5-40 Bolts | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Fastener Head Type

Drive Style

Material

Stainless Steel

Head Diameter

Threading

Partially Threaded

Head Height

Finish

Socket Head Profile

Drive Size

Thread Type

Screw Size

Thread Spacing

Rounded Head Style

Thread Direction

Flat Head Profile

Specifications Met

Countersink Angle

Thread Fit

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 3A

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

How can we improve?

373 Products

Fastening and Joining

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Shoulder Screws

Shoulder Screws

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

Set Screws

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

Tapping Screws

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

Threaded Rods

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

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

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