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

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System of Measurement

Thread Size

Length

Threading

Fastener Strength Grade/Class

Fastener Head Type

Material

Thread Spacing

Finish

Zinc Yellow-Chromate Plated

Thread Type

UNF

UNRF

Head Width

1 7/8"

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Drive Style

Thread Direction

Specifications Met

Thread Fit

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Head Height

Head Diameter

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Fastener Strength Rating

RoHS

REACH

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Sold As

Hardness

86 Products

Fastening and Joining

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

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Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

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Flat Head Screws

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

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Threaded Rods

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

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Weld Nuts

Weld to metal surfaces to add permanent threads

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Material Handling

Wheel Axles

Connect rotating wheels and support vehicles

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Eyebolts

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

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Power Transmission

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

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Die Spring Screw Caps

Brace springs and control tension in die sets while simplifying maintenance

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Fabricating and Machining

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

1 product