Heavy Hex Nuts 316 Stainless Steel

316 Stainless Steel Heavy Hex Nuts

Marine Grade Extra Thick Hex Finish Nuts


  • Comparable to hex nuts but thicker
  • Known as a Heavy Nut, Heavy Hex Finish Nut, Heavy Hex Nut, or Extra Thick Finish Nut
  • Durable and corrosion resistant marine grade 316 Stainless Steel
  • 316 Stainless Steel offers superior corrosion resistance
  • Perfect for Salt Water and Marine Applications
  • UNC Coarse thread sizes
  • Often used when a heavier, stronger and thicker nut is required
  • Provides a thicker finished look

Nut Sizes Flats Height
1/4"-20 1/2" 15/64"
5/16"-18 9/16" 19/64"
3/8"-16 11/16" 23/64"
1/2"-13 7/8" 31/64"
5/8"-11 1-1/16" 39/64"
3/4"-10 1-1/4" 47/64"
7/8"-9 1-7/16" 55/64"
1"-8 1-5/8" 63/64"
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Product Specifications
Color
Silver
Corrosion Resistant
Yes
Drive Style
External Hex
Grade
316
Marine Grade
Yes
Material
Stainless Steel
Product Type
Heavy Hex Nut
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances