Home Fasteners Bolts Flange Bolts Hex Flange Bolt Grade 8 1/2-20 x 4-1/2"
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Hex Flange Bolt, Grade 8, Alloy Steel, Zinc Finish, Fine Thread, 3/4" Across Flats, 1/2-20 x 4-1/2"
(Pack of 10)

Item#: 51969

Lawson Products

• Available in coarse and fine thread
• Dimensions conform to IFI-111
• 150,000 PSI minimum tensile strength
• Maximum service temperature: 650°F (343°C)
• Specially designed for truck frame bolting
• For use on Freightliner, Mack, Western, White, Autocar, Peterbilt, IHC and other types of heavy equipment

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Catalog page#: 3-58

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Product Description

• Available in coarse and fine thread
• Dimensions conform to IFI-111
• 150,000 PSI minimum tensile strength
• Maximum service temperature: 650°F (343°C)
• Specially designed for truck frame bolting
• For use on Freightliner, Mack, Western, White, Autocar, Peterbilt, IHC and other types of heavy equipment

Technical Specifications

Item#: 51969
Type Hex Flange Bolt
Diameter 1/2 "
Thread Pitch 20
Thread Fine
Length 4-1/2 "
Finish Bright Zinc
Material Alloy Steel
Grade 8
Head Style Hex Flange
Size 1/2-20X4-1/2 "
Across Flats 3/4 "
Specifications IFI-111
Tensile Strength 150,000 PSI
Maximum Temperature 650 °F
UNSPSC #: 31161620
TAA Compliant: Yes
Weight: 3.26 lb

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