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

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System of Measurement

Thread Size

Material

Length

Fastener Strength Grade/Class

Finish

Hot-Dipped Galvanized

Zinc Flake Coated

Zinc Plated

Zinc Yellow-Chromate Plated

Threading

Nut Type

Thread Type

Thread Spacing

Width

Hex Nut Profile

Specifications Met

Fastener Head Type

Thread Direction

Height

Performance

Thread Fit

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Fastener Strength Rating

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

Yes

DFARS Specialty Metals

Drive Style

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

REACH

Drive Size

48 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

22 products

Coupling Nuts

Connect and extend threaded rods

1 product

Locknuts

Hold fasteners in place to prevent loosening from vibration

2 products

Socket Head Screws

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

5 products

Hex Head Screws

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

4 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