HEATKEYS

Material properties, stress analysis formulas, reference tables, on-line manuals, and fastener analysis data for structural, mechanical, and aerospace engineers.

Large selection of nuts and bolts as well as other fasteners online. Nuts, bolts, and screws in stainless steel, bronze, galvanized and more including metric bolts. Buy individual nuts and bolts with no minimum order, fast shipping and a 100% guarant...

Portland Bolt manufactures and stocks both black and galvanized anchor bolts and construction fasteners to ASTM specifications for quick delivery.

Tools and Basic Information for Design, Engineering and Construction of Technical Applications

Providing Forged Eye Bolts, Forged Eye-Bolts, Heavy Hex Nuts, Heavy Hexagon Nuts, J-Bolts, Transport Chains, Wire Rope Clips, Small Eyebolts, Custom U Bolts, U Bolt, Ubolt, and U-Bolt

Online reference tool for mechanical designers. Includes engineering data tables, material info, manufacturing methods, software guides, design guides and more!!