2 1/2"-4 Screws | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Material

18-8 Stainless Steel

Threading

Partially Threaded

Head Diameter

Thread Spacing

Component

Fastener Head Type

Drive Style

Thread Type

Thread Fit

Unified Standard Class 2A

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Head Height

Finish

Specifications Met

Thread Direction

Fastener Strength Grade/Class

Drive Size

Socket Head Profile

Nut Type

Externally Threaded

Hardness

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

How can we improve?

21 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

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

Precision Lead Screws and Nuts

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

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