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GRK’s R4™ screws have some of the most advanced technology around for faster screw driving with a whole lot less effort and no pilot holes required. Pilot holes are only needed if the building-material manufacturer requires it. Always check with the manufacturer’s literature for installation recommendations.
Stated lengths are “soft conversions” from metric lengths
|Product Group||Screws & Fasteners|
|Category||Corrosion Resistant, Specialty Purpose, Wood Screws, General Purpose|
|Sub-Category||Specialty Purpose d, Wood, General Purpose|
|SIZE (#8, #10 ...)||#9|
|RECESS||Torx / Star|
|POINT TYPE||Self Drilling Wood|
|DRIVER BIT SIZE||T25|
|CASE / BINS||No|
|Unthreaded Screw Length||No|
|Threaded Screw Length||No|
|Unthreaded Shank Diameter||No|