Home Fasteners Bolts Flange Bolts Hex Flange Locking Screw Grade 5 5/16-18 x 1/2"
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Hex Flange Locking Screw, Grade 5, Steel, Zinc Finish, Coarse Thread, 1/2" Across Flats, 5/16-18 x 1/2"
(Pack of 100)

Item#: 54823

Lawson Products

• Case-hardened
• Serrations under head provide locking effect
• Zinc-plated
• 120,000 PSI tensile strength
• Popular for automotive applications
Minimum Threaded Length –
Up to 6" Long: (2 x Diameter) + 1/4"
Over 6" Long: (2 x Diameter) + 1/2"

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Check Availability

Catalog page#: 3-64

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Product Description

• Case-hardened
• Serrations under head provide locking effect
• Zinc-plated
• 120,000 PSI tensile strength
• Popular for automotive applications
Minimum Threaded Length –
Up to 6" Long: (2 x Diameter) + 1/4"
Over 6" Long: (2 x Diameter) + 1/2"

Technical Specifications

Item#: 54823
Type Hex Flange Bolt
Diameter 5/16 "
Thread Pitch 18
Thread Coarse
Length 1/2 "
Finish Bright Zinc
Material Carbon Steel
Grade 5
Head Style Serrated Hex Flange
Size 5/16X1/2 "
Across Flats 1/2 "
Tensile Strength 120,000 PSI
UNSPSC #: 31161620
TAA Compliant: No
Weight: 2.73 lb

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