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GRK FASTENERS

GRK Fasteners R4 103133 Screw, #10 Thread, 2-1/2 in L, W-Cut Thread, Bugle Head, Star Drive, Steel, 80 PK

Category Screws
R410250H
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GRK FASTENERS

GRK Fasteners R4 103133 Screw, #10 Thread, 2-1/2 in L, W-Cut Thread, Bugle Head, Star Drive, Steel, 80 PK

Item Code: R410250H
Category Screws
Manufacturer GRK FASTENERS
  • Eliminates pre-drilling and provides a fast start for one-step installation
  • Reduces wobble between R4 screws and GRK bits for improved productivity
  • Zero stripping, with 6 points of contact
  • Improves clamping force for increased drawing power
  • Enlarges hole to reduce splitting

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 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.

Specifications

Weight

0.99lb

Height

6in

Width

10.25in

Length

4in

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 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.

Specifications

Weight

0.99lb

Height

6in

Width

10.25in

Length

4in

Brand

GRK FASTENERS

Category

Screws

Manufacturer

GRK FASTENERS

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