✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

On Sale Grk Fasteners Rss 10221 Structural Screw, 5/16 In Thread, 3-1/8 In L, Washer Head, Star Drive, Steel Equipment [TzCjQD8k]

$50.99 $163.99 -69%

GRK Fasteners RSS 10221 Structural ScrewIntroducing the GRK Fasteners RSS 10221 Structural Screw, a premium fastener designed for durability and efficiency. This screw is crafted from specially hardened steel, offering exceptional tensile, torque, an

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

On Sale Grk Fasteners Rss 10221 Structural Screw, 5/16 In Thread, 3-1/8 In L, Washer Head, Star Drive, Steel Equipment [TzCjQD8k]

GRK Fasteners RSS 10221 Structural Screw

Introducing the GRK Fasteners RSS 10221 Structural Screw, a premium fastener designed for durability and efficiency. This screw is crafted from specially hardened steel, offering exceptional tensile, torque, and shear strength. Its sharp threads and points ensure instant bite into various materials, including hardwood, reducing the risk of splitting. The RSS screw stands out as an efficient alternative to traditional lag screws, providing unparalleled performance in a variety of applications.
  • High-Strength Steel construction for superior tensile, torque, and shear strength.
  • Sharp threads and points for immediate grip on hardwood and other materials.

Technical Specifications and Features

The GRK RSS 10221 Structural Screw features a 5/16 in thread and a length of 3-1/8 in. Its washer head design provides a smooth, flush finish, while the star drive helps with easy installation. The screw's unique CEE threads are designed to enlarge the screw hole for the non-threaded portion, allowing wood to settle easily and increasing the screw's drawing strength. This innovative feature also reduces friction on the screw shank, lowering driving torque and minimizing wood splitting.
  • 3-1/8 in Length with 5/16 in thread for versatile use.
  • CEE threads for easy wood settling and increased drawing strength.
  • Star drive for simple and effective installation.

Practical Applications and Benefits

The GRK Fasteners RSS 10221 Structural Screw is an ideal choice for a wide range of applications, from woodworking projects to heavy-duty construction tasks. Its built-in shield and round head design eliminate sharp edges, making it suitable for use with pre-drilled hardware like hinges and connector plates. This screw is not only durable but also user-friendly, ensuring a secure fit every time.
  • Washer Head Design for a flush finish and easy installation.
  • Perfect for use with pre-drilled hardware, including hinges and connector plates.
  • Enhanced security and stability in a variety of construction and woodworking projects.

What Our Customers Say

January 25, 2026

Absolutely no complaints!

This is a very solid and reliable work.

- Cillian F..

January 25, 2026

Absolutely no complaints!

A dependable workhorse of a product.

- Jace A..

January 25, 2026

Absolutely no complaints!

This product is pure genius.

- Alan C..

Write a Review

You Might Also Like

Discover more great products from our collection.

Chip And Chiller Serving Set

Chip And Chiller Serving Set

(551)
$20.99 $67.99 -69%
Polaris Rear Rack PN 219400254

Polaris Rear Rack PN 219400254

(451)
$47.99 $153.99 -69%
Swan No. 8 - 36 x 48

Swan No. 8 - 36 x 48

(6)
$144.99 $463.99 -69%
Rear Fender Bobbed Steel

Rear Fender Bobbed Steel

(256)
$39.99 $127.99 -69%
Florida Gator Logo Earrings

Florida Gator Logo Earrings

(835)
$18.99 $60.99 -69%
Boule Roto Grip Cell Fusion

Boule Roto Grip Cell Fusion

(917)
$56.99 $182.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY