Step Bolts | McMaster-Carr

Filter by

System of Measurement

Thread Size

Shoulder Diameter

Shoulder Length

Material

Grade 2 Titanium

Stainless Steel

Thread Length

Fastener Head Type

Socket Head Profile

Head Diameter

Length

Drive Style

Head Height

Finish

Hot-Dipped Galvanized

Titanium Carbon Nitride (TiCN) Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Head Texture

Shoulder Fit

Thread Type

Thread Direction

Drive Size

Tensile Strength

Less than 60,000 psi

60,000 psi to 79,999 psi

80,000 psi to 99,999 psi

100,000 psi to 119,999 psi

120,000 psi or greater

Thread Spacing

Threading

Partially Threaded

Threaded on Both Ends

Thread Fit

Metric Class 4g6g

Metric Class 5g6g

Metric Class 6g

Metric Class 6h

Metric Class 8g

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

How can we improve?

8,048 Products

Shoulder Screws

Standard Shoulder Fit

Steel Hex-Drive Shoulder Screws

Steel Hex-Drive Shoulder Screws

Our strongest standard-fit shoulder screws

Stainless Steel Hex-Drive Shoulder Screws

Stainless Steel Hex-Drive Shoulder Screws

Hold up against moisture and chemicals better than steel counterparts

Steel Hex Head Shoulder Screws

Steel Hex Head Shoulder Screws

Create the tightest hold by generating more torque than you could with a socket head

Same-Size Thread Steel Hex-Drive Shoulder Screws

Same-Size Thread Steel Hex-Drive Shoulder Screws

Harness superior holding power with screws that also won't break

Same-Size Thread Stainless Steel Hex-Drive Shoulder Screws

Same-Size Thread Stainless Steel Hex-Drive Shoulder Screws

Harness superior holding power with screws that also won't rust

Steel Ultra-Low-Profile Hex-Drive Shoulder Screws

The lowest-profile steel shoulder screws we offer

Made-to-Order Stainless Steel Hex-Drive Shoulder Screws

Made-to-Order Stainless Steel Hex-Drive Shoulder Screws

Specify the exact shoulder length you need in screws that won't rust

Internally-Threaded Stainless Steel Hex-Drive Shoulders for Bolts

Internally-Threaded Stainless Steel Hex-Drive Shoulders for Bolts

Fasten to an untapped hole or create a custom thread length

Steel Low-Profile Hex-Drive Shoulder Screws

Fit into shallow holes and in low-clearance areas around moving parts

Stainless Steel Hex Head Shoulder Screws

Stainless Steel Hex Head Shoulder Screws

Create the tightest hold with screws that also won't rust

Stainless Steel Flat Head Hex-Drive Shoulder Screws

Stainless Steel Flat Head Hex-Drive Shoulder Screws

Create a smooth surface with screws that sit flush or just below it

Dual Hex-Drive Stainless Steel Shoulder Screws

Dual Hex-Drive Stainless Steel Shoulder Screws

Install or remove from either end in recessed spaces or blind holes

Thread-Locking Steel Hex-Drive Shoulder Screws

Thread-Locking Steel Hex-Drive Shoulder Screws

Immune to vibration and also fit for high-strength fastening

Aluminum Hex-Drive Shoulder Screws

Aluminum Hex-Drive Shoulder Screws

One-third the weight of steel for applications with weight limitations

Thread-Locking Stainless Steel Hex-Drive Shoulder Screws

Thread-Locking Stainless Steel Hex-Drive Shoulder Screws

Immune to mild vibration and also won't rust

Made-to-Order Same-Size Thread Stainless Steel Hex-Drive Shoulder Screws

Made-to-Order Same-Size Thread Stainless Steel Hex-Drive Shoulder Screws

Harness superior holding power with custom-shoulder-length screws that also won't rust

Plastic Hex-Drive Shoulder Screws

Plastic Hex-Drive Shoulder Screws

Lightweight screws that are naturally rust resistant

Left-Hand-Thread Stainless Steel Hex-Drive Shoulder Screws

Left-Hand-Thread Stainless Steel Hex-Drive Shoulder Screws

Tighten to the left to prevent loosening from counterclockwise motion

Nickel Hex-Drive Shoulder Screws

Nickel Hex-Drive Shoulder Screws

The most corrosion-resistant standard-fit screws we offer

Titanium Hex-Drive Shoulder Screws

Titanium Hex-Drive Shoulder Screws

Lightweight like aluminum and corrosion resistant like 316 stainless steel

Stainless Steel Hex-Drive Shoulder Screw Assortments

Stainless Steel Hex-Drive Shoulder Screw Assortments

Keep different sizes of shoulder screws that won't rust on hand

Steel Hex-Drive Shoulder Screw Assortments

Steel Hex-Drive Shoulder Screw Assortments

Keep different sizes of our strongest shoulder screws on hand

Precise Shoulder Fit

Stainless Steel Hex-Drive Precision Shoulder Screws

Stainless Steel Hex-Drive Precision Shoulder Screws

Our go-to choice for assemblies that require smooth, accurate movement

Steel Headless Slotted Precision Shoulder Screws

Steel Headless Slotted Precision Shoulder Screws

Flush mount in countersunk holes or use as pins for aligning parts

Stainless Steel Ultra-Low-Profile Hex-Drive Precision Shoulder Screws

Fit into the tightest spaces in corrosive environments

Steel Low-Profile Slotted Precision Shoulder Screws

Fit into shallow holes and low-clearance spaces when both precision and strength are important

Stainless Steel Slotted Precision Shoulder Screws

Stainless Steel Slotted Precision Shoulder Screws

Use these slotted screws in assemblies that require smooth, accurate movement

Brass Hex-Drive Precision Shoulder Screws

Brass Hex-Drive Precision Shoulder Screws

Nonsparking, nonmagnetic, and won't rust

Stainless Steel Low-Profile Hex-Drive Precision Shoulder Screws

Fit into tight spaces in corrosive environments

Stainless Steel Thumb Head Hex-Drive Precision Shoulder Screws

Stainless Steel Thumb Head Hex-Drive Precision Shoulder Screws

Turn by hand for convenience in maintenance-heavy environments

Stainless Steel Low-Profile Slotted Precision Shoulder Screws

Fit slotted screws into tight spaces in corrosive environments

Steel Hex-Drive Precision Shoulder Screws

Steel Hex-Drive Precision Shoulder Screws

Facilitate smooth and accurate movement with our strongest precision screws

Thread-Locking Stainless Steel Hex-Drive Precision Shoulder Screws

Thread-Locking Stainless Steel Hex-Drive Precision Shoulder Screws

Immune to mild vibration and also won't rust

Thread-Locking Stainless Steel Slotted Precision Shoulder Screws

Thread-Locking Stainless Steel Slotted Precision Shoulder Screws

These slotted screws are immune to mild vibration and won't rust

Stainless Steel Ultra-Low-Profile Slotted Precision Shoulder Screws

Fit slotted screws into the tightest spaces in corrosive environments

Other Products

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

Elevator Bolts

Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems

Studs

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

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