrosion Resistant Decking Screw Decking screws in tubs of 300, designed for speed, performance, and durability. A premium decking screw with a patented self drilling thread which means faster installation with less effort and a reduced risk of splitting the wood. A Torx countersunk screw with a sharp point for fast insertion, great hold, excellent pull out resistance, and flexes to 35 degrees reducing the likelihood of screws shearing. A great