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18-8 / 304 Stainless Steel Heavy Hex Finish Nuts

  • 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.


Item # Image Description Price
NHHS1/4-20BAG25
1/4-20 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
1/4-20 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY BAG OF 25.
  • Extra Thick Hex Finish Nuts
  • Flats 1/2" Height 15/64"
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$7.50

NHHS5/16-18BAG25
5/16-18 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
5/16-18 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY BAG OF 25.
  • 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.
Special Pricing Available
$8.00

NHHS3/8-16BAG10
3/8-16 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
3/8-16 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY BAG OF 10.
  • Extra Thick Hex Finish Nuts
  • Flats 11/16" Height 23/64"
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$5.25

NHHS1/2-13
1/2-13 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
1/2-13 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 7/8" Height 31/64"
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$1.25

NHHS5/8-11
5/8-11 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
5/8-11 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 1-1/16" Height 39/64"
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$1.15

NHHS3/4-10
3/4-10 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
3/4-10 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 1-1/4" Height 47/64"
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$1.75

NHHS7/8-9
7/8-9 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
7/8-9 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 1-7/16" Height 55/64"
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$2.95

NHHS1-8
1-8 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
1-8 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 1-5/8" Height 63/64"
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$4.75

NHHS1 1/8-7
1-1/8
1-1/8"-7 Heavy Hex Nuts ASTM A194 Grade 8 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 1-13/16" Height 1-7/64"
  • ASTM A194 Grade 8 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
$8.75

NHHS1 1/4-7
1-1/4
1-1/4"-7 Heavy Hex Nuts ASTM A194 Grade 8 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 2" Height 1-7/64"
  • ASTM A194 Grade 8 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$10.75

NHHS1 1/2-6
1-1/2
1-1/2"-6 Heavy Hex Nuts ASTM A194 Grade 8 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 2-3/8" Height 1-15/16"
  • ASTM A194 Grade 8 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$17.75

NHHS1 3/4-5
1-3/4
1-3/4"-5 Heavy Hex Nuts ASTM A194 Grade 8 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 2-3/4" Height 1-23/32"
  • ASTM A194 Grade 8 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
$35.00