ISO Class 8.8 Hex Head Screws | McMaster-Carr

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ASTM Grade A325

ASTM Grade A490

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Partially Threaded

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Corrosion-Resistant Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Material

Head Width

Specifications Met

ASME B18.2.3.1M

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Hex with Pilot Recess

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Metric Class 6g

Metric Class 6h

Unified Standard Class 2A

Socket Head Profile

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100,000 psi or greater

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DFARS Specialty Metals

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REACH

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1,332 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Socket Head Screws

Socket Head Screws

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

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

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