Wood construction screw Bullet S, countersunk head, shaft, TX 40, 8 x 400, blue, 50 pieces

Main features short:
BULLET-S head with reinforced lower head
Safety: European Technical Approval ETA-12/0521
Avoiding cracks in the wood: End mill expands the screw channel and reduces the torque

Hints:
Further information and www.bti.de/bullet

Characteristics:
BULLET-S head. Step-shaped underside of the head, which minimizes the impact impulse when the head hits the surface. Angled screw connections can be completely recessed. Perfect surface finish. Head diameter 15 mm, thanks to stepwise optimization the head pull-through parameters are up to 30% higher compared to conventional screws and can absorb even more force. Graduated countersunk head suitable for rosettes - head pulling values can be increased additionally. Upgrading visible screw connections
Torx screw drive. Specially coordinated manufacturing tolerances. Optimal power transmission of the BULLET screws in conjunction with BTI bit. Precise fit of the bit. Reduced tumbling behavior. Minimal wear. One drive – TX 40
Counter-rotating end mill at the thread outlet. Expands the screw channel for the shaft. The counter-rotating geometry of the end mill clears the screw channel even better and drastically reduces the screw-in torque. Friction of the shaft in the screw channel is reduced. Tools are protected. Cracks in wood and wood-based materials are avoided. Reduction of torque
High-quality anti-friction coating. Reduces friction. Reduces the insertion torque
Optimized coarse thread. Thread with steep thread flanks. Increased extraction values thanks to deep threads. Lower screwing forces/torque, which prevents screw breakages and protects tools. Reduced screw-in time thanks to steep thread flanks. 10 cm thread length from length 220 mm
Special tip geometry. BULLET tip with steep lead angle and thread running to the end. Very quick, precise attachment of the screws. Little effort required. No surface damage caused by tumbling and grinding movements
Counter-rotating chip breaker. Reduces the splitting effect of the wood. Allows small edge and center distances
Security. European Technical Approval ETA-12/0521
Service. Calculation aid for over-rafter insulation, curtain facades, shear and axial connections. Static value tables
Made in Germany

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Wood construction screw Bullet S, countersunk head, shaft, TX 40, 8 x 400, blue

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