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

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System of Measurement

Thread Size

Length

Material

18-8 Stainless Steel

Fastener Strength Grade/Class

Nut Type

Externally Threaded

Component

Specifications Met

Thread Type

Hex Nut Profile

Height

Thread Direction

Threading

Partially Threaded

Thread Spacing

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Vertical Capacity

40,000 lb. or greater

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Width

Fastener Strength Rating

Finish

Diameter

Head Diameter

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

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27 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

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

Pair with lead screw nuts to move components in a straight line

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Material Handling

Eyebolts

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

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

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