Shipping carton measures 5 in long by 6.25 in wide by 5.18 in high.

How fast can I get it?

In our warehouse. Arrives on the next truck, typically 2 business days : trucks arrive Tuesday, Wednesday, Thursday and Friday.

What's the model number?

Model number 12221, UPC 772691122216, our SKU 5149596.

GRK Fasteners

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

Model: 12221
UPC: 772691122216
Our SKU: 5149596; Pack of 100
Factory pack: 2

Fast bite tip provides a fast start
Zip-Tip™ no pre-drilling, faster penetration
W-Cut™ low-torque, smoother drive
Reduce wear and tear on the battery while you work with Batteryguard™, a shock-absorbing battery to tool connection
S3 technology double hardens the blade edge for increased cutting life
Climatek™ coating is AC257 code approved for use in treated lumber

GRK's RSS™ rugged structural screw is a structural fastener designed for ease of installation and the strongest of connections. RSS fasteners drive into most woods without the need for pre-drilling. The specially engineered design results in a low-effort installation, especially compared to conventional lag screws.

$75.99100-packLaunch price

$0.76 each

Next truckIn on Wednesday, Oct 21 : 2 business days

Quantity

1 = one 100-pack

1 next truck

Availability

36 on the Wednesday, Oct 21 truck

Delivery

In on Wednesday, Oct 21 : 2 business days

Delivery runs after the truck lands

Model: 12221
UPC: 772691122216
Our SKU: 5149596; Pack of 100
Factory pack: 2

Product highlights

Length

3-1/8

Drive Size

Applicable Materials

Treated Lumber Wood

Finish

Climatek-Coated

Color

Yellow

Thread Size

5/16 in

Drive Type

Head Type

Washer

Specifications (24)

Full product specifications
Applicable Materials	Treated Lumber Wood
Color	Yellow
Drive Size	T30
Drive Type	Star
Finish	Climatek-Coated
Head Type	Washer
Length	3-1/8
Material	Steel
Package Quantity	100 PK
Point Type	Zip-Tip
Shear Strength	2948 lb
Tensile Strength	4247 lb
Thread Length	2-1/8 in
Thread Size	5/16 in
Thread Type	W-Cut
Type	Rugged
Weight	4 lb
Length (shipping)	5 in
Width (shipping)	6.25 in
Height (shipping)	5.18 in
Sold as	Sold by the pk100
Factory pack	2
Country of origin	TW
Shipping dimensions	5 in long by 6.25 in wide by 5.18 in high

Documents

Product description

Made of steel with a climatek-coated finish, with applicable materials Treated Lumber Wood, drive size T30, drive type Star.

Application

For interior and exterior use in carrying beams, ledger boards, stair rails, deck posts, playground equipment and other professional applications

Fast bite tip provides a fast start
Zip-Tip™ no pre-drilling, faster penetration
W-Cut™ low-torque, smoother drive
Reduce wear and tear on the battery while you work with Batteryguard™, a shock-absorbing battery to tool connection
S3 technology double hardens the blade edge for increased cutting life
Climatek™ coating is AC257 code approved for use in treated lumber

About this item

What is this?: GRK Fasteners RSS 12221 Structural Screw, 5/16 in Thread, 3-1/8 in L, W-Cut Thread, Washer Head, Star Drive, Steel. Listed under Screws - Pkg - Structure -coat.
What is it made of?: Material: Steel.
What size is it?: Shipping carton measures 5 in long by 6.25 in wide by 5.18 in high.
What is it used for?: For interior and exterior use in carrying beams, ledger boards, stair rails, deck posts, playground equipment and other professional applications
How is it sold?: Sold as a pack of 100.
How fast can I get it?: In our warehouse. Arrives on the next truck, typically 2 business days : trucks arrive Tuesday, Wednesday, Thursday and Friday.
What's the model number?: Model number 12221, UPC 772691122216, our SKU 5149596.

Delivery and returns

In on Wednesday, Oct 21 : 2 business days
Returns accepted within 30 days in original packaging with the receipt. Special-order items may be subject to a restocking fee : call the counter at (212) 535-8400.