We've been asked many times over the years what is ASSY? ASSY is an acronym representing the high tech asymmetrical thread (30°/5°)of our ASSY Log & Timber Screws. The asymmetrical thread reduces the needed torque when inserting the screw and prevents the screw from backing out. But that's not the only benefit or difference when comparing ASSY Log & Timber Screws to most other log Screws, Lag Screws, or Timber Screws.
Each screw if fitted with the patented AW-Drive that offers the most comfortable, safest, and most solid screw bit for any professional. The AW-Drive has 6 cylindrical power application points for higher power transmission and the AW-Bit and AW-Drive are both tapered for excellent contact with out tumbling, allowing for increased torque.
Lag Screws (Lag Bolts) and some Log Home Screws will need a pre-drilled hole, as not to overheat the screw during insertion, thus causing it to break. The ASSY Log & Timber Screws is a self-drilling screw, having a cylindrical shank cutter that reduces friction by 50% when inserting into the wood.
Strength and ductility are needed in a wood screw, but is not an easy task. The ASSY Log & Timber Screws go through two separate heating processes. The 1st is to case harden the screw for its tensile and shear strength. The 2nd heating is an annealing process that removes embrittlement, found in steel wire, and softens the inside to give it superior ductility.
Plastic coating, 3 head styles, and drilling nibs, are other advantages to the ASSY log & Timber Screws.
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