The MTC Pre-Drilling Jig is a multi-purpose installation accessory designed to support more consistent and precise fastener installation with less effort and in less time than conventional pre-drilling processes.
Available in three different sizes to accommodate 5/16” [8 mm], 3/8” [10 mm], and 1/2″ [12 mm] countersunk-headed ASSY VG CSK fasteners, it is compatible with the MEGANT and RICON XL’s inclined fasteners as well as custom steel-to-wood connections (with 45° Wedge Washers, 90° Cup Washers, or appropriately machined holes in steel plates of various thicknesses). The inner diameters [ d ] accommodate standard imperial and metric drill bit diameters recommended for pre-drilling; respectively 3/16” [5 mm], 1/4” [6 mm], and 9/32″ [7 mm]. The outer diameters [ D ] and shoulder geometries mirror the head of the fastener for rapid positioning and alignment, while a tight tolerance at the tip ensures a snug fit with minimal play in the receiving hole.
Pre-drilling offers several benefits, including a faster wood bite and installation, reduction in installation torque and screw breakage hazards, and decrease in screw wandering and deviation, ensuring proper seating of fastener heads in receiving holes and minimizing the potential for screw collisions. Its beveled edges and clearance fit support fast and guided pre-drilling at predefined angles, resulting in a consistent, cost-efficient, and precise fastener installation.
Warning: After pre-drilling, it is important to clear any sawdust or drill shavings created. Sawdust may retain humidity, which has the potential to damage steel connections over time.
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