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Spars, Rigging, and Hardware for Sailboats

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

Tang Bearing Plates


Tang Bearing Plates
Bearing Plates are used to reinforce the mast wall, spreading the load of a single bolt attachment out over a greater area and increasing the bearing surface by using additional fasteners.
Bearing Plates are recommended for use with all single bolt Shroud Tangs, Flange Bushings are often used to eliminate stress on the mounting bolt thread while reducing bolt size.

Note: Similar items are available for use on Booms with Standard (Pivoting) Boom Bails. See: Boom Bail Bearing Plates.
See also, Tangs Main Page.
 

Aluminum Bearing Plate w/ 5/8" hole: RCS-83-4310A:
Cast aluminum Bearing Plate has (3) holes for 3/16" screws and (1) 5/8" hole for use with 5/8" bolt, or with SS Flange Bushing (K-9630-1008) and a 1/2" bolt. Cast Triangular Plate is 3" long x 3" wide (at bottom) x 3/16" (minimum) thick, and is contoured for use with many Mast Sections. Plate has uncoated finish for use in welded applications. As used by Columbia.

 

Aluminum Bearing Plate w/ 3/4" hole: RCS-83-4312A:
Cast aluminum Bearing Plate has (3) holes for 1/4" screws and (1) 3/4" hole for use with 3/4" bolt, or with SS Flange Bushing (K-10455) and a 1/2" bolt. Cast Triangular Plate is 4" long x 3" wide (at bottom) x 3/16" (minimum) thick, and is contoured for use with many Mast Sections. Plate has uncoated finish for use in welded applications. As used by Columbia.

 


SS Bearing Plate w/ 3/8" hole: K-742X:
SS Bearing Plate has (3) 3/16" holes for screws or rivets and (1) 3/8" hole for bolt. Plate is 3 1/2" long x 1" wide x .075" thick, with (3) 3/16" holes on 3/4" centers.

 

 

Tapered SS Bearing Plate w/ 1/2" hole: K-11216-M2:
Tapered SS Bearing Plate has (2) 1/4" holes for screws or rivets and (1) 1/2" hole for use with 1/2" bolt, or with SS Flange Bushing (K-9630-6) and a 3/8" bolt. Tapered Plate is 3 3/4" long x (maximum) 2 1/8" wide x 5/64" (.078") thick, with (2) 1/4" holes on 3/4" centers, and is contoured for use with most Mast Sections.

 

Tapered SS Bearing Plate w/ 5/8" hole: K-11216-M3:
Tapered SS Bearing Plate has (2) 1/4" holes for 1/4" screws or rivets and (1) 5/8" hole for use with 5/8" bolt, or with SS Flange Bushing (K-9630-1008) and 1/2" bolt. Tapered Plate is 3 3/4" long x (maximum) 2 1/8" wide x 3/32" (.098") thick, with (2) 1/4" holes on 3/4" centers, and is contoured for use with most Mast Sections.

 

 


Tapered SS Bearing Plate w/ 3/4" hole: K-11216-S1:
Tapered SS Bearing Plate has (1) 1/2" hole and (1) 3/4" hole for use with bolts of those sizes, or with SS Flange Bushings (K-9630, K-10455) and smaller bolts. Tapered Plate is 3 1/2" long x 1" wide (at top) x 2" wide (at bottom) x 3/32" (.098") thick, with (2) holes on 1 3/4" centers, and is contoured for use with most Mast Sections.  SP

 

K-11216-S1

Tapered SS Bearing Plate w/ 3/4" hole: K-11216-S3:
Tapered SS Bearing Plate has (3) holes for 1/4" screws or rivets and (1) 3/4" hole for use with 3/4" bolt, or with SS Flange Bushing (K-10455) and a 1/2" bolt. Tapered Plate is 3 1/2" long x 1" wide (at top) x 2" wide (at bottom) x 3/32" (.098") thick, and is contoured for use with most Mast Sections.

 

K-11216-S3

Diamond-shaped SS Bearing Plate w/ 3/4" hole: K-11216:
Diamond-shaped SS Bearing Plate has (3) holes for 1/4" screws or rivets and (1) 3/4" hole for use with 3/4" bolt, or with SS Flange Bushing (K-10455) and a 1/2" bolt. Diamond-shaped Plate is 3" square (at flats) x 1/8" thick, and is contoured for use with most Mast Sections.

 

K-11216

SS Bearing Plate w/ 3/4" hole: K-11575:
Heavy SS Bearing Plate has (5) holes for 5/16" FH machine screws and (1) 3/4" hole for use with 3/4" bolt, or with SS Flange Bushing (K-10455) and a 1/2" bolt. SS Plate is 4 3/4" long x 2" wide x 3/16" thick, and is slightly contoured for use with most Mast Sections.

 

K-11575


Tapered SS Bearing Plate w/ 1" hole: Sch 84-29BP:
Heavy-duty Tapered SS Bearing Plate has (2) 5/8" OD x 3/8" ID welded bushings that protrude internally to increase bearing surface on Mast wall. Mounts with 1" bolt, and (2) 3/8" bolts, or with SS Flange Bushing (K-10455-1) and a 3/4" and (2) 3/8" bolts. Triangular SS Plate is 5 1/4" long x 1" wide (at top) x 2 1/2" wide (at bottom) x 3/16" thick, and is slightly contoured for use with most Mast Sections. Mounting requires (1) 1" and (2) 5/8" holes. Commonly used with Sch 84-29 Double Clevis Tang assembly, and other Tangs with a 1" hole.

 


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