- SOLD BY THE PIECE.
- 5/16"-18 Heavy Hex Nut.
- Extra Thick Hex Finish Nuts
- Flats 9/16" Height 19/64"
- Made From 18-8 / 304 Stainless Steel.
- Contact Our Sales Department For Bulk Pricing.
- Heavy Hex Finish Nuts are Stronger and Thicker than Regular Finish Hex Nuts.
- A Heavy Hex Nut is Used on a Propeller Shaft and are Paired with a Heavy Hex Jam Nut. This Combination is Used to Secure the Propeller on The Shaft. This Hex and Jam Combination is the Staple of the Marine Propulsion Industry.
- Heavy Thick Nuts are Also Used on Hex Bolts and Carriage Bolts Where a Heavier Finish Hex Nut is needed for Strength.