Hex Socket Bolts | McMaster-Carr

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Drive Style

Drilled Spanner

Hex with Pilot Recess

Spring Plunger Driver

Tamper-Resistant Hex

Tamper-Resistant Torx

System of Measurement

Thread Size

Length

Material

Beryllium Copper

Stainless Steel

Fastener Head Type

Threading

Partially Threaded

Threaded on Both Ends

Finish

Phosphate Coated

Unit Price

Socket Head Profile

Head Diameter

Thread Pitch

Thread Type

Drive Size

Head Height

Thread Spacing

Thread Direction

Shoulder Length

Specifications Met

Federal Specification

Shoulder Diameter

Fastener Strength Grade/Class

Tensile Strength

Less than 10,000 psi

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

Tip Type

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

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26,631 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

Flat Head Screws

Flat Head Screws

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

Rounded Head Screws

Rounded Head Screws

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

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Fastener Assortments

Fastener Assortments

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

Tighten and loosen by hand without the need for tools

Studs

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

Tapping Screws

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

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Anchors

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

Spring Plungers

Spring Plungers

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

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

L-Keys

Turn fasteners from either end and reach into tight spots

Screwdrivers

Tighten and loosen screws

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

T-Handle Keys

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

Screw Starters

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

Sockets

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

Electrical

Grounding Lugs

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

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

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

Protective Plugs

Protective Plugs

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

Fabricating and Machining

Locating Pin Lock Screws

Locating Pin Lock Screws

Secure removable locating pins

Drill Bushing Lock Screws

Drill Bushing Lock Screws

Prevent drill bushings from spinning

Fixture Clamps

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

T-Slot Nuts

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

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