What GRK Fasteners does

GRK Fasteners is a US-headquartered manufacturer of construction fasteners, operating as a division of ITW (Illinois Tool Works), a Fortune 500 diversified industrial conglomerate. The company designs and sells structural framing screws (R4, RSS, RSS JTS), finish and cabinetry screws (Finish Trim Head, Low Profile Cabinet, RT Composite), decking and fastening systems (Metal Connector Screw, AugerBolt, AnglePro, Deck Elite), and specialty fasteners (Caliburn concrete, MSS metal siding, Top Star shim screws), available in coated carbon-steel, 305 stainless, and 316 stainless variants. Its core technology rests on four proprietary mechanical and coating innovations: Star Drive (6-point recessed drive designed to eliminate stripping), W-Cut (thread geometry lowering drive torque), Zip-Tip (self-drilling tip eliminating pre-drilling), and Climatek (corrosion coating approved for pressure-treated lumber without heavy metals). ICC-ES Evaluation Reports ESR-3201 and ESR-2442 certify key structural SKUs for code-compliant construction, creating a regulatory barrier that supports specification sales.

The business model is B2B and B2C hardware sales through physical and digital retail. Products are distributed via the three largest US home improvement chains—The Home Depot, Lowe's, and Menards—plus regional and local building material dealers. Pricing is unit-based with two tiers (Handy Packs for DIY consumers and bulk quantities for professional contractors) and is not publicly disclosed. Revenue is transactional with no recurring contracts; the company supports buyers through retail point-of-sale, an online product-finder tool, email newsletters, and a 'Talk to an Expert' field-support service. Customer segments are professional contractors (framers, deck builders, remodelers), specialized deck builders, and DIY homeowners, with primary emphasis on professional and deck-builder use cases. The company is privately held as a division of publicly traded ITW and does not report standalone financials.

Name

GRK Fasteners

Legal name

GRK Fasteners

Website

https://grkfasteners.com

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

11–50 employees

Short description

GRK Fasteners, a division of ITW (Illinois Tool Works), manufactures code-compliant structural, finish, decking, and specialty screws for professional contractors, deck builders, and DIY homeowners, distributed primarily through The Home Depot, Lowe's, and Menards in the United States.

Ownership category

akta.pro rank

Product category

Construction Fasteners

NAICS

Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722)

SIC

Bolts, Nuts, Screws, Rivets & Washers (3452), Screw Machine Products (3451)

akta.pro primary industry

Fasteners, Anchors & Connectors (Bolts, Weld Studs, Plates) (IMADACAJ)

akta.pro secondary industry

Fasteners, Nails, Screws & Anchors Retail (CRAIADAC)

Keywords

• Construction fasteners
• Structural screws
• Decking fasteners
• Framing screws
• Finish trim screws

Headquarters

HQ city

Thunder Bay

HQ country

Canada

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D

Revenue model

1. Fastener Product Sales: GRK generates revenue through the sale of fasteners including structural framing screws, decking screws, finish screws, and specialty fasteners. Products are sold through retail distribution partners and direct-to-customer through their website 'Where to Buy' channel. Revenue is primarily one-time transactional purchases rather than recurring contracts.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

GRK Fasteners manufactures and sells construction-grade screws and fastening systems, including structural framing screws, finish and cabinetry screws, decking fasteners and hidden fastening systems, and specialty fasteners. Products feature proprietary drive (Star Drive), thread (W-Cut), tip (Zip-Tip), and coating (Climatek) technologies, with several lines carrying ICC-ES code approvals for structural and metal-to-wood applications. The portfolio is sold through major U.S. home improvement retailers, local dealers, and the company's website, serving professional contractors and DIY homeowners.

Product overview

GRK Fasteners is a manufacturer of category-leading fasteners for the construction industry, operating as a division of ITW (Illinois Tool Works). The product portfolio includes structural framing screws (R4, RSS, RSS JTS, RSS Black), finish/cabinetry screws (Finish Trim Head, Low Profile Cabinet, RT Composite), decking and fastening systems (Metal Connector Screw, AugerBolt, AnglePro, Deck Elite), and specialty fasteners (Caliburn Concrete, MSS Metal Siding, Top Star Adjustable Shim). Products feature proprietary technologies including Star Drive (6-point contact, zero stripping), W-Cut (low torque, faster drive), Zip-Tip (eliminates pre-drilling), and Climatek coating for corrosion resistance. GRK offers fasteners in various materials including standard coated, 305 stainless steel (coastal/mild corrosive), and 316 stainless steel (extreme corrosion/coastal within 1 mile). The company serves multiple market segments including residential construction, decking, cabinetry, fencing, docks/marine, and general carpentry.

Differentiator

Problem solved

Functional benefit

Products and services

• R4 Multi-Purpose Screw Multi-purpose structural framing screw designed for fast, secure installation across a range of construction applications including framing, pergolas, post frame buildings, roof trusses, stairs and railings, and subfloors. Aimed at professional contractors and serious DIY users.
• RSS Rugged Structural Screw Heavy-duty structural fastener designed to replace conventional lag screws, providing ease of installation and strong connections for heavy-duty roof and floor construction, timber framing, and structural connections.
• RSS Black Structural Screw Black-finished structural screw providing aesthetic structural connections with zero-stripping Star Drive technology and lag-screw replacement functionality.
• RSS JTS Joist & Truss Screw Structural fastener with integrated washer head for maximum clamping force, designed for the strongest connections in heavy-duty roof and floor construction.
• Finish Trim Head Screw Trim head screw providing a clean, finished appearance for cabinetry, trim, moulding, stairs and railings, and fine carpentry applications.
• Low Profile Cabinet Screw Low profile screw designed for cabinetry applications requiring a clean, recessed finish. Also offered in a white finish variant.
• RT Composite Trim Head Screw Screw designed for attaching composite and cellular PVC materials, with reverse threading under the head to prevent mushrooming and eliminate dimples.
• Metal Connector Screw ICC-ES approved screw designed for fast, reliable, and code-compliant metal-to-wood structural applications in deck building, framing, and heavy-duty projects.
• AugerBolt Through-bolt fastening system for deck construction that boosts productivity with one-step installation, fewer components, and fast drilling.
• AnglePro Hidden Fastening System Hidden deck fastening system providing a smooth finish and reducing fastener visibility, with an adjustable design for various decking projects.
• Deck Elite Hidden Deck Fasteners Hidden deck fasteners designed for use with the AnglePro tool, providing an aesthetic finish with clamping power that rivals top-down decking fasteners.
• Deck Elite Screw Top-down decking screw designed for pressure-treated wood decks, with fasteners that blend with treated lumber for a cleaner finish and a lifetime guarantee against corrosion on select products.
• Deck Elite Stainless Steel 316 Hidden Deck Fasteners Stainless steel hidden deck fasteners providing extreme corrosion resistance for coastal applications and environments with high exposure to chlorides.
• Caliburn Concrete Screw Concrete screw designed for fastening into concrete and masonry substrates.
• MSS Metal Siding Screw Metal siding screw designed for exterior metal siding applications.
• Top Star Adjustable Shim Screws Adjustable shim screws for precise adjustment in construction applications.
• Star Drive Bits Star drive bits designed to work with GRK fasteners, providing zero-stripping installation with 6 points of contact.
• Finish Trim Head 316 Stainless Steel Screw 316 stainless steel trim head screw providing extreme corrosion resistance for coastal applications within 1 mile of the coast and for chemically treated wood environments.
• Finish Trim Head 305 Stainless Steel Screw 305 stainless steel trim head screw recommended for applications 1 to 15 miles from the coast and various wood species including cedar and redwood.
• RT Composite 305 Stainless Steel Screw 305 stainless steel composite trim head screw providing corrosion resistance for exterior environments with high moisture content such as boardwalks, piers, and docks.
• R4 316 Stainless Steel Screw 316 stainless steel multi-purpose screw offering superior corrosion resistance for extreme environments.
• R4 305 Stainless Steel Screw 305 stainless steel multi-purpose screw recommended for exterior applications and hardwoods.
• RSS 305 Stainless Steel Screw 305 stainless steel rugged structural screw for exterior structural applications requiring corrosion resistance.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• The Hillman Group: Large-scale fastener and hardware producer serving Big-Box retailers, including private-label and branded screws. Overlaps with GRK on commodity and structural SKUs sold through the same retail channels.
• Powers Fasteners (Stanley Black & Decker): Established construction fastener manufacturer with concrete, masonry, and structural anchors. Comparable product overlap on specialty fastener categories (Caliburn concrete screws); broader portfolio under a much larger parent.
• Hilti: Global construction technology and fastening systems company. Comparable on premium code-recognized structural anchors and screw systems, though typically positioned at higher price tiers in commercial construction.

Direct peers

• Grip-Rite (PrimeSource Building Products): Major US fastener brand with structural, decking, and finish screws sold through lumber yards and home improvement retailers. Direct retail-channel competitor across multiple of GRK's core SKUs.
• CAMO Fasteners (National Nail): Direct competitor in hidden deck fastening systems and edge-fastening solutions. Targets the same deck builder and DIY homeowner segments through overlapping retail distribution and similar proprietary installation technologies.
• Simpson Strong-Tie: The dominant US manufacturer of code-recognized structural connectors and fasteners for wood construction. Competes directly with GRK in structural screws, deck framing fasteners, and ICC-ES-approved products serving the same professional contractor and deck builder segments.
• FastenMaster: Specialist manufacturer of premium structural and deck fastening systems (including Tiger Claw hidden fasteners and LedgerLOK). Closely comparable product mix to GRK with similar ICC-ES code approvals and contractor channel focus.
• Tapcon (ITW Brands): Sister brand under ITW specializing in concrete and masonry screws (Caliburn-equivalent). Closely comparable technology base and parent-company distribution advantages, with overlap on specialty concrete fastening SKUs.
• Red Head (ITW Brands): Sister ITW brand focused on concrete anchoring and structural fasteners. Shares ITW's Big-Box retail relationships and competes on overlapping structural applications.

Emerging players

• Screw Products Inc. Specialty structural and deck screw manufacturer offering ICC-ES-approved products. Comparable mid-sized competitor with similar product positioning in the professional contractor channel.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/GRKFasteners
• Facebookfacebook.com/grkfasteners
• LinkedInlinkedin.com/company/grk-fasteners

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GRK Fasteners