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

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Partially Threaded

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Material

4130 Alloy Steel

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Finish

Zinc Yellow-Chromate Plated

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Specifications Met

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Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

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Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

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DFARS Specialty Metals

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73 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

Threaded Rods

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Material Handling

Wheel Axles

Connect rotating wheels and support vehicles

Eyebolts

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

Fabricating and Machining

Gear and Bearing Puller Forcing Screws

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

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