5/8"-11 Square Head Bolts in Hot Dipped Galvanized Steel

5/8"-11 Hot Dip Galvanized Square Head Bolts

Bolt Diameter - Thread Pitch: 5/8"-11


Square Head Bolts are similar to Hex Cap screws but have a 4 sided square head instead of a 6 sided hexagonal head.

  • Square head allows better wrench grip for tightening
  • Larger bearing area for gripping
  • Referred to as both bolts and screws
  • Partially threaded with a shoulder beneath the head
  • Extremely corrosion resistant
  • Used in long lasting and outdoor applications


Additional Sizes and Materials of Square Head Bolts are available, but not yet listed on the site. Please call customer service at 866-573-0445 for a custom quote or to place an order.

Sizes Listed As:
Diameter - Thread Pitch x Length from Underside of Head

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Product Specifications
Across Flats (Width)
15/16", Max 0.938 - Min 0.906
Body Diameter
(5/8) Max 0.642 - Min 0.605
Brand
Albany County Fasteners
Color
Gray
Corrosion Resistant
Yes
Diameter
5/8"
Drive Style
External Square
Finish
Hot Dip Galvanized
Head Height
Max 0.444 - Min 0.400
Head Style
Square
Material
Hot Dip Galvanized Steel
Product Type
Square Head Bolts
Thread Direction
Right
Thread Pitch (Count)
11
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Wrench Size
15/16"
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