Monday, March 22, 2010

What are ASSY Log & Timber Screws

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.

Thursday, March 4, 2010

ASSY VG Fully Threaded Wood Screws

In May 2007 the Vancouver City Council approved major structural upgrades to the building located at 1122 SW Marine Drive and approved the appointment of Read Jones Christoffersen, (Vancouver, BC), as Consultant to prepare tender documents and provide project management support to remediate the structural deficiencies of the existing columns and beams. With technical support from UBC Wood Science, the structural engineers proposed that the project repairs would use the technology of ASSY VG Fully Threaded Screws to reinforce severely cracked beams to return the beams back to its structural integrity.

PAX Construction,(Burnaby, B.C.), was chosen to install ASSY VG Fully Threaded Screws 5/16 x 23” at predesignated locations along the beams at a 45 degree angles. PAX Construction installed over 7000 ASSY VG Fully Thread Screws supplied by Log & Timber Connections.


Log & Timber Connections had the great opportunity to provide Mark Zaturecky of Canadian Sustainable Timber Innovations samples of our ASSY Ecofast Wood Screws to help complete a demo of iHouse Project built from CLT (Cross Laminated Timber). The iHouse Project was designed by Michael Katz MAIBC to be a product with great potential that would be an ultra-compact, mass-produced house, built out of wood and selling for a fraction of the cost of present-day housing.