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Fastener Corporation

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Underhead Configurations

1A / Slot Combo

6 Nibs Serrations

Annular Ring

Annular Ring with Serrations

Captive Groove

Chevron Serrations

Full Body

Full Serrations Left

Full Serrations Right

Partial Serrations

Reduced Body

Reduced Body with Shoulder

Ribbed Neck

Shoulder

Spinlock Serrations

Square Neck

Ribbed Neck

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