1 1/4"-12 Fasteners | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Stainless Steel

Fastener Strength Grade/Class

Threading

Partially Threaded

Thread Direction

Finish

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Thread Type

UN/UNF (SAE 45°)

Thread Spacing

Nut Type

Hex Nut Profile

Fastener Head Type

Width

Height

Thread Fit

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Specifications Met

DFARS Specialty Metals

Fastener Strength Rating

Export Control Classification Number (ECCN)

Threaded Insert Type

RoHS

Compliant with Exemptions

REACH

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

For Tap Thread Size

Drive Style

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165 Products

Fastening and Joining

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Hex Nuts

Handle most general fastening needs

Coupling Nuts

Connect and extend threaded rods

Locknuts

Hold fasteners in place to prevent loosening from vibration

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

Threaded Rods

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Weld Nuts

Weld to metal surfaces to add permanent threads

Power Transmission

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Hydraulic Cylinder Mounts

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

Fluid Handling

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

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.)