Precision Bolts | McMaster-Carr

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System of Measurement

Shoulder Diameter

Shoulder Length

Thread Size

Material

Grade 2 Titanium

Stainless Steel

Thread Length

Fastener Head Type

Socket Head Profile

Drive Style

Head Diameter

Head Height

Head Texture

Shoulder Fit

Thread Direction

Right Hand and Left Hand

Finish

Titanium Carbon Nitride (TiCN) Coated

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

Length

Drive Size

Tensile Strength

Less than 50,000 psi

50,000 psi to 59,999 psi

60,000 psi to 69,999 psi

70,000 psi to 99,999 psi

100,000 psi or greater

Thread Spacing

Thread Pitch

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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7,614 Products

Shoulder Screws

Standard Shoulder Fit

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

Stainless Steel Hex-Drive Shoulder Screws

Stainless Steel Hex-Drive Shoulder Screws

Hold up against moisture and chemicals better than steel counterparts

Steel Hex-Drive Shoulder Screws

Steel Hex-Drive Shoulder Screws

Our strongest standard-fit shoulder screws

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

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

Titanium Hex-Drive Shoulder Screws

Titanium Hex-Drive Shoulder Screws

Lightweight like aluminum and corrosion resistant like 316 stainless steel

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

Thread-Locking Steel Hex-Drive Shoulder Screws

Thread-Locking Steel Hex-Drive Shoulder Screws

Immune to vibration and also fit for high-strength fastening

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

Steel Ultra-Low-Profile Hex-Drive Shoulder Screws

The lowest-profile steel shoulder screws we offer

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

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 Stainless Steel Hex-Drive Shoulder Screws

Thread-Locking Stainless Steel Hex-Drive Shoulder Screws

Immune to mild vibration and also won't rust

Plastic Hex-Drive Shoulder Screws

Plastic Hex-Drive Shoulder Screws

Lightweight screws that are naturally rust resistant

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

Steel Low-Profile Hex-Drive Shoulder Screws

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

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

Stainless Steel Hex Head Shoulder Screws

Stainless Steel Hex Head Shoulder Screws

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

Aluminum Hex-Drive Shoulder Screws

Aluminum Hex-Drive Shoulder Screws

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

Nickel Hex-Drive Shoulder Screws

Nickel Hex-Drive Shoulder Screws

The most corrosion-resistant standard-fit screws we offer

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 Hex-Drive Precision Shoulder Screws

Steel Hex-Drive Precision Shoulder Screws

Facilitate smooth and accurate movement with our strongest precision screws

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 Slotted Precision Shoulder Screws

Stainless Steel Slotted Precision Shoulder Screws

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

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

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

Fit into the tightest spaces in corrosive environments

Stainless Steel Ultra-Low-Profile Slotted Precision Shoulder Screws

Fit slotted screws into the tightest spaces in corrosive environments

Stainless Steel Low-Profile Hex-Drive Precision Shoulder Screws

Fit into tight spaces in corrosive environments

Stainless Steel Low-Profile Slotted Precision Shoulder Screws

Fit slotted screws into tight 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

Brass Hex-Drive Precision Shoulder Screws

Brass Hex-Drive Precision Shoulder Screws

Nonsparking, nonmagnetic, and won't rust

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

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

Other 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

Precision Lead Screws

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Tighten and loosen by hand without the need for tools

Roller Screws and Nuts

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

Rod Ends

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

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

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