Zinc-Flake Coated Screws | McMaster-Carr

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Finish

Zinc Flake Coated

System of Measurement

Length

2 3/16" to 5 11/16"

2 3/8" to 4 7/16"

Thread Size

Threading

Partially Threaded

Fastener Head Type

Material

Fastener Strength Grade/Class

ASTM Grade A325

Socket Head Profile

Thread Pitch

Drive Style

Thread Direction

Specifications Met

Thread Type

Head Height

Thread Spacing

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Head Diameter

Head Width

Thread Fit

Metric Class 5g6g

Metric Class 6g

Metric Class 6h

Unified Standard Class 2A

Unified Standard Class 3A

Drive Size

Hardness

DFARS Specialty Metals

RoHS

REACH

Export Control Classification Number (ECCN)

How can we improve?

595 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

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

Hex Head Screws

Hex Head Screws

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

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

L-Keys

Turn fasteners from either end and reach into tight spots

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)