ASTM Standard Socket Head Screws | McMaster-Carr

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Zinc Flake Coated

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Partially Threaded

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Tamper-Resistant Hex

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Material

Stainless Steel

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Tensile Strength

60,000 psi to 99,999 psi

100,000 psi or greater

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Specifications Met

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Metric Class 4g6g

Metric Class 5g6g

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

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DFARS Specialty Metals

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Compliant with Exemptions

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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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Set Screws

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

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

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