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GRK Fasteners


Our Expert Treehouse Builders highly recommend GRK Fasteners for all of your treehouse building needs. We have sold thousands of these awesome fasteners to both DIYers and Professionals alike. TreehouseSupplies.com stocks a wide selection of GRK Fasteners that includes multi-purpose, structural, trim, cabinet, composite and stainless screws. GRK Fasteners are designed for ease of use and faster drive times, speeding up your productivity. GRK products are Climatek™ coated, approved for use in treated lumber, and designed for both interior and exterior use.

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3/8" x 10" RSS screws by GRK Fasteners 3/8" x 10" RSS screws by GRK Fasteners - Bulk 300

3/8" x 10" RSS screws

Our Price $771.76
3/8" X 6" RSS screws by GRK Fasteners 3/8" X 6" RSS screws by GRK Fasteners - Bulk 300 Count.

3/8" X 6" RSS screws by GRK Fasteners

Our Price $370.79
10 x 2" R4 screws by GRK Fasteners Bulk 3200 10 x 2" R4 screws by GRK Fasteners Bulk 3200

10 x 2" R4 screws by GRK Fasteners Bulk 3200

Our Price $249.99
10 x 2-1/2" R4 screws by GRK Fasteners Bulk 2500 10 x 2-1/2" R4 screws by GRK Fasteners Bulk 2500

10 x 2-1/2" R4 screws by GRK Fasteners Bulk 2500

Our Price $259.27
5/16" x 3-1/8" RSS screws by GRK Fasteners Bulk 500 5/16" x 3-1/8" RSS screws by GRK Fasteners Bulk 500

5/16" x 3-1/8" RSS screws by GRK Fasteners Bulk 500

Our Price $205.80
10 x 3-1/8" R4 screws by GRK Fasteners 10 x 3-1/8" R4 screws by GRK Fasteners - Bulk 1500 Count.

10 x 3-1/8" R4 screws by GRK Fasteners

Our Price $209.28
5/16" x 4" RSS screws by GRK Fasteners Bulk 400 5/16" x 4" RSS screws by GRK Fasteners Bulk 400

5/16" x 4" RSS screws by GRK Fasteners Bulk 400

Our Price $175.50
10 x 2-1/2" R4 screws by GRK Fasteners Pro-Pak (470 ct.) 10 x 2-1/2" R4 screws by GRK Fasteners Pro-Pak (470 ct.)

10 x 2-1/2" R4 screws by GRK Fasteners Pro-Pak (470 ct.)

Our Price $46.43
10 x 3-1/8" R4 screws by GRK Fasteners Pro-Pak (350 ct.) 10 x 3-1/8" R4 screws by GRK Fasteners Pro-Pak (350 ct.)

10 x 3-1/8" R4 screws by GRK Fasteners Pro-Pak (350 ct.)

Our Price $46.43
5/16" x 4" RSS screws by GRK Fasteners 5/16" x 4" RSS screws by GRK Fasteners Handy-Pak 100

Handy-Pak (100) 5/16" x 4" RSS screws

Our Price $53.12

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3/8" x 10" RSS screws by GRK Fasteners 3/8" x 10" RSS screws by GRK Fasteners

3/8" x 10" RSS screws

Our Price $2.70
3/8" x 6" RSS screws by GRK Fasteners 3/8" x 6" RSS screws by GRK Fasteners

3/8" x 6" RSS screws

Our Price $0.99
5/16" x 4" RSS screws by GRK Fasteners 5/16" x 4" RSS screws by GRK Fasteners

5/16" x 4" RSS screws

Our Price $0.36
10 x 3-1/8" R4 screws by GRK Fasteners 10 x 3-1/8" R4 screws by GRK Fasteners

10 x 3-1/8" R4 screws by GRK Fasteners

Our Price $0.20
10 x 2-1/2" R4 screws by GRK Fasteners 10 x 2-1/2" R4 screws by GRK Fasteners

10 x 2-1/2" R4 screws by GRK Fasteners

Our Price $0.13