Stainless steel nuts for boats
Reliable marine fastening and corrosion resistance
Nuts built for marine conditions
Marine nuts are essential for assembling and securing mechanical parts on your boat. Made from stainless steel, they provide excellent corrosion resistance and long-lasting strength, ensuring reliable fastening even in harsh marine environments.
A complete selection for every need
DAM Marine offers a full range of stainless steel nuts: hex nuts, lock nuts, cap nuts, and flange nuts. Each product ensures compatibility with marine engines and deck hardware, perfect for maintenance or repairs.
DAM Marine quality assurance
With over 50 years of experience in marine mechanical parts, DAM Marine provides professional-grade fixings tested for durability, safety, and resistance in saltwater conditions.
FAQ – Nuts for boats
Which type of nut should I use on a boat engine?
Use A2 or A4 stainless steel nuts for corrosion resistance and reliability.
What's the difference between A2 and A4 stainless?
A4 contains molybdenum, offering superior protection against saltwater corrosion.
Should stainless nuts be lubricated?
Yes, applying a small amount of grease helps prevent galling and makes disassembly easier.
NYLSTOP NUT 5/16-18
MERCRUISER 7/16-20 FLANGE NUT
Ecrou frein inox 7/16 UNF.
3/8-24 ROCKER ARM NUT
3/8-24" Rocker Arm Nut
NUT 5/16-18
1/4-28 NUT
7/16-20 ROCKER ARM NUT
Nut for GM BB engine rocker arm stud.
NYLSTOP NUT 5/16-24
NYLSTOP NUT 1/4 X 28
5/16-24 ROCKER ARM NUT
PCM ZR CATALYST NUT M8X1.25
MERCURY 7/16-20 NYLSTOP NUT
Stainless steel nylon stop nut with shoulder.
1/4-20 NUT
NUT 3/8-24
ECROU DE BIELLE SB -BB 3/8-24
Ecrou de vis de bielle 3/8-24 pour moteur base GM ou Ford.
VOLVO NUT - 968458
Clamping nut for Volvo Penta engine:
AD31B, AD31D, AD31D-A, AD31L-A
AD31P-A, AD31XD, AD41A, AD41B
AD41D, AD41L-A, AD41P-A, AQAD41A
D41A, D41B, D41D, D41L-A
KAD300-A, KAD32P, KAD42A, KAD42P-A
KAD43P-A, KAD44P, KAD44P-B, KAD44P-C
KAMD300-A, KAMD42A, KAMD42P-A, KAMD43P
KAMD43P-A, KAMD43P-B, KAMD44P-A, KAMD44P-B
KAMD44P-C, MD31A, TAMD31B, TAMD31D
TAMD31L, TAMD31L-A, TAMD31M-A, TAMD31P
TAMD31P-A, TAMD31S, TAMD31S-A, TAMD41A
TAMD41B, TAMD41D, TAMD41H-A, TAMD41H-B
TAMD41L-A, TAMD41M-A, TAMD41P, TAMD41P-A
TAMD42WJ-A, TD31ACE, TMD31B, TMD31D
TMD31L-A, TMD41A, TMD41B, TMD41D
TMD41L-A












