Item# T26316 Model# 00177

Grizzly T26316 - R4 12 x 6-3/8" Screw, 1000 pc.

$314.94
+$0.00  Shipping
+$0.00  Oversize
MSRP: $519.95
You Save: $205.01 (39%)
GRK's R4 self-countersinking screw has a patented underhead with saw-blade like cutting teeth and six self-contained cutting pockets. Together they act similar to a circular saw-blade, transporting the drill dust away from the edge of the screw hole while cutting a perfectly clean hole into even the most brittle materials without cracking any surface treatment.
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Overview
GRK's R4 self-countersinking screw has a patented underhead with saw-blade like cutting teeth and six self-contained cutting pockets. Together they act similar to a circular saw-blade, transporting the drill dust away from the edge of the screw hole while cutting a perfectly clean hole into even the most brittle materials without cracking any surface treatment.
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