Screw & Bolt Reference Guides

Explore the different types of threaded fasteners, drive systems, and other important parts of fastening applications. Learn how screws, bolts, and other threaded fasteners are used in different projects and how to choose the right option for the job.

These topics cover installation methods, tool compatibility, and the performance differences between common fasteners. You’ll also find helpful information on strength, holding power, corrosion resistance, and best practices for safe and reliable connections.

• Key Bolt Characteristics
• How to Measure a Screw
• Construction Fasteners
• Cutting Screws Guide
• Self-Tapping Screws
• Drywall Screws vs Wood Screws
• What Is Robertson Drive

Types of Industrial Bolts

• Anchor Bolts: Also known as anchor studs, commonly used for structural anchoring in concrete.
• Carriage Bolts: Feature a square neck under a rounded head to provide a clean, secure finish.
• Elevator Bolts: Offer smooth finishes with a square neck under a large, flat head.
• Eye Bolts: Useful for fastening and securing rope or cables to stable structures.
• Flange Screws: Feature a flange below the hex head for increased load-bearing properties.
• Hanger Bolts: Also known as fully threaded studs; are installed into pre-drilled holes.
• Hex Bolts: Standard industrial bolts with hex heads used for general-purpose applications.
• Plow Bolts: Desired for reinforced strength and wear resistance for industrial projects.
• Square Head Bolts: Feature square heads and are commonly used for railways or decorative finishes.
• Step Bolts: Offer clean, finished looks and resistance to twisting in wood applications.
• Stove Bolts: Also known as machine screws, they feature flat heads and are used to fasten sheet metal.
• Structural Bolts: Known for strength and used for high-intensity structural applications.
• Tap Bolts: Offer load-bearing properties and feature fully threaded shafts for secure installations.
• Timber Bolts: Feature mushroom-shaped heads for increased grip and offer excellent corrosion resistance.
• Toggle Bolts: Used for vertical applications and features an eyebolt and winged toggle nut components.

Types of Industrial Screws

Fasteners Etc., Inc. offers the following types of industrial screws to fit any project requirements:

• Hex Cap Screws:Universal fasteners for metal-to-metal and metal-to-wood applications.
• Self-Drilling/Tek Screw: Provides a strong connection for metal-to-metal and metal-to-wood applications without the need to pre-drill.
• Construction Screws: A general assortment of screws with sharp points, including self-piercing and deck screws.
• Self-Tapping Screws (Sheet Metal): These versatile screws, often called sheet metal screws, are used in their most common application; however, they do require a pre-drilled hole for installation.
• Machine Screws: Highly versatile screw with countless drive and head options to fit the requirements of the job.
• Drywall Screws: A type of self-tapping screw designed specifically for connecting drywall to metal or wood.
• Lag Screws: A heavy-duty, reliable screw ideal for wood-to-wood connections carrying a heavy load.
• Wood Screws: The top choice for wood-to-wood connections that do not require a heavy load.
• Drive Screws: The best option for a more permanent connection into metal or plastics, with installation completed by driving the screw into the base material.