Technical Specs
Overview
FastenMaster 4 In. HD Timberlok Structure Screws, 50 Pc are designed for heavy-duty applications requiring strong, reliable fastening. These screws feature a countersinking head style and are heat-treated to provide increased strength and durability. Their heavy-duty threads deliver excellent holding power, making them ideal for driving directly through pressure-treated beams without the need for pre-drilling. For optimal performance, use a 1/2" high torque, low RPM power drill. Included with the screws is a 5/16" hex drive bit for easy installation. Made from carbon steel with an epoxy-coated black finish, these screws combine strength and corrosion resistance for long-lasting use.
Model Number: FMTLOK04-50
Warranty
FastenMaster backs its structural wood screws (LedgerLOK, HeadLOK, TimberLOK, ThruLOK, FlatLOK, FrameFAST) with a Guarantee of Performance rather than a generic consumer warranty: the fastener is guaranteed to meet its published ICC-ES structural load values when installed per FastenMaster's technical specifications and installation guides. If a fastener fails to perform as specified under proper installation, contact FastenMaster technical support (techsupport@fastenmaster.com) to file a claim.
Product Specifications
-
Fastener Type
- Washer
-
Manufacturer Part Number
- Fmtlok04 50
Flexible Pickup & Delivery
Find a lower price on an exact item? We'll match it. Some exclusions apply.
Learn MoreAuthorized Dealer
We are an authorized dealer of several top brands, providing high-quality products with unmatched service.
Learn MoreFamily-Owned
We are a fourth-generation family-owned business built on community, trust, and family values.
Learn MorePrice Pledge
We will price-match items our customers find at local competitors for less money on in-store and online purchases.
Learn More- Choosing a selection results in a full page refresh.
- Opens in a new window.