Shaft Bolts | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

651 Silicon Bronze

Polyurethane Rubber

Stainless Steel

Fastener Head Type

Shoulder Diameter

Shoulder Length

Threading

Partially Threaded

Threaded on One End

Finish

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Phosphate Coated

Titanium Carbon Nitride (TiCN) Coated

Zinc Flake Coated

Drive Style

Drilled Spanner

External 12-Point

External Square

Hex with Pilot Recess

Tamper-Resistant Torx

Thread Length

Socket Head Profile

Head Height

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Head Diameter

Thread Type

Thread Spacing

Thread Pitch

Thread Direction

Tensile Strength

Less than 50,000 psi

50,000 psi to 59,999 psi

60,000 psi to 79,999 psi

80,000 psi to 99,999 psi

100,000 psi or greater

Drive Size

Head Width

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

How can we improve?

17,686 Products

Fastening and Joining

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

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

Rounded Head Screws

Rounded Head Screws

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

Tighten and loosen by hand without the need for tools

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Square Head Screws

Square Head Screws

Turn the large flat sides with a wrench into square holes that stop further rotation

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

Carriage Bolts

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

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Material Handling

Wheel Axles

Connect rotating wheels and support vehicles

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

Building and Machinery Hardware

Door Tracks

Hang panels to slide over openings when there’s not space for a swinging door

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