The McMaster-Carr online catalog has more than 555,000 products listed in such categories as fasteners, hand tools, raw materials, sawing and cutting, polishing, sealing, power transmission and many more. The company offers many industrial supply products. Customers can select products by choosing specific categories that are divided into different subcategories.
The catalog provides information on all its individual products, such as pictures of the product, specifications, diagrams, charts and sizes. For example, under socket cap screws, customers are provided with thread sizes, information on product use, types of heads on the screws and an explanation on screw sizes and how to choose them for a particular use.
If a customer has questions on products or needs assistance, he or she can send a message through the "Contact" page. The company states that emails will be answered within 2 hours. Customers can also contact the company by telephone, text or mail.