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GRK FASTENERS

GRK Fasteners R4 01105 Framing Screw, #9 Thread, 3-1/8 in L, Star Drive, Steel, Climatek, 425 PK

Category Screws
R49318PP R49318PP
R49318PP R49318PP
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GRK FASTENERS

GRK Fasteners R4 01105 Framing Screw, #9 Thread, 3-1/8 in L, Star Drive, Steel, Climatek, 425 PK

Item Code: R49318PP
Category Screws
Manufacturer GRK FASTENERS
  • Recessed star drive for zero stripping, with six points of contact
  • CEE thread enlarges hole to reduce splitting
  • Cutting pockets provide a clean hole, reduces splitting and bore with precision
  • Frame with ease and confidence
  • Drive Size: T25

Description

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 R4's 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 2 in 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.

Specifications

Weight

5.3lb

Height

5.18in

Width

6.25in

Length

5in

Brand

GRK FASTENERS

Category

Screws

Manufacturer

GRK FASTENERS

Description

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 R4's 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 2 in 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.

Specifications

Weight

5.3lb

Height

5.18in

Width

6.25in

Length

5in

Brand

GRK FASTENERS

Category

Screws

Manufacturer

GRK FASTENERS

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