Hex Bolts | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Ceramic Alumina

Stainless Steel

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Fastener Head Type

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Galvanic Barrier Coated

Hot-Dipped Galvanized

Phosphate Coated

Titanium Carbon Nitride (TiCN) Coated

Ultra-Corrosion-Resistant Coated

Head Width

Thread Spacing

Drive Style

Hex with Pilot Recess

Tamper-Resistant Hex

Head Height

Thread Type

Thread Direction

Thread Pitch

Specifications Met

Federal Specification

Screw Features

Tension Indicating

Thread Fit

Metric Class 4g6g

Metric Class 5g6g

Metric Class 6g

Metric Class 6h

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Grip Length

Tensile Strength

Less than 20,000 psi

20,000 psi to 39,999 psi

40,000 psi to 59,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

Socket Head Profile

Screw Size

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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37,082 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

10,148 products

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

Tapping Screws

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

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

Wood Screws

Fasten material to wood or pieces of wood to each other

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

Binding Barrels

Binding Barrels

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

Anchors

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

Power Transmission

Lead Screws

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

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

Clamps

Hold workpieces securely in place

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

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.)