Spars, Rigging, and Hardware for Sailboats

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Standard Chainplates


Standard Chainplates (Flat & Angled)
Standard Chainplates are made from strap or plate stock. Flat (un-bent) Chainplates are most commonly used for shrouds but are sometimes used in Forestay and Backstay applications. Angled Chainplates are similar, but with 1 or 2 bends, and are most commonly used in Headstay and Backstay applications but are sometimes used for shrouds. Please note that if an Angled Chainplate is otherwise suitable for your application, the angle can frequently be modified to suit.
Standard Flat Chainplates and Angled Chainplates are listed below by the size of the Pin they are attached to the rigging with. If you require Standard Chainplates not listed here, we stock some others and are able to fabricate a variety of Custom ones, please forward a sketch with complete measurements and details for a quote.
See Also: Double Chainplates (Flat & Angled), Deck Mount Chainplates, U-Bolt Type Chainplates, Chainplate Covers, and Stemhead Fittings.

Standard Flat Chainplates
Standard Angled Chainplates
Chainplate Covers
Other Chainplates
 


Standard Flat Chainplates  
Standard Flat Chainplates are made from strap or plate stock, and are most commonly used for shrouds but are sometimes used in Forestay and Backstay applications. Most larger ones are made from type 316L Stainless Steel.
Flat Chainplates for a 1/4" Pin
Standard Chainplate for 1/4" Pin: CP 84-86:
Stainless Steel Chainplate with 1/4" hole for attachment of Shroud. Chainplate is attached to boat with (4) 1/4" bolts on 1 1/2" centers. Flat SS Chainplate is 8" long x 1" wide x 3/32" thick.

 

T Chainplate for 1/4" Pin: CP 84-33X:
Stainless Steel flat T-shaped Chainplate with 1/4" hole for attachment of Shroud or Stay. Chainplate is attached to boat with (2) 1/4" bolts on 2 3/8" horizontal centers. Flat SS Chainplate is maximum 3 1/2" wide x 3" high x 1/16" thick. As used for Backstay on O'Day 20, 22, Rhodes 19, and other boats. LSI

 

CP 84-33X

Flat Chainplates for a 5/16" Pin
Standard Chainplate for 5/16" Pin: CP 84-87:
Stainless Steel Chainplate with 5/16" hole for attachment of Shroud. Chainplate is attached to boat with (4) 1/4" bolts on 1 11/16" centers. Flat SS Chainplate is 8 3/4" long x 1" wide x 1/8" thick.

 

Long Chainplate for 5/16" Pin: CP 84-85-73X:
Stainless Steel Chainplate with 5/16" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/4" bolts on 1 5/8" centers. Flat SS Chainplate is 11 1/4" long x 1 1/4" wide x 1/8" thick. **

 


Flat Chainplates for a 3/8" Pin
Short Chainplate for 3/8" Pin: CP 84-87A:
Stainless Steel Chainplate with 3/8" hole for attachment of Shroud. Chainplate is attached to boat with (4) 1/4" bolts on 1 11/16" centers. Flat SS Chainplate is 8 3/4" long x 1" wide x 1/8" thick.  DO

 

CP 84-87A CP 84-88
Standard Chainplate for 3/8" Pin: CP 84-88:
Stainless Steel Chainplate with 3/8" hole for attachment of Shroud. Chainplate is attached to boat with (4) 3/8" bolts on 1 7/8" centers. Flat SS Chainplate is 10" long x 1 1/4" wide x 1/8" thick.

 

Heavy Duty Chainplate for 3/8" Pin: CP 84-88H:
Stainless Steel Chainplate with 3/8" hole for attachment of Shroud. Chainplate is attached to boat with (3) 3/8" bolts on 1 1/2" centers. Flat SS Chainplate is 8" long x 1 1/4" wide x 3/16" thick, 3/8" hole centers are 3/4" from end. As used on Sabre 28 for Forward Lower Shrouds, attached to the cabin top.

 

Heavy Duty Chainplate Blank for 3/8" Pin: CP 84-88B:
Stainless Steel Chainplate with 3/8" hole for attachment of Shroud. Chainplate Blank has no drilled holes for attachment to boat, and is designed for use in replacement applications where mounting bolt pattern varies, especially in older boats where Chainplates were hand drilled. Flat SS Chainplate is 10" long x 1 1/4" wide x 3/16" thick, 3/8" hole center is 3/4" from end. As used on Pearson Commander, and others.

 


Flat Chainplates for a 7/16" Pin
Short Chainplate for 7/16" Pin: CP 84-89S:
Stainless Steel Chainplate with 3/8" hole for attachment of Shroud. Chainplate is attached to boat with (3) 3/8" bolts on 1 1/2" centers. Flat SS Chainplate is 8" long x 1 1/4" wide x 3/16" thick, 7/16" hole center is 3/4" from end.  DO

 

Standard Chainplate for 7/16" Pin: CP 84-89:
Stainless Steel Chainplate with 7/16" hole for attachment of Shroud. Chainplate is attached to boat with (5) 3/8" bolts on 1 7/8" centers. Flat SS Chainplate is 12" long x 1 1/4" wide x 3/16" thick. As used for Cal 28 Backstay.

 

Heavy Duty Chainplate Blank for 7/16" Pin: CP 84-89B:
Stainless Steel Chainplate with 7/16" hole for attachment of Shroud. Chainplate Blank has no drilled holes for attachment to boat, and is designed for use in replacement applications where mounting bolt pattern varies, especially in older boats where Chainplates were hand drilled. Flat SS Chainplate is 10" long x 1 1/4" wide x 3/16" thick, 7/16" hole center is 3/4" from end.

 


Flat Chainplates for a 1/2" Pin
Standard Chainplate for 1/2" Pin: CP 84-90:
Stainless Steel Chainplate with 1/2" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/2" bolts on 2 1/8" centers. Flat SS Chainplate is 13 3/4" long x 1 1/2" wide x 1/4" thick.

 

Wide Chainplate for 1/2" Pin: CP 84-90W:
Heavy Duty Stainless Steel Chainplate with 1/2" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/2" bolts on 2 3/4" centers. Flat SS Chainplate is 19 1/2" long x 2" wide x 1/4" thick.

 

Heavy Duty Chainplate for 1/2" Pin: CP 84-90HL15:
Heavy Duty Stainless Steel Chainplate with 1/2" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/2" bolts on 2" centers. Highly polished Flat SS Chainplate is 15 1/2" long x 1 1/4" wide x 3/8" thick. As used on Sabre 36. 

 

Heavy Duty Chainplate for 1/2" Pin: CP 84-90HL18:
Heavy Duty Stainless Steel Chainplate with 1/2" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/2" bolts on 1 3/4" centers. Lower (2) and upper (3) attachment holes are 5 3/4" apart. Highly polished Flat SS Chainplate is 18 1/2" long x 1 1/4" wide x 3/8" thick. * As used on Sabre 36. 

 


Flat Chainplates for a 5/8" Pin
Standard Chainplate for 5/8" Pin: CP 84-91:
Stainless Steel Chainplate with 5/8" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/2" bolts on 2 1/2" centers. Flat SS Chainplate is 16" long x 1 1/2" wide x 3/8" thick.

 

Wide Chainplate for 5/8" Pin: CP 84-91W:
Stainless Steel Chainplate with 5/8" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/2" bolts on 2 3/4" centers. Flat SS Chainplate is 19 1/2" long x 2" wide x 1/4" thick.

 

Heavy Duty Wide Chainplate for 5/8" Pin: CP 84-91WH:
Heavy Duty Stainless Steel Chainplate with 5/8" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/2" bolts on 2 3/4" centers. Flat SS Chainplate is 19 1/2" long x 2" wide x 5/16" thick. As used on Shannon 43 and others. 3/8

 


Flat Chainplates for a 3/4" Pin
Heavy Duty Chainplate for 3/4" Pin: CP 84-92H:
Heavy Duty Stainless Steel Chainplate with 3/4" hole for attachment of Shroud. Chainplate is attached to boat with (5) 1/2" bolts on 2 3/4" centers. Flat SS Chainplate is 19 1/2" long x 2" wide x 1/2" thick.

 


Standard Angled Chainplates  
Standard Angled Chainplates are made from strap or plate stock with 1 or 2 bends, and are most commonly used in Headstay and Backstay applications but are sometimes used for shrouds. Please note that if a Chainplate is otherwise suitable for your application, the angle can frequently be modified to suit.
Angled Chainplates for a 1/4" Pin
30 degree Angled Chainplate for 1/4" Pin: CP 84-76:
Stainless Steel Chainplate with 1/4" hole for attachment of Stay or Shroud. Angled Chainplate has upper 1 1/2" bent at 30 degrees, and is attached to boat with (4) 1/4" bolts on 1 1/2" centers. Unit is 8" long x 1" wide x 3/32" thick.

 


Angled Chainplates for a 5/16" Pin
30 degree Angled Chainplate for 5/16" Pin: CP 84-77:
Stainless Steel Chainplate with 5/16" hole for attachment of Stay or Shroud. Angled Chainplate has upper 1 1/2" bent at 30 degrees, and is attached to boat with (4) 1/4" bolts on 1 11/16" centers. Unit is 8 3/4" long x 1" wide x 1/8" thick.

 


Angled Chainplates for a 3/8" Pin
10 degree Angled Chainplate for 3/8" Pin - Backstay: CP 84-78-JB:
Stainless Steel Chainplate with 3/8" hole for attachment of (normally) Backstay. Triangular, Angled Chainplate is 3 5/8" long x (maximum) 1 3/4" wide x 1/8" thick, has upper 1 1/2" bent at 10 degrees, and is attached to boat with (2) 1/4" bolts on 7/8" centers. As used (2 each) for Backstay on J/22, J/24, and others.

 

30 degree Angled Chainplate for 3/8" Pin: CP 84-78:
Stainless Steel Angled Chainplate with 3/8" hole for attachment of Stay or Shroud. Angled Chainplate has upper 2" bent at 30 degrees, and is attached to boat with (4) 3/8" bolts on 1 7/8" centers. Unit is 10" long x 1 1/4" wide x 1/8" thick.

 

 
Aluminum 5 Angled Chainplate for 3/8" Pin: CP 84-S30A-B6:
Lightweight Aluminum Chainplate with 3/8" hole originally used for attachment of Backstay. Angled Chainplate has tapered upper portion (3 3/4" long) bent at 5 degrees, and is bolted through transom with (5) 3/8" bolts in a staggered pattern. Anodized Aluminum Chainplate is 12 3/4" long x (maximum) 3" wide x 5/16" thick, and Pin hole is reinforced with a 3/8" ID SS Bushing. As used by Seidelman.
Note: Although originally used on production Sailboats and strong enough for the loads involved, Aluminum Chainplates are not recommended for vessels anticipating continued salt water usage, as the low-maintenance corrosion potential is great.

 


Angled Chainplates for a 7/16" Pin
30 degree Angled Chainplate for 7/16" Pin: CP 84-79X:
Stainless Steel Chainplate with 7/16" hole for attachment of Stay or Shroud. Angled Chainplate has upper 2" bent at 30 degrees, and is attached to boat with (5) 3/8" bolts on 1 7/8" centers. Unit is 12" long x 1 1/4" wide x 3/16" thick. MMM

 


Angled Chainplates for a 1/2" Pin
5 degree Angled Chainplate for 1/2" Pin - Long: CP 84-X121:
Stainless Steel Angled Chainplate with 1/2" hole for attachment of Stay or Shroud. Angled Chainplate has upper 4" bent at 5 degrees, and is attached to boat with (7) 1/2" bolts on 2" centers. Unit is 18" long x 1 1/2" wide x 1/4" thick. As used on some Cal's, O'Day's and Rangers.   G

 

 

Backing Plate for CP 84-X121 Chainplate: CP 84-X121:
Stainless Steel Backing Plate for use with CP 84-X121 Angled Chainplate w/ 1/2" hole. Backing Plate is 13 1/2" long x 1 1/2" wide x 1/8" thick w/ (7) 1/2" holes on 2" centers.   ODCR

 

30 degree Angled Chainplate for 1/2" Pin: CP 84-80:
Stainless Steel Angled Chainplate with 1/2" hole for attachment of Stay or Shroud. Angled Chainplate has upper 2 1/4" bent at 30 degrees, and is attached to boat with (5) 1/2" bolts on 2 1/8" centers. Unit is 13 3/4" long x 1 1/2" wide x 1/4" thick.

 

60 degree Angled Chainplate for 1/2" Pin: CP 84-X121-60S:
Stainless Steel Angled Chainplate with 1/2" hole for attachment of Stay or Shroud. Angled Chainplate has upper 5" bent at 60 degrees, and is attached to boat with (6) 1/2" bolts on 2" centers, with lower hole at 1" from end. Unit is 21 1/2" long x 1 1/2" wide x 3/8" thick. As used for Backstay on some Sabre 36's.

 


20 degree Angled Chainplate w/ Double Bend for 1/2" Pin: CP 84-X122D-O35:
Stainless Steel Angled Chainplate with 1/2" hole for attachment of Stay or Shroud. Angled Chainplate has double bend in upper 4" (+30, -10 degrees) with a resultant 20 degree angle, and is attached to boat with (6) 3/8" bolts on 1 3/4" centers. Specially reinforced Chainplate has welded SS bushing (3/8" long) for maximum bearing surface on Pin. Unit is 14" long x 1 1/2" wide x 3/16" (minimum) thick. As used for Backstay on some O'Day 35's. SK5662 OD 45/27644

 

50 degree Angled Chainplate w/ Double Bend for 1/2" Pin: CP 84-X122C:
Stainless Steel Angled Chainplate with 1/2" hole for attachment of Stay or Shroud. Angled Chainplate has double bend in upper 7" (+35, +15 degrees) with a resultant 50 degree angle, and is attached to boat with (5) 3/8" bolts on 2 1/2" centers. Unit is 19 1/4" long x 1 1/4" wide x 3/16" thick. As used for Headstay on some Cal 28's. SKOD 45/36035

 

50 degree Angled Chainplate w/ Double Bend for 1/2" Pin HD: CP 84-X123C:
Stainless Steel Angled Chainplate with 1/2" hole for attachment of Stay or Shroud. Angled Chainplate has double bend in upper 8" (+35, +15 degrees) with a resultant 50 degree angle, and is attached to boat with (5) 1/2" bolts on 3" centers. Specially reinforced Chainplate has welded SS plate at upper end making it 1/2" thick at the pin hole. Unit is 21 1/2" long x 1 1/4" wide x (minimum) 3/8" thick. As used for Backstay on some O'Day's. OD 45/SK2384Q

 

57 degree Angled Chainplate w/ Double Bend for 1/2" Pin: CP 84-X124P:
Stainless Steel Angled Chainplate with 1/2" hole for attachment of Stay or Shroud. Angled Chainplate has double bend in upper 5 1/2" (+45, +12 degrees) with a resultant 57 degree angle, and is attached to boat with (4) 3/8" bolts on 2 3/4" centers. Unit is 17 1/2" long x 1 1/2" wide x 1/4" thick. As used for Headstay on some Pearson 33's. PY-29063, 27063Q G

 


Angled Chainplates for a 5/8" Pin
20 degree Angled Chainplate for 5/8" Pin: CP 84-X131-20:
Stainless Steel Angled Chainplate with 5/8" hole for attachment of Stay or Shroud. Angled Chainplate has upper 4 3/4" bent at 20 degrees, and is attached to boat with (7) 1/2" bolts on 1 3/4" centers. Specially reinforced Chainplate has welded SS bushing (1/2" long) for maximum bearing surface on Pin. Unit is 17 1/2" long x 1 1/2" wide x 1/4" (minimum) thick. As used for Backstay on some O'Day 35's. SK5662Q OD 45/35340

 

30 degree Angled Chainplate for 5/8" Pin: CP 84-81:
Stainless Steel Angled Chainplate with 5/8" hole for attachment of Stay or Shroud. Angled Chainplate has upper 2 3/4" bent at 30 degrees, and is attached to boat with (5) 1/2" bolts on 2 1/2" centers. Unit is 16" long x 1 1/2" wide x 3/8" thick.

 


65 degree Angled Chainplate w/ Double Bend for 5/8" Pin: CP 84-X132P-65:
Stainless Steel Angled Chainplate with 5/8" hole for attachment of Stay or Shroud. Angled Chainplate has double bend in upper 5 1/2" (+48, +17 degrees) with a resultant 65 degree angle, and is attached to boat with (4) 3/8" bolts on 2 5/8" centers, and an additional 3/8" bolt 2 1/4" below the pin hole. Unit is 17 1/2" long x 1 1/2" wide x 3/8" thick. As used on some Pearson 36's. PY-3514, 25149Q G

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