McMaster-Carr Product of the Month

Not just nuts and bolts! Celebrating the depths of the McMaster-Carr catalogue.

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July 2026: Heavy Duty Flagpole for 4 Feet x 6 Feet Flag (7170T4)

These flagpoles withstand wind gusts up to 120 mph.

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June 2026: Vehicle-Mount Umbrella (5479T4)

Umbrellas have a universal mounting bracket that adapts to fit most equipment. Pole has a tilt hinge.

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May 2026: In-Plant Office Building, 12 Feet x 8 Feet x 20 Feet Overall Size, 3 Windows (6704T998)

Easy to assemble and relocate when necessary, these office buildings create a private work space in your warehouse or manufacturing facility. Buildings come with four walls but do not come with a floor. Each building has 3" thick, R-11 insulated wall panels; 24-ga. steel floor track with screw-on vinyl base; steel posts with wiring access on two sides; aluminum top caps and corner posts; 22-ga. corrugated steel roof; and a 24" × 48" noncombustible lay-in acoustical ceiling system. You'll also get a 36" Wd. × 84" Ht. × 1 3/4" Thick. door that's made of 20-ga. steel and hung on an 18-ga. steel frame. The door has a 24" Wd. × 24" Ht. × 1/4" Thick. tempered glass window and comes furnished with a keyed lock and two keys (keyed differently). All doors swing out and are hinged on the left. Buildings include up to three (see below) factory-installed tempered glass windows that measure 48" Wd. × 36" Ht. × 1/4" Thick., which can be installed in any wall panel location. They also come with an electrical package that includes 24" × 48" recessed fluorescent light fixtures with acrylic lens cover (four 48" long T8 bulbs required and not included), 110V AC outlet, wall switch, outlet boxes, conduit (wiring not included), and a circuit breaker panel (with breakers) that's rated at 100 amps with a 70-amp main.

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April 2026: Original Beef Jack Links Jerky, 2.85 oz. Bag (1990N14)

Cannot Be Sold to Canada—Snacks cannot be sold to Canada due to import regulations.

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March 2026: Railcar Derailer for 90-141 lbs. Per 3 Feet Rail Size (2184T3)

Secure the clamp on this derailer to a rail head to protect people, buildings, and other rail cars from uncontrolled car movements during loading, unloading, and servicing. Derailer is for temporary installation and operates by lifting the railcar's wheel and dropping it clear of the rail. It provides derailment in both directions. The clamp and flag can be locked in position with a padlock (not included).

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February 2026: Heated Socks for Men's Shoe Size 5-8.5 Women's Shoe Size 6 to 9.5 (9779N112)

Don’t get cold feet. Powered by batteries, these socks have built-in heating panels near the toes for more warmth than disposable foot warmers. Just hit the power button on the battery packs to get the heat flowing. Each sock has a pocket on the cuff for storing the packs securely out of your work boots and within reach. While these socks are slim for a comfortable fit in your boots, they’re far from flimsy: made of a wool blend, they’re more wear resistant than cotton socks. Hand wash or machine wash them on the gentle cycle using the included mesh bag. Hang-dry only. Batteries not included.

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January 2026: Screwdriver, 1/2" Slotted, 25" Overall Length (6970A14)

A staple in any toolbox, these are your go-to screwdrivers for routine maintenance and repair. Plain Grip—Made of hard plastic for durability. Black-Oxide Steel—These screwdrivers withstand occasional moisture.

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December 2025: Solid Manhole Cover (6168N11)

Made of cast iron, these covers are strong enough to handle high-volume foot and vehicle traffic. Use them to cover manholes on roads, parking lots, or walkways.