Black-Oxide Hex Keys | McMaster-Carr

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System of Measurement

Drive Size

Tip Style

Drive Style

Tamper-Resistant Hex

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Driver Style

Overall Length

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"

2 3/8" to 3 1/4"

Grip Style

Long Leg Length

Finish

Phosphate Coated

Material

Relative Length

Short Leg Length

Color

Fluorescent Orange

Number of Pieces

Shaft Length

Ball Location

Container Type

Compartmented Metal Box

Compartmented Plastic Box

Plastic Roll-Up Pouch

Length

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"

2 3/8" to 3 1/4"

Maximum Access Angle

Performance

Drop Prevention

High Visibility

Tight Clearance

REACH

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Shaft Overall Width

How can we improve?

666 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

Nut Starters

Begin turning nuts in hard-to-reach spots

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

Fabricating and Machining

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

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