2-56 Bolts | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Material

Fastener Head Type

Drive Style

Threading

Head Diameter

Finish

Head Height

Socket Head Profile

Specifications Met

Rounded Head Style

Thread Type

Countersink Angle

Drive Size

Thread Spacing

Screw Size

Thread Direction

Tensile Strength

DFARS Compliance

REACH Compliance

RoHS Compliance

How can we improve?

1,242 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

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded 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

Studs

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Threaded Rods

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

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Fabricating and Machining

Clamps

Hold workpieces securely in place

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