Socket Heads | McMaster-Carr

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System of Measurement

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Length

Material

Stainless Steel

Fastener Head Type

Socket Head Profile

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Finish

Corrosion-Resistant Coated

Magnesium Phosphate Coated

Phosphate Coated

Specifications Met

Federal Specification

Head Diameter

Drive Size

Head Height

Thread Pitch

Thread Type

Thread Direction

Shoulder Length

Thread Spacing

Shoulder Diameter

Tensile Strength

Less than 20,000 psi

20,000 psi to 49,999 psi

50,000 psi to 59,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

DFARS Specialty Metals

Fastener Strength Grade/Class

Rounded Head Style

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

How can we improve?

30,180 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

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

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

Shoulder Screws

Shoulder Screws

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

Set Screws

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

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials 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

Sockets

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

Bit Sockets

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

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Wrench Heads

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Socket Bits

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

Socket Inserts

Slip into sockets to keep fasteners from falling out

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Oil Filter Sockets

Oil Filter Sockets

Twist with a ratchet wrench to adjust filters and other round objects in tight spots

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

Bit Adapters

Connect a variety of bits to drills, powered screwdrivers, ratchet wrenches, and other turning tools

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Threaded Rod and Stud Driver Bits

Threaded Rod and Stud Driver Bits

Quickly install threaded rods and studs with a cordless drill, instead of by hand

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

Building and Machinery Hardware

Protective Caps

Protective Caps

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

Protective Plugs

Protective Plugs

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

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

Communication

Reference Charts

Reference Charts

Check decimal equivalents, drill sizes, or specifications for socket screws

Containers, Storage, and Furniture

Socket Organizers

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

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