Product Overview
GRKs R4selfcountersinking screw has a patented underhead with sawblade like cutting teeth and six selfcontained cutting pockets. Together they act similar to a circular sawblade 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.
Brand : GRK Fasteners
Application : MultiPurpose
Carton Quantity : 270 EA/CTN
Length : 4″
Product Type : Fastener
Size : #10
Style : Screw
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