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Tornado Ribs:
*Keep the object surface free of tailings around the edges of the screw head
*No splits on the surface close to the edge of object
*Keep the object surface flat and smooth
*Worldwide patents protection
Torpedo Pre-milling Thread:
*Fast grip onto soft/hard wood
*No splits even close to the edge of soft/hard wood
*Low driving torque for fast driving on soft/hard wood
*High ductility (Bending angle >30°) by special quenching and tempering
*High and safe pull-out value for security purpose
*Worldwide patents protection
If you have any demand, welcome to send an inquiry to us.
Torpedo Screw (Deck)
