Spars, Rigging, and Hardware for Sailboats

Rig-Rite, Inc.
Phone: (001) 401-739-1140 -- FAX: (001) 401-739-1149
www.RigRite.com         Ordering/Questions

Spreaders


Spreaders
Spreaders are used on most Rigs to improve Mast support by increasing Upper (and Intermediate) Shroud angles. Spreaders are specific to particular Spreader Bases (or Spreader Bars), which, in turn are specific to individual Mast Sections. A variety of extruded Aluminum Spreader shapes are listed below.

For Spreader replacement applications, it is necessary to determine the Outside diameter (for Round Spreaders), or the specific Spreader Section (for Airfoil Spreaders).

Round Spreader Sections

Airfoil Spreader Sections

Wood Spreaders & Hardware

Rig-Rite stocks a large selection of replacement Spreaders, most are listed below. If you require Spreaders not listed here, please forward details on your Spreader, including a tracing of your Spreader Section with maximum Outside dimensions, wall thickness, and boat model and year.
Some Spreader Bases are commonly used with Compression Tubes fitting over one or more mounting bolts, See Compression Tubes.
 


Common Round Spreader Sections
All Round Spreader sections are extruded of 6063-T6 Aluminum Alloy, unless otherwise noted.
Click on individual Spreader Sections, below, for additional specifications, and to see hardware commonly used with those Sections.
 
Size - OD OD x ID Wall Thickness Weight
round_tube 1/2"      K 1/2" x 3/8" (.384")   .058"   0.098 lbs./ft.
5/8"      K 5/8" x 1/2" (.509")   .058"   0.125 lbs./ft.
3/4"      S 3/4" x 5/8" (.634")   .058"   0.148 lbs./ft.
7/8"      K 7/8" x 3/4" (.759")   .058"   0.175 lbs./ft.
1"         SCol 1" x 7/8" (.870")   .065"   0.225 lbs./ft.
1  1/16" R 1 1/16" x 7/8"   ."   0. lbs./ft.
1  1/8"    K 1 1/8" x 7/8"   .125"   0.472 lbs./ft.
1  1/4"    SCC 1 1/4" x 1"   .125"   0.519 lbs./ft.
1  5/16"  RSP 1 5/16" x 1 3/16"   .133"   0.581 lbs./ft.
1  1/2"    Col 1 1/2" x 1"   .250"   1.160 lbs./ft.
1  1/2"    MMPB 1 1/2" x 1 1/8"   .188"   0.911 lbs./ft.
1  1/2"   Col 1 1/2" x 1 1/4"   .125"   0.640 lbs./ft.
1  1/2"   MM 1 1/2" x 1 3/8"   .065"   0.345 lbs./ft.
1  11/16"  K 1 11/16" x 1 1/2"   .109"   0.625 lbs./ft.

Airfoil Spreader Sections
Extruded Aluminum Airfoil Spreader Sections are produced by different Manufacturers and are usually quite specific to the bases or inboard attachments provided by those Manufacturers.

For Airfoil Spreader replacement applications (and parts), it is necessary to determine the specific Spreader Section you have. If you know the Manufacturer of your Spars this process can be simplified. If not, look through the Manufacturers listed below to see if you can find your Spreader Section.

Kenyon Airfoil Spreaders are listed by individual sizes, See Kenyon Spreader Sections.

MetalMast Marine Airfoil Spreaders are listed by individual sizes, See MetalMast Spreaders.

Rig-Rite Airfoil Spreaders are listed by individual sizes, See Rig-Rite Spreaders.

Spartan Spar Airfoil Spreaders are listed by individual sizes, and were commonly used on a variety of yachts built by Cape Dory, C&C, Pearson, Tartan and others. See Spartan Spreader Sections. 

FranceSpar Airfoil Spreader Tips only, are available, See FranceSpar Spreader Tips.

Isomat Airfoil Spreaders are listed by individual sizes, See Isomat Spreaders.

Sparcraft Airfoil Spreaders are listed by individual sizes, See Sparcraft Spreaders.

Z-Spar Airfoil Spreaders are listed by individual sizes, See Z-Spar Spreader Sections. 

For replacement of original Wood Spreaders, See: Wood Replacement Spreaders & Hardware.

If you are unable to determine your Spreader Section from the data on-site, See Identifying your Spar Section.  If you require Airfoil Spreaders (or Parts) not listed here, please forward details on your Spreader, including a tracing of your Spreader Section with maximum Outside dimensions, wall thickness, and boat model and year.

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