Black-Oxide Hex Keys | McMaster-Carr

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1 5/16" to 4 11/16"

1 5/16" to 4 3/4"

1 5/16" to 6 13/16"

1 5/16" to 6 15/16"

1 3/4" to 4 5/8"

1 13/16" to 4 3/4"

2 1/16" to 4 11/16"

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665 Products

Fastening and Joining

L-Keys

Turn fasteners from either end and reach into tight spots

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Nutdrivers

Tighten and loosen nuts and bolts

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

Nut Starters

Begin turning nuts in hard-to-reach spots

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)