Metric Hex Heads | McMaster-Carr

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Aluminum Bronze

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ANSI/MSS SP-114

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Less than 100,000 psi

100,000 psi to 119,999 psi

120,000 psi to 129,999 psi

130,000 psi to 149,999 psi

150,000 psi or greater

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7,270 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Wood Screws

Fasten material to wood or pieces of wood to each other

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Box Wrenches

Grip all sides of a fastener to prevent slipping

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen screws

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

T-Handle Keys

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Fluid Handling

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Building and Machinery Hardware

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

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