Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 1-1/8-12 x 4-1/2
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Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 1-1/8-12 x 4-1/2

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[20 PKG] Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 1-1/8-12 x 4-1/2

Mutual ScrewSKU: 11372CH5PBB
Price:
$110.76per 20( $5.54 each)
Pieces 20
Measurement type Inch
Thread size 1-1/8-12
Diameter 1 1/8
Length 4-1/2
Material Steel
Grade Grade 5
Finish Plain
Head style Hex
Threads per inch 12
Thread style Partially Threaded
Weight 33.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Engineered for strength in demanding assemblies, these Hex Head Cap Screws are crafted from Grade 5 steel with a plain finish and fine thread, sized 1-1/8-12 x 4-1/2 in. This combination delivers reliable performance where precision and durability matter.

The hex head design provides a secure drive and high torque tolerance, making them ideal for applications that require a robust fastener with a clean, flush appearance once installed.

Specifications

  • Size: 1-1/8-12 x 4-1/2 in
  • Thread: Fine thread (12 TPI)
  • Material: Grade 5 steel
  • Finish: Plain
  • Head style: Hex head

Applications & Benefits

  • Strong, durable fasteners suitable for machinery, automotive assemblies, and general equipment construction
  • Plain finish provides versatility across a wide range of materials and environments
  • Fine thread offers precise engagement and improved clamping in thinner materials
  • Commonly used in bolted joints where high shear and tensile strength are required

Installation Tips

Use the correct sized wrench or socket for a secure fit and apply appropriate lubrication to reduce friction during tightening. Note that plain steel is not corrosion-resistant, so consider a protective coating or finishing option for outdoor or moisture-prone applications.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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