Welcome to our Size Charts category, your trusted resource for accurate dimensions, standard measurements, and professional sizing guides for mechanical components, industrial hardware, tools, and engineering products. Whether you are selecting bearings, gears, pipes, shafts, couplings, O-rings, oil seals, roller chains, hose clamps, or other machine parts, our detailed size charts help you identify the correct size quickly and confidently.
Each guide includes standard dimensions, measurement methods, sizing tables, practical examples, and expert tips to simplify product selection and ensure compatibility. Our goal is to provide reliable, easy-to-understand information for engineers, mechanics, manufacturers, maintenance professionals, contractors, DIY enthusiasts, and anyone working with mechanical equipment. Explore our comprehensive collection of size charts to make informed decisions, avoid costly sizing mistakes, and choose the right component for every application.
A pipe clamp is a mechanical fastening and support component used to secure pipes, tubes, conduit, hoses, and other cylindrical components to walls, ceilings, floors, frames, and structural supports. Pipe clamps are available in many styles, materials, and sizes, making them useful in plumbing, HVAC, industrial piping, hydraulic systems, electrical installations, and construction. Choosing the … Read more
Fillister head screws are specialized fasteners with a tall, narrow, cylindrical head and a flat or slightly rounded top. Their head design provides a relatively deep drive recess and a concentrated bearing area, making them useful in machinery, tooling, precision equipment, and applications where the fastener head needs to fit into a counterbored hole. Unlike … Read more
Saddle clamps are simple but versatile fastening components used to secure pipes, tubes, cables, hoses, conduit, and other cylindrical objects to a surface. Their curved saddle-shaped body fits around the outside of the material while screws, bolts, or other fasteners hold the clamp against the mounting surface. Choosing the correct saddle clamp size depends primarily … Read more
External retaining rings, also called external circlips, snap rings, or shaft retaining rings, are mechanical fasteners designed to hold components securely on a shaft or in a groove. They are commonly used in machinery, automotive assemblies, gearboxes, pumps, motors, bearings, and industrial equipment. Unlike nuts, bolts, and washers, an external retaining ring does not normally … Read more
Expansion anchors are widely used for fastening objects to concrete, brick, block, and other masonry materials. Unlike ordinary screws, expansion anchors create a secure connection by expanding inside a drilled hole and gripping the surrounding base material. Choosing the correct expansion anchor size depends on several factors, including anchor diameter, anchor length, bolt diameter, hole … Read more
U-bolts are widely used fasteners designed to secure pipes, tubes, cables, axles, mechanical components, and other round or similarly shaped objects to a supporting surface. Their U-shaped design wraps around the component while the two threaded ends pass through a mounting plate, bracket, or cross member. Choosing the correct U-bolt size requires more than measuring … Read more
Oval head screws are widely used when a fastener needs a partially countersunk head with a rounded, finished top. They provide a cleaner appearance than many raised-head fasteners while still offering a visible decorative head profile. Also known as oval countersunk screws or raised countersunk head screws, these fasteners are commonly used in woodworking, furniture, … Read more
Truss head screws are widely used fasteners designed with a large, low-profile head that provides a broad bearing surface over the material. Their wide head makes them especially useful for fastening thin sheet metal, panels, brackets, plastic components, electrical equipment, and other materials where a larger contact area is beneficial. Choosing the correct truss head … Read more
Eye bolts are specialized fasteners with a looped eye at one end and a threaded shank at the other. They are widely used for lifting, rigging, anchoring, tensioning, securing equipment, and general mechanical applications. However, not every eye bolt is designed for lifting, and selecting the correct type and size is essential for safety. The … Read more
Carriage bolts are widely used fasteners for woodworking, construction, furniture assembly, machinery, metal fabrication, trailers, outdoor structures, and general maintenance. Their distinctive rounded head and square neck allow the bolt to be installed without easily turning when the nut is tightened. Choosing the correct carriage bolt size requires more than knowing the bolt diameter. You … Read more
