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Rudder / Trim Tab Magnesium Anode
Specifications

All rudder / trim tab anodes have stainless steel allen screws. Stainless steel nuts are pressed in.

Rudder / Trim Tab Magnesium Anodes

Mil-Spec A-21412 (SH) Magnesium Alloy

Corrosion of dinghy lift from using zinc anodes in freshwater

Corrosion of dinghy lift from using zinc anodes in freshwater.

Click to enlarge

 

MODEL

DIAMETER

THICKNESS OF
ONE-HALF

WEIGHT

BOLT SIZE

HEX
WRENCH

OUR
PRICE

ADD TO
CART

R-1M
1-7/8"
1/4"
0.10 lbs
#10 x 1"
5/32"
$5.35 R-1M Rudder Magnesium Anode - 1-7/8" Dia. (R1M)
R-2M
2-13/16"
1/2"
0.28 lbs 
1/4" x 1-1/4"
3/16"
$14.19 R-2M Rudder Magnesium Anode - 2-13/16" Dia. (R2M)
R-3M
3-3/4"
1/2"
0.45 lbs 
5/16" x 1-1/2"
1/4"
$17.43 R-3M Rudder Magnesium Anode - 3-3/4" Dia. (R3M)
R-4M
5"
5/8"
0.90 lbs
5/16" x 1-3/4"
1/4"
$32.48 R-4M Rudder Magnesium Anode - 5" Dia. (R4M)
R-5M
5"
7/8"
1.25 lbs
5/16" x 2-1/4"
1/4"
$42.50 R-5M Rudder Magnesium Anode - 5" Dia. Heavy (R5M)
Part Number Variations: R-1M, R-2M, R-3M, R-4M, R-5M, R1M, R2M, R3M, R4M, R5M, R-1MG, R-2MG, R-3MG, R-4MG, R-5MG, R1MG, R2MG, R3MG, R4MG, R5MG, R-1MG, R-2MG, R-3MG, R-4MG, R-5MG, R1MG, R2MG, R3MG, R4MG, R5MG, R1M, R2M, R3M, R4M, R5M, CMR01M, CMR02M, CMR03M, CMR04M, CMR05M, TEC-R1MG, TEC-R2MG, TEC-R3MG, TEC-R4MG, TEC-R5MG