5/8"-18 Bolts | McMaster-Carr

Filter by

Thread Size

Length

Threading

Partially Threaded

Threaded on Both Ends

Fastener Strength Grade/Class

Fastener Head Type

Material

Oil-Embedded Bronze

Stainless Steel

Finish

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

System of Measurement

Thread Spacing

Head Width

Thread Type

Metric Rounded Trapezoidal

Head Height

Thread Direction

Right Hand and Left Hand

Specifications Met

Drive Style

External 12-Point

Tensile Strength

Less than 10,000 psi

30,000 psi to 99,999 psi

100,000 psi or greater

Screw Features

Thread Pitch

Socket Head Profile

Thread Fit

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Hardness

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Drive Size

RoHS

Compliant with Exemptions

REACH

How can we improve?

467 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

12-Point Screws

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

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

Rounded Head Screws

Rounded Head Screws

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Weld Nuts

Weld to metal surfaces to add permanent threads

Power Transmission

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Lead Screws and Nuts

Lead Screws and Nuts

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

Die Spring Screw Caps

Die Spring Screw Caps

Brace springs and control tension in die sets while simplifying maintenance

Fabricating and Machining

Gear and Bearing Puller Forcing Screws

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

Jacks

Lift, hold, push, and position heavy objects

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