10 x 3-1/8 in. GRK R4 Multi-Purpose, Flat-Head, 305 SSS, Star, Nibs - Qty:210

10 x 3-1/8 in. GRK R4 Multi-Purpose, Flat-Head, 305 SSS, Star, Nibs - Qty:210

GRK R4 Stainless 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 literature for installation recommendations. /p>

FEATURES

• Patented nib design under the head acts like a saw blade with six self-contained cutting pockets enabling countersinking in even exotic hardwoods.
• Extremely aggressive threads enable screws to penetrate fibrous material like OSB.
• These Screws are 3 inch or longer, have a four-threaded portion that enlarges the hole, reducing friction and increasing the drawing strength.
• Screws can be used in all woods and plastic applications without shredding or cracking the surface.
• Screws can be used in all woods and plastic applications without shredding or cracking the surface. The 90' angle under the screw head fits perfectly into pre-countersunk holes for hardware brackets.
• Star Drive Recess

Stated lengths are soft conversions from metric lengths