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GRK's R4™ multi-purpose screw is a versatile, code approved fastener for hundreds of applications. Its feature-rich design provides a fast and reliable connection every time.

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. This design enhances the R4s versatility by allowing the fastener to countersink into even the hardest woods. The head of the screw closes the hole off with precision, leaving no damaged fibers around the head. R4 screws 3-1/8 and longer have a four threaded CEE thread. This enlarges the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily. It increases the screw's drawing strength and reduces the friction on the screw shank that lowers the driving torque.

XL Pocket-Hole Screw are optimized for use with the Kreg Pocket-Hole Jig® XL, the Kreg Jig HD and 1 1/2 ft and larger stock. These large 2 1/2 ft - long #14 hardened-steel screws provide incredible shear resistance, and have a Protec-Kote™ finish with three anti corrosion layers for long term moisture resistance. #3 square driver.

XL pocket-hole screws are optimized for use with the Kreg pocket-hole Jig® XL, the Kreg jig HD and 1-1/2 in and larger stock. These large 4 in L #14 hardened steel screws provide incredible shear resistance and have a Protec-Kote™ finish with three anti-corrosion layers for long-term moisture resistance.

Midwest Fastener Masonry Screw, 1/4 in Dia, 3-1/4 in L, Drill Size: 3/16 in, Head Type: Flat, Steel, Blue Ruspert

Midwest Fastener Masonry Screw, 1/4 in Dia, 1-3/4 in L, Drill Size: 3/16 in, Head Type: Flat, Phillips, Steel, Blue Ruspert

Kreg® zinc screws are a good choice for a wide variety of indoor projects with limited exposure to the elements. Zinc screws provide adequate rust protection and serve as an affordable alternative to our more protective Blue-Kote™ and stainless screw varieties.

Kreg® zinc screws are a good choice for a wide variety of indoor projects with limited exposure to the elements. Zinc screws provide adequate rust protection and serve as an affordable alternative to our more protective Blue-Kote™ and stainless screw varieties.

Kreg® zinc screws are a good choice for a wide variety of indoor projects with limited exposure to the elements. Zinc screws provide adequate rust protection and serve as an affordable alternative to our more protective Blue-Kote™ and stainless screw varieties.

Kreg® zinc screws are a good choice for a wide variety of indoor projects with limited exposure to the elements. Zinc screws provide adequate rust protection and serve as an affordable alternative to our more protective Blue-Kote™ and stainless screw varieties.

Carpet screw nails for use with M-D floor trims. Hammer screw nails into wood or concrete floors. Wooden pegs needed for concrete subfloors.

Carpet screw nails for use with M-D floor trims. Hammer screw nails into wood or concrete floors. Wooden pegs needed for concrete subfloors.

GRK Fasteners R4 Framing and Decking Screw, Thread Size: #8, 2 in L, Drive Type: Star, Steel, Package Quantity: 100 PK, Multi-Purpose, Thread Length: 1.29 in, Drive Size: T15, Applicable Materials: Cement Fiber Board, Melamine, Particle Board, Plastic, Sheet Metal, Wood

GRK Fasteners R4 Framing and Decking Screw, Thread Size: #8, 2 in L, Drive Type: Star, Steel, Package Quantity: 850 PAIL, Multi-Purpose, Thread Length: 1.29 in, Drive Size: T15, Applicable Materials: Cement Fiber Board, Melamine, Particle Board, Plastic, Sheet Metal, Wood

GRK Fasteners R4 Framing and Decking Screw, Thread Size: #9, 1-1/2 in L, Drive Type: Star, Steel, Package Quantity: 5200 BX, Multi-Purpose, Thread Length: 1 in, Drive Size: T25, Applicable Materials: Cement Fiber Board, Melamine, Particle Board, Plastic, Sheet Metal, Wood

Allows installation of 2 shelf and rod brackets to the wall and 1 shelf to the brackets. Four 1-1/2 in pan head screws for mounting brackets to the wall. Four 3/4 in pan head screws for mounting shelf to the brackets. For best use install in wall studs. For use with 108 shelf and rod bracket.

Self-tapping type 17 point with high-low threads, 5/16 in zinc alloy head, 1000 hrs salt spray coating, integrated rubber washer.

The next generation of Tapcon anchors are engineered to be installed fast and trusted for a lifetime. They're the original and still the finest when it comes to concrete anchoring.

The next generation of Tapcon anchors are engineered to be installed fast and trusted for a lifetime. They're the original and still the finest when it comes to concrete anchoring.

The next generation of Tapcon anchors are engineered to be installed fast and trusted for a lifetime. They're the original and still the finest when it comes to concrete anchoring.

The next generation of Tapcon anchors are engineered to be installed fast and trusted for a lifetime. They're the original and still the best when it comes to concrete anchoring.