3/8"-16 Zinc Plated Hex Serrated Flange Bolts

3/8"-16 Zinc Plated Hex Serrated Flange Bolts

Diameter - Thread Pitch: 3/8" - 16 | Grade 5

3/8"-16 Zinc Plated Hex Serrated Flange Bolts:

  • 3/8"-16
  • Hex head bolt with serrated flange designed to be driven by a wrench or socket
  • Built in integral washer to distribute pressure over a greater surface area and prevent pull-through
  • Serrated flange acts as a lock washer to help keep a fastener from vibrating loose
  • Grade 5 Zinc Plated Steel flange bolts have a layer of corrosion resistance
  • Grade 5 zinc plated steel flange bolts are distinguished by three hash marks on top of the bolt's head

Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded

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Product Specifications
Across Flats (Width)
9/16", Max 0.5625 - Min 0.5600
Body Diameter
3/8", Max 0.375 - Min 0.369
Drive Style
Flange Diameter
Max 0.796 - Min 0.786
Head Height
Max 0.395 - Min 0.389
Head Style
Hex with Flange
Zinc Plated Steel
Product Type
Hex Serrated Flange Bolts
Thread Pitch (Count)
16 Per Inch (Coarse)
Thread Standard
Width Across Corners
Max 0.632 - Min 0.625
Wrench Size
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