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Polycarbonate U-Bolt 3" Pipe | 2.22" W x 7.78" L | Fastenal

Expert Overview

Engineered for superior performance, this 3" Polycarbonate U-Bolt offers exceptional corrosion resistance and dielectric strength. Ideal for aggressive chemical environments and applications requiring electrical isolation.

StandardDIN 933
MaterialPolycarbonate
FinishAnodized
GradeN/A
Inside Width ( A)2.22"
Inside Length ( B)7.78"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this 3" Polycarbonate U-Bolt features an Inside Width (A) of 2.22 inches and an Inside Length (B) of 7.78 inches, accommodating standard 3-inch nominal pipe sizes. It is manufactured from high-impact, UV-stabilized polycarbonate, offering excellent chemical resistance to a broad spectrum of acids, bases, and solvents, and a dielectric strength that prevents electrical conductivity. The 1/2"-13 UNC thread size ensures compatibility with standard hardware. This material's non-magnetic properties make it suitable for sensitive instrumentation and marine applications where ferrous corrosion is a concern.

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Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

3MEst. 1902
USA🇺🇸
"Science applied to life."
Market Rank
🏆 Global Innovation Leader
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🚀 Aviation & Medical Approved
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🛡️ Premium Performance Guarantee
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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
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🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ Lifetime Return Policy
Green Manufacturing
🌱 Sustainable Logistics
Certified:ISO 9001 Compliant

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Position the U-bolt around the 3" pipe, ensuring a snug fit. 2. Insert the threaded legs of the U-bolt through the mounting surface or clamp. 3. Securely fasten using appropriate washers and nuts, tightening evenly on both sides to the specified torque. 4. Verify that the pipe is properly supported and the U-bolt is not over-tightened, which could deform the polycarbonate.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the nuts, leading to deformation or cracking of the polycarbonate.Use a torque wrench to tighten nuts to the manufacturer's recommended specification for polycarbonate fasteners, typically lower than for metal.
Using the U-bolt in applications exceeding its chemical resistance or temperature limits.Consult the polycarbonate material's chemical compatibility charts and temperature ratings to ensure suitability for the specific operating environment.

Common Applications

  • Chemical processing plants
  • Wastewater treatment facilities
  • Marine and offshore installations
  • Electrical conduit and cable support
  • Food and beverage processing

⚠️ Engineering Warnings

  • Do not exceed the recommended maximum operating temperature of 250°F (121°C).
  • Avoid prolonged exposure to strong oxidizing agents or certain aromatic hydrocarbons, which may degrade polycarbonate.
  • Ensure proper ground clearance if used in electrical applications to maintain dielectric integrity.

Alternative Products to Consider

Premium U-Bolts equivalentHigher corrosion resistance (316 SS)
Economy U-Bolts optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Polycarbonate U-Bolt, 3" Pipe made from?

A: This Polycarbonate U-Bolt, 3" Pipe is manufactured from Polycarbonate.

Q: What are the main applications?

A: Chemical processing plants, Wastewater treatment facilities, Marine and offshore installations, Electrical conduit and cable support, Food and beverage processing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.22"B7.78"C1-1/4"Thread: 1/2"-13 | Both Legs2 Hex Nuts Included

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.