RSS™ Rugged Structural Screw

Easy to install lag alternative

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.

Fast Bite Tip: Provides a fast start
Zip-Tip™: Eliminates pre-drilling
W-Cut™: Low torque, faster drive
Precision Fit*: Reduces wobble between RSS screws and GRK bits for improved productivity*
Climatek™ Coating Code: Approved for use in treated lumber
Star Drive Recess: Zero stripping, with 6 points of contact

*Not available in all sizes. Reference tables below.

RSS™ Rugged Structural Screw

Features

Integrated Washer Head

For maximum clamping force

Unique Thread Design

Draws two substrates together while its washer head allows zero gap joints

W-Cut™

Low torque and smoother drive reduce splitting

Additional Features

For use in heavy duty structural applications and deck substructures as a replacement for lag screws and other remodeling applications
Rugged enough for use in LVL, LSL, and other dense wood
ESR-2442 approved for structural applications

Applications

Heavy Duty Framing

LVL Fastening

Structural Decking

Additional Applications

Ledger boards
Multi-ply
Interior and exterior remodeling

Pack Sizes

Individually Tagged

	Size (Dia. x Lgth.)	Part No.	Qty.
T-25
	1/4" x 2-1/2"	90305	1/75
	1/4" x 3-1/2"	90306	1/75
T-30
	5/16" x 3-1/2"	90307	1/50
	5/16" x 3-1/8"	96001	1/50
	5/16" x 4"	96005	1/50
	5/16" x 5-1/8"	96010	1/50
	5/16" x 6"	96015	1/40
T-40
	3/8" x 8"	96020	1/25
	3/8" x 10"	96025	1/25
	3/8" x 12"	96030	1/20

Handy Packs

	Size (Dia. x Lgth.)	Part No.	MC Qty. / Screw Qty. (per EA)
T-25
	#10 x 2-1/2"	12133	10/50
	#10 x 3-1/8"	12137	10/50
	1/4" x 1-1/2"	12151	20/50
	1/4" x 2"	12155	10/50
	1/4" x 3-1/8"	12161	10/50
T-30
	5/16" x 2-1/2"	12217	9/100
	5/16" x 3-1/8"	14221	10/25
	5/16" x 4"	14225	10/25
	5/16" x 5-1/8"	14235	10/25
	5/16" x 6"	14235	10/25
	5/16" x 3-1/2"	95307	4/45

Pro Pack

	Size (Dia. x Lgth.)	Part No.	Pail Qty.
T-25
T-25	#10 x 3-1/8”	11137	236
T-30
	5/16" x 2-3/4"	12219	2/100
	5/16" x 3-1/8"	12221	2/100
	5/16" x 3-1/2"	12223	2/100
	5/16" x 4"	12225	2/100
	5/16" x 5-1/8"	12231	9/50
	5/16" x 6"	12235	9/50
T-40
	3/8" x 4"	12275	9/50
	3/8" x 6"	12281	2/50
	3/8" x 7-1/4"	12285	2/50
	3/8" x 8"	12287	2/50
	3/8" x 10"	12293	2/50
	3/8" x 12"	12299	2/50
	3/8" x 14-1/8"	12307	2/50
	3/8" x 16"	12311	2/50

Bulk

	Size (Dia. x Lgth.)	Part No.	Box Qty.
T-25
	#10 x 2-1/2"	10133	1,000
	#10 x 3-1/8"	10137	800
	#1/4 x 1-1/2"	10151	1,000
	#1/4 x 2"	10155	800
	#1/4 x 2-1/2"	10157	700
	#1/4 x 3-1/8"	10161	500
T-30
	5/16" x 2-1/2"	10217	600
	5/16" x 2-3/4"	10219	500
	5/16" x 3-1/8"	10221	500
	5/16" x 3-1/2"	10223	500
	5/16" x 4"	10225	400
	5/16" x 5-1/8"	10231	300
	5/16" x 6"	10235	300
T-40
	3/8" x 3-1/8"	10273	400
	3/8" x 4"	10275	400
	3/8" x 6"	10281	300
	3/8" x 7-1/4"	10285	200
	3/8" x 8"	10287	300
	3/8" x 10"	10293	300
	3/8" x 12"	10299	300
	3/8" x 16"	10311	100

Documentation & Code Approval

Technical Documentation

Code Approvals

ESR-2442

Download

ESR-2442

Download

FAQs

Does your Climatek coating contain any heavy metals such as Cadmium?

No, GRK's coating does not contain any heavy metals.

What does it mean when you state wood was tested at a specific gravity?

There is a number assigned to specific wood types. This number helps to determine the Tensile and Shear of fasteners used in these gravities

What are Tensile and Shear values for GRK screws in OSB Plywood?

The manufacturer of the OSB would have to be contacted for the gravity/contents of the plywood in order to determine the pull out and shear.

Can MCQ be used with any GRK screws?

Yes, GRK screws can be used in MCQ treated lumber.

Do all GRK Screws have the Zip Tip™ feature?

All GRK R4, RSS, Cabinet, Trim, and MSS screws 1" in length and longer contain the Zip Tip™ feature.

When should I use stainless steel screws?

Use of 305 stainless steel screws are recommended for use in Ipe, Wolmanized Treated Lumber, Cedar, White Oak, and any hardwood. Anything within 1 mile of the coast should use 316 Stainless Steel fasteners and anything 1 to 15 miles of the coast should use 305 Stainless Steel fasteners.

What is Climatek™ Coating?

The GRK Climatek coating provides superior corrosion resistance, allowing the screw to be used in both interior and exterior applications as well as pressure treated lumber.

RSS™ Rugged Structural Screw

Easy to install lag alternative

RSS™ Rugged Structural Screw

We Value Your Opinion

Features

Integrated Washer Head

Unique Thread Design

W-Cut™

Additional Features

Applications

Heavy Duty Framing

LVL Fastening

Structural Decking

Additional Applications

Pack Sizes

Individually Tagged

Handy Packs

Pro Pack

Bulk

Documentation & Code Approval

Technical Documentation

RSS Product Information

RSS Technical Drawing

Safety Data Sheet

Tech Bulletin - Ledger Board: Structural Screw

Tech Bulletin - Multiple Sawed Lumber and Engineered Wood Beams

Tech Bulletin - Roof Joist or Roof Truss to Top Plate or Stud Connection

RSS Product Information

RSS Technical Drawing

Safety Data Sheet

Tech Bulletin - Ledger Board: Structural Screw

Tech Bulletin - Multiple Sawed Lumber and Engineered Wood Beams

Tech Bulletin - Roof Joist or Roof Truss to Top Plate or Stud Connection

Code Approvals

ESR-2442

ESR-2442

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