Global Certified Fasteners can provide you with standard and special bolts, of the shelf. These bolts are available in all lengths, diameters, meterials, and finishes. Diameter sizes in stock include: Hex Cap NC & NFHex Tap NCHex Machine Bolts: Spec ASTM A307A and A307BAnchor BoltsAll Threaded RodOther required and most standard diameters available.There are many finishes that are offered: Standard plain. Mechanical Galvanized, Hot Galvanized, Zinc Plated, and any other required finish. Various materials are used: Carbon & Heat Treated Steel, Alloy Steel, All Stainless Steel, Grade B7, Brass, Aluminum, and the other exotic materials. Complete Inspection, full traceability with lot control and certifications available and suggested.