Mast Step Hinge Assemblies

A Hinged Mast Step or Tabernacle simplifies raising the Mast on smaller boats. Most assemblies shown here are 'Universal', designed to be bolted to standard Mast Steps, usually Cast Aluminum, allowing the Mast to pivot on one of the horizontal Pins. Tabernacles require a hole in the Mast tube. Assemblies are short enough that it is usually not necessary to modify existing rigging to add them to your boat. The size of your Mast Section will determine which units are suitable for your boat. If you require a new Mast Step casting, dozens are listed on-site under the specific Mast Section that they fit. For details, See: Spars. Please Note: Many other Hinged Mast Steps have been produced that are specific to a particular Mast Section. Those are listed on-site under the specific Mast Section that they fit. For details, See: Spars.

*Hinged Mast Plate Assembly 2 3/4" x 5 1/4": K-1264:* SS double channel hinge assembly is used on Kenyon D-Section (3 3/4" x 2 1/4") and smaller Mast Sections. Lower channel bolts to deck w/ (4) 1/4" bolts on 4" x 1 11/16" hole centers. Top plate hinges forward or aft on (2) 1/4" pins, and is attached to mast step with (2) 1/4" bolts and special compression spacer nuts (included), to handle greater rigging loads. Hole pattern is compatible with most Kenyon Mast Steps, other Steps will have to be drilled. Base is 5 1/4" x 2 3/4", unit is 3/4" high. For Parts for this unit, See K-1264 Mast Hinge Assembly.

*Hinged Mast Plate Assembly 3" x 4": DH 2151:* SS double channel hinge assembly is used on Kenyon D-Section (3 3/4" x 2 1/4") and smaller Mast Sections. Lower channel bolts to deck w/ (4) 1/4" bolts on 2 11/16" x 1 13/16" hole centers. Top plate hinges forward or aft on (2) 1/4" pins, and is attached to mast step with (2) 1/4" bolts and special compression spacer nuts (included), to handle greater rigging loads. Hole pattern is compatible with most Kenyon and Dwyer Mast Steps, other Steps will have to be drilled. Base is 4" x 3", unit is 3/4" high.

*Hinged Mast Plate Assembly 4" x 6": K-1374:* Heavy SS double channel hinge assembly is used on Kenyon 3656 (5.6" x 3.6") and smaller Mast Sections. Lower channel plate bolts to deck w/ (4) 5/16" bolts on 4 1/4" x 2 3/4" hole centers. Upper channel plate is attached to mast step with (2) 5/16" bolts and special compression spacer nuts (included). Top plate hinges forward or aft on (2) 3/8" pins, and features six (6) predrilled holes to simplify mast step mounting. Hole pattern is compatible with most Kenyon Mast Steps, other Steps will have to be drilled. Base is 6 1/2" long x 4" wide, unit is 1" high. For Parts for this unit, See K-1374 Mast Hinge Assembly.
*Hinged Mast Plate Assembly: K-1374-DM:* Heavy SS double channel hinge assembly is as K-1374, above, but Top plate has only two (2) 5/16" holes on 2 7/8" centers. Produced by Dwyer Mast as DH 2150, Hole pattern is compatible with many Dwyer Mast Steps, other Steps will have to be drilled. For Parts for this unit, See K-1374 Mast Hinge Assembly.
*Halyard Organizer Plate: K-1374HP:* Halyard Organizer Plate is designed to fit under the K-1374 Mast Hinge Assembly, using the same deck bolts. New-style formed SS Plate has a total of fourteen (14) 1/2" holes on 4 sides for attaching halyard turning blocks, boom vang, and halyard shackles. Base is 7 1/2" long x 4" wide and mounts with (4) 5/16" bolts on 4 1/4" x 2 3/4" hole centers. Plate measures 8 1/2" x 5 3/4" overall and can also be drilled for use with any mast step up to 4" wide.
1/2" Riser for K-1374 Hinged Mast Plate Ass'y: K-1374S-.5:
Spacer Plate or Riser for K-1374 Hinged Mast Plate Assembly is 1/2" thick, and fits under Bottom Hinge plate to increase Mast height by 1/2" or multiples of 1/2". Useful where mast needs to be cut, or as an easy way to solve rigging stretch problems. High-density Plastic Spacer Plate is 6 1/2" long x 3 3/4" wide x 1/2" thick, and is drilled to match the K-1374 Bottom Plate (K-9517).

Alu. Tabernacle for 3 1/2" Mast - Channel Type: F78-4T: Channel Type Aluminum Tabernacle used with Masts up to 3 1/2" wide. Mast pivots on a single 12mm bolt, aft side of mast is cut on a simple radius (for Masts hinging aft). Extruded Anodized Aluminum Channel is 420mm (16 1/2") long x (maximum) 100mm (4") wide, ID is 90mm (3 1/2"). Unit attaches to Deck w/ (4) 10mm bolts or screws staggered on 270mm centers. Requires 12mm hole in Mast and aft side cutaway, 12mm Pin is centered at 4 3/16" from inside base. Used with F-78, IMS-80 and other Masts up to 3 1/2" (89mm) wide. As used on Beneteau Swift 42 Trawler, and others.
*12mm Crossbolt Ass'y: FM135-2CBA:*
12mm Stainless Steel Crossbolt Assembly used in various Channel Type Mast Steps. SS Double threaded Pin is 12mm x 143 long and includes locknuts and washers.
SS Tabernacle Ass'y: RR 8M-SST: Heavy duty SS Tabernacle Assembly used with RigRite #8, Spartan CD-4 and similar size Mast Sections. Mast pivots on a single 5/8" bolt, aft side of mast is cut on a simple radius (for Masts hinging aft). For constant usage (or thin walled Masts) we recommend welding in a 5/8" ID Aluminum compression Tube. Formed SS Channel with Triangular sides is 7 3/4" long x 4 1/2" wide x 3/16" thick, Channel is 4 1/8" ID. Unit attaches to Deck w/ (4) 1/4" FH bolts. Requires 5/8" hole in Mast and aft side cutaway, 5/8" Pin is centered at 3 1/2" from base. Suitable for Masts up to 4 1/8" (104mm) wide.

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