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Hex Head Bolts [1/2-20 x 5.500 in. UHL, 9/16 in. Wrench, 8740 Chromoly, Black Oxide]
InfoVehicle Info Needed
ARPPART NUMBER: 070-716-5500

Hex Head Bolts [1/2-20 x 5.500 in. UHL, 9/16 in. Wrench, 8740 Chromoly, Black Oxide]

$4699
ShippingShips on 11/19/2026
Lowest PriceLowest Price Guarantee

Hex Head SAE Bolts
  • 1/2-20 Thread
  • 5.500 in. Underhead Length
  • 1.250 in. Thread Length
  • 8740 Chromoly Steel, Black Oxide Finish
  • Set of 5

    If you are replacing tired or mismatched hardware with something you can trust under load, these 1/2-20 x 5.500 in. hex head bolts are a solid choice. Heat-treated chromoly construction and a black oxide finish deliver high tensile strength with a clean, uniform look.

    ARP 716-5500 Hex Head SAE Bolts Features:

    • Thread Size: 1/2-20
    • Underhead Length: 5.500 in.
    • Thread Length: 1.250 in.
    • Grip Length: 4.250 in.
    • Head Height: 0.450 in.
    • Wrench Size: 9/16 in.
    • Collar Diameter: 0.850 in.
    • Hex head design
    • Heat-treated chromoly steel with black oxide finish
    • Nominally rated at 180,000 psi tensile strength
    • Sold as a set of 5
    • Part TypeBolt Kit
    BrandARP
    Package Height1.0
    Package Width5.75
    Package Length14.5
    Weight1.915 PG
    Part CategoryPerformance Parts
    Thread Length1.250 in
    Head Diameter0.850 in
    Underhead Length5.5 in (139.7 mm)
    Shank Length4.250 in
    Wrench Diameter (In.)9/16
    QuantitySet of 5
    Fastener FinishBlack oxide
    Material8740 Chromoly Steel
    Thread Size1/2-20
    Fastener Material8740 chromoly
    Fastener Head StyleHex
    Head Tool Size9/16 in
    Washers IncludedYes
    Thread Size (In.)1/2-20
    Head Height0.450 in
    Fastener Yield Strength (Psi)170,000
    Part FitmentUniversal
    Head StyleHex
    FinishBlack Oxide
    Under Head Length5.500 in
    Vendor Part Number716-5500
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning