Hex Head Bolts | McMaster-Carr

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System of Measurement

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Material

Aluminum Oxide Ceramic

Stainless Steel

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Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Galvanic Barrier Coated

Hot-Dipped Galvanized

Phosphate Coated

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Drive Style

Hex with Pilot Recess

Tamper-Resistant Hex

Head Width

Thread Spacing

Head Height

Thread Pitch

Thread Type

Thread Direction

Specifications Met

Federal Specification

Socket Head Profile

Screw Features

Tension Indicating

Grip Length

Head Diameter

Tensile Strength

Less than 100,000 psi

100,000 psi to 109,999 psi

110,000 psi to 119,999 psi

120,000 psi to 129,999 psi

130,000 psi or greater

Screw Size

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

How can we improve?

36,436 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

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

Tapping Screws

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

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Tighten and loosen by hand without the need for tools

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Anchors

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

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

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

Slip-On Framing and Fittings

Slip-On Framing and Fittings

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

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

Clamps

Hold workpieces securely in place

T-Tracks

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

Electrical

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

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