1 3/8"-6 Fasteners | McMaster-Carr

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System of Measurement

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Material

Nut Type

Fastener Strength Grade/Class

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Hot-Dipped Galvanized

Zinc Flake Coated

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Threading

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Specifications Met

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Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

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Coupling Nut Profile

Performance

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

Yes

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

REACH

Drive Style

48 Products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

1 product

Hex Nuts

Handle most general fastening needs

22 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

2 products

Hex Head Screws

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

4 products

Socket Head Screws

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

5 products

Threaded Rods

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

13 products

Material Handling

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

1 product