All-in-one Grk Fasteners R4 121010 Screw, #9 Thread, 2-1/2 In L, Bugle Head, Star Drive, Self-drilling, Self-tapping Point, Steel Now 65% Cheaper [vOZnCxDk]

GRK Fasteners R4 Self-Countersinking Screw

Introducing the GRK Fasteners R4 self-countersinking screw, the ultimate solution for fastening in even the most challenging materials. This screw is designed to deliver unparalleled performance with its innovative features that make it stand out from the competition. The R4 screw boasts a patented under head with saw-blade like cutting teeth and six self-contained cutting pockets, which work together to create clean, ideal holes in brittle materials without cracking the surface treatment. This makes it an excellent choice for a wide range of applications.

• Patented design for clean, ideal holes in brittle materials
• Self-countersinking for precise, damage-free installation

Technical Specifications and Features

The GRK Fasteners R4 screw is a true testament to engineering excellence. It features a #9 thread and a length of 2-1/2 inches, providing the perfect balance of strength and versatility. The screw head is designed to close off the hole with precision, leaving no damaged fibers around the head. Additionally, screws 3-1/8 inches and longer have a four-threaded CEE thread, which enlarges the screw hole for the non-threaded portion. This design allows for easy wood settling, increases the screw's drawing strength, and reduces friction on the screw shank, lowering the driving torque.

• 2-1/2 inch length for versatile applications
• Four-threaded CEE thread for enhanced strength and reduced torque

Practical Applications and Benefits

The GRK Fasteners R4 self-countersinking screw is an indispensable tool for professionals and DIY enthusiasts alike. Whether you're working on woodworking projects, building furniture, or installing fixtures, this screw delivers exceptional results. Its ability to countersink into even the hardest woods, combined with its precision and durability, makes it the go-to choice for any project. With the R4 screw, you can expect increased efficiency and satisfaction, as it simplifies the fastening process and ensures a professional finish every time.

• Perfect for woodworking and various DIY projects
• Ensures professional results and efficiency