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GRK FASTENERS

GRK Fasteners RSS 12221 Structural Screw, 5/16 in Thread, 3-1/8 in L, Washer Head, Star Drive, Steel, 100 PK

Category Screws
RS516318 RS516318
RS516318 RS516318
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GRK FASTENERS

GRK Fasteners RSS 12221 Structural Screw, 5/16 in Thread, 3-1/8 in L, Washer Head, Star Drive, Steel, 100 PK

Item Code: RS516318
Category Screws
Manufacturer GRK FASTENERS
  • Recessed star drive zero stripping, with six points of contact
  • CEE Thread™ enlarges hole to reduce splitting
  • Washer head for immense holding power
  • Climatek™ coating is AC257 code approved for use in treated lumber
  • Drive Size: T-30

Description

GRK's RSS screw is made of specially hardened steel to provide you with high tensile, torque and shear strength. The sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks. RSS screws that are 3-1/8 in and longer have CEE threads which enlarge the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily and increases the screw's drawing strength. The CEE thread also reduces the friction on the screw shank which can result in lowering the driving torque and the likelihood of splitting the wood. This is why the RSS screw is an efficient lag screw alternative. Our round head with built-in shield (washer type head) has no sharp edges like conventional lag screws. The added shoulder (nominal diameter) underneath the washer has the ability to center the RSS screw in pre-drilled hardware like hinges and connector plates.

Specifications

Weight

4lb

Height

5.18in

Width

6.25in

Length

5in

Brand

GRK FASTENERS

Category

Screws

Manufacturer

GRK FASTENERS

Description

GRK's RSS screw is made of specially hardened steel to provide you with high tensile, torque and shear strength. The sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks. RSS screws that are 3-1/8 in and longer have CEE threads which enlarge the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily and increases the screw's drawing strength. The CEE thread also reduces the friction on the screw shank which can result in lowering the driving torque and the likelihood of splitting the wood. This is why the RSS screw is an efficient lag screw alternative. Our round head with built-in shield (washer type head) has no sharp edges like conventional lag screws. The added shoulder (nominal diameter) underneath the washer has the ability to center the RSS screw in pre-drilled hardware like hinges and connector plates.

Specifications

Weight

4lb

Height

5.18in

Width

6.25in

Length

5in

Brand

GRK FASTENERS

Category

Screws

Manufacturer

GRK FASTENERS

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