Hex Socket Bolts | McMaster-Carr

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Drive Style

Hex with Pilot Recess

Phillips

Pozidriv®

Slotted

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Square

Tamper-Resistant Hex

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Torx

Tri-Wing®

System of Measurement

Thread Size

Length

Material

Fastener Head Type

Threading

Threaded on Both Ends

Finish

Titanium Carbon Nitride (TiCN) Coated

Zinc Flake Coated

Zinc Plated

Zinc Yellow-Chromate Plated

Socket Head Profile

Head Diameter

Thread Pitch

Head Height

Drive Size

Thread Type

Thread Direction

Thread Spacing

Shoulder Diameter

Shoulder Length

Specifications Met

Federal Specification

Fastener Strength Grade/Class

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 29,999 psi

30,000 psi to 99,999 psi

100,000 psi or greater

Not Rated

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

1C998

2B999

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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How can we improve?

27,243 Products

Fastening and Joining

Socket Head Screws

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

7,915 products

Flat Head Screws

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

2,576 products

Rounded Head Screws

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

2,742 products

Shoulder Screws

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

6,448 products

Set Screws

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

4,776 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

129 products

Fastener Assortments

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

3 products

Thumb Screws

Tighten and loosen by hand without the need for tools

56 products

Studs

Press, weld, or screw in place to add a threaded fastening point

1 product

Tapping Screws

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

35 products

Binding Barrels

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

193 products

Thread Adapters

Join threads of a different type, size, and gender

7 products

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

141 products

Anchors

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

11 products

Standoffs

Separate, position, or connect components in assemblies

12 products

L-Keys

Turn fasteners from either end and reach into tight spots

975 products

Screwdriver Bits

Pair with drivers to turn screws

266 products

Screwdrivers

Tighten and loosen screws

228 products

T-Handle Keys

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

422 products

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

1 product

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

17 products

Sockets

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

2 products

Electrical Power, Networking, and Controlling

Grounding Lugs

Create a common grounding path for internal components and circuits, as well as the enclosure body

1 product

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

2 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

112 products

Clamp-On Framing and Fittings

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

1 product

Slip-On Framing and Fittings

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

2 products

Protective Plugs

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

3 products

Fabricating and Machining

Locating Pin Lock Screws

Secure removable locating pins

1 product

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

158 products

Drill Bushing Lock Screws

Prevent drill bushings from spinning

7 products

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

14 products