[10 PKG] Heavy Hex Lock Nuts NU Nylon Inserts Steel Zinc 1-3/8-6
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[10 PKG] Heavy Hex Lock Nuts NU Nylon Inserts Steel Zinc 1-3/8-6

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[10 PKG] Heavy Hex Lock Nuts NU Nylon Inserts Steel Zinc 1-3/8-6

Mutual ScrewSKU: 137NSHBB
Price:
$122.62per 10( $12.26 each)
Pieces 10
Measurement type Inch
Thread size 1-3/8-6
Material Steel
Finish Zinc Plated
Head style Hex
Weight 12.0 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 heavy-duty fastening, Heavy Hex Lock Nuts NU Nylon Inserts lock securely under dynamic loads. The nylon insert (NU) creates a locking friction that resists vibration and loosening, delivering dependable performance in challenging environments.

Constructed from steel with a zinc finish, these nuts offer robust corrosion resistance and long-lasting durability for industrial applications. The heavy hex shape provides higher torque capabilities and easier wrench engagement, making them ideal for machinery, equipment, and structural assemblies requiring reliable lock nuts.

  • Locking mechanism: Nylon insert provides compact, positive locking and resists loosening due to vibration.
  • Material & finish: Steel with a zinc coating for strength and corrosion resistance.
  • Size: 1-3/8-6.
  • Design: Heavy hex profile for enhanced torque transfer and tool clearance.

Whether you're replacing worn hardware or assembling new equipment, these NU nylon insert lock nuts deliver secure, maintenance-free performance across a range of industrial applications.

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800-222-0324

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