Hex Head Screws | McMaster-Carr

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100,000 psi to 109,999 psi

110,000 psi to 119,999 psi

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Metric Class 4g6g

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37,418 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

10,507 products

Tapping Screws

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

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Set Screws

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

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Tighten and loosen by hand without the need for tools

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Binding Barrels

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

Magnets

Attract or repel metal objects to hang, secure, or position them

Building and Machinery Hardware

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

Power Transmission

Lead Screws

Pair with lead screw nuts to move components in a straight line

Electrical

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

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

Clamping Screws

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

T-Tracks

Add fixturing to flat surfaces on machines such as table saws, CNC routers, and drill presses

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