Wood construction screw with double thread

<Level1>TX drive</Level1>
<ul><Level2>Six force application areas (line contact) for strong power transmission</Level2>
<Level2>No driving-out effect (cylindrical shape eliminates cam-out effect) for a long bit service life</Level2>
<Level2>Can be mechanically driven</Level2>
<Level2>Good torque transmission</Level2></ul>
<Level1>Countersunk head with milling ribs</Level1>
<ul><Level2>Flush-mount countersinking of the screw head creates a perfect finish</Level2>
<Level2>Less power and force required due to easy and clean countersinking of the screw head</Level2>
<Level2>Usable length corresponds to the entire screw length</Level2></ul>
<Level1>Under-head reinforcement</Level1>
<ul><Level2>Optimal tear-off resistance enhances user safety</Level2></ul>
<Level1>Double thread</Level1>
<ul><Level2>Compressive forces are not transmitted into the low-strength insulation material</Level2>
<Level2>Can be used in any insulation material</Level2>
<Level2>High extraction resistance</Level2></ul>
<Level1>End mill (friction part)</Level1>
<ul><Level2>Less friction on the screw shaft minimises tool damage</Level2>
<Level2>Less power and force required as it functions like a drill bit</Level2>
<Level2>Lower screw-in resistance</Level2>
<Level2>Easy to install long screws</Level2></ul>
<Level1>Coarse thread</Level1>
<ul><Level2>Always provides the optimum speed for each screw length</Level2>
<Level2>The thread geometry enables faster screwing in, saving time during processing</Level2></ul>
<Level1>Cutting point</Level1>
<ul><Level2>Low splitting forces due to drilling effect</Level2></ul>
<Level2>Reduced splitting tendency of the wood enables edge connection </Level2>
<Level2>Chipping of the wood fibres </Level2></ul>
<Level1>High-quality hardened steel</Level1>
<ul><Level2>High breaking torque</Level2>
<Level2>Optimal installation quality</Level2></ul>
<Level1>Anti-friction coating</Level1>
<ul><Level2>Easy to screw in with low screwing resistance, reducing the amount of energy and force required</Level2></ul>