Spars, Rigging, and Hardware for Sailboats

Rig-Rite, Inc.
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BF-5 Spreaders & Components


Isomat BF-5 Spreader Section
Outside Measurements (Maximum - Untapered): 154.5mm x 44mm (6" x 1 3/4")
Outside Measurements (at tapered end): 108mm x 44mm (4 1/4" x 1 3/4")
Inside Measurements: 100mm x 35mm (3 15/16" x 1 3/8")
Minimum Wall thickness: 2.5mm
Weight/M.: 2.80kg. - Weight/ft.: 1.876 lbs.
Moments of inertia: Ixx = 5.02", Iyy = 0.454"
Moments of inertia: Ixx = 209cm4, Iyy = 18.9cm4
Alloy: 6061-T6
Stock Length: 6M (19'8")
Isomat BF-5 Spreader Section 

 

 


Please Note:
Early version of the BF-5 Spreader (pre-1985) had similar dimensions (Maximum outside: 6" x 1 3/8") but had no 'tail'. Spreaders were supplied with a cut and welded taper (to 3" x 7/8"), and a welded tip. While the Old-style BF-5 Spreaders and extrusion are no longer available, the original welded tip, BF5-1XA, detailed below, is.  Note: Old-style BF-5 Spreaders and Spreader Bases are not compatible with the New-style BF-5 Spreaders or Spreader Bases shown here.

BF-5 Spreaders
Spreader Tips & Components
Spreader Bases & Components
Spreader Bars & Components
 


BF-5 Standard Spreader Assembly, Complete: BF5SAC-____:
Standard BF5 Spreader Assembly is anodized, Tapered, drilled for attachment to standard Cast Spreader Bases, and includes BF5-1K Spreader Tip Assembly. To order specify maximum tube length, and sweepback angle (if any). Painted finishes are available on special order, specify color. Spreaders are also available cut and drilled to fit Spreader Bars as well, please specify part number of Spreader Bar, below.

 

BF-5 Standard Spreader Tube Only, Tapered & Drilled: BF5TT-____:
For replacement purposes when using original end fittings, BF5 Spreader Tubes are available anodized and Tapered with inboard angles cut, and drilled for attachment to standard Cast Spreader Bases and Tip. To order specify maximum tube length, and sweepback angle (if any). Painted finishes are available on special order, specify color. Spreader Tubes are also available cut and drilled to fit Spreader Bars as well, please specify part number of Spreader Bar, below.

 

BF-5 Spreader Section, Clear Anodized: BF5CA-____:
BF5 Spreader Section is available clear anodized, but without taper or drilling at lengths up to 20'. To order specify maximum length.

 


Spreader Tips & Components for BF5 Spreaders
Spreader Tip Assembly for BF-5 Spreader – Standard: BF5-1K:
Assembly features smooth Outer Tip to capture shrouds, and Inner Tip casting that rests against the Spreader Section and provides a seat for up to 2 shrouds. Kit includes Outer & Inner Tip Castings, Spreader Boot, & screw, for 1 spreader. For use on rigs with Continuous Shrouds up to 14mm (9/16") diameter.

 

Iso_spreader_tip_exploded

 

 

 

Outer Tip Casting for BF-5 Spreader: BF5-2:
Smooth Outer Tip Casting captures shrouds and fastens to Spreader with (1) #8 SS Screw.

 

BF5-2

 

 

Inner Tip Casting for BF-5 Spreader: BF5-3:
Inner Tip Casting provides seats for 2 shrouds and protects Spreader tube from chafe.

 

BF5-3

 

 

Spreader Boot for BF-5 Spreader: BF5-4P (pair):
White molded vinyl boot protects sails from chafing against Continuous Spreader Tip. Spreader Boots are sold in pairs only.

 

Flag Halyard Eye for BF-5 Spreader w/ Continuous Tip: BF5-5C:
Optional SS Flag Halyard Eye fits in slot on underside of Continuous Spreader Tip Casting BF5-2, and provides for attachment of Flag halyard with or without a block.

 


Spreader Tip for BF-5 OLD-style Spreaders: BF5-1XA:
Spreader Tip for BF-5 Old-style Spreaders. Tip is welded to BF-5 Old-style Spreader tapered to 3" x 7/8". Cast aluminum Spreader Tip is (maximum) 3" long x 7/8" thick, and extends 1 5/8" beyond Spreader tube. Includes 6mm SS retaining screw to captivate shroud. 304201
Please Note: Old-style BF-5 Spreader had similar dimensions to the current BF-5, but had no 'tail'. Old-style BF-5 Spreaders and extrusion are no longer available. Old-style BF-5 Spreaders and Spreader Bases are not compatible with the BF-5 Spreaders or Spreader Bases shown here.

 


Discontinuous Spreader Tips for BF5 Spreaders
BF-5 Discontinuous Spreader Tip w/ 10mm Pin: BF5-10A:
BF-5 Discontinuous Spreader Tip w/ 12mm Pin: BF5-12A:
BF-5 Discontinuous Spreader Tip w/ 14mm Pin: BF5-14A:
BF-5 Discontinuous Spreader Tip w/ 16mm Pin: BF5-16A:
BF-5 Discontinuous Spreader Tip w/ 18mm Pin: BF5-18A:
BF-5 Discontinuous Spreader Tip w/ 20mm Pin: BF5-20A:

Standard Assembly provides horizontal pin for attachment of Discontinuous Shrouds. Includes anodized cast aluminum tip with horizontal pin and cotter pin. Unit projects (maximum) 2" (50mm) from end of spreader tube. Slot width (at pin) is 2" (50mm), pin center is 1 3/16" (30mm) from tube end.

 

BF5-12A

 

 

Casting Only for BF-5 Discontinuous Tip – 10mm: BF5-10:
Casting Only for BF-5 Discontinuous Tip – 12mm: BF5-12:
Casting Only for BF-5 Discontinuous Tip – 14mm: BF5-14:
Casting Only for BF-5 Discontinuous Tip – 16mm: BF5-16:
Casting Only for BF-5 Discontinuous Tip – 18mm: BF5-18:
Casting Only for BF-5 Discontinuous Tip – 20mm: BF5-20:

As BF5 Discontinuous Spreader Tip Assemblies above, but without pins.

 

 
 

 

10mm Pin for BF-5 Discontinuous Spreader Tip: BF5-10P:
12mm Pin for BF-5 Discontinuous Spreader Tip: BF5-12P:
14mm Pin for BF-5 Discontinuous Spreader Tip: BF5-14P:
16mm Pin for BF-5 Discontinuous Spreader Tip: BF5-16P:
18mm Pin for BF-5 Discontinuous Spreader Tip: BF5-18P:
20mm Pin for BF-5 Discontinuous Spreader Tip: BF5-20P:

Pins only for BF5 Standard Single Pin Discontinuous Spreader Tip Assemblies, above. Pins are 100mm (4") long.

 

BF5-12P

Spreader Boot for BF-5 Discontinuous Spreader Tip: BF5-4DP (pair):
White molded vinyl boot protects sails from chafing against Standard Single Pin Discontinuous Spreader Tip, above. Spreader Boots are sold in pairs only.

 

 
Flag Halyard Eye for BF-5 Standard Discontinuous Tip: BF5-5D:
Optional SS Flag Halyard Eye fits in slot on underside of Standard Discontinuous Spreader Tip Castings BF5-10 through BF5-20, above, and provides for attachment of Flag halyard with or without a block.

 


BF-5 Discontinuous Spreader Tip w/ 5/8" Pin - Special - Cal 39: BF5-C39A:
Special Spreader Tip Assembly for BF5 Spreader provides 5/8" horizontal pin for attachment of Discontinuous Shrouds. Includes anodized cast aluminum tip with horizontal pin and cotter pin. Unit projects (maximum) 2 7/16" (62mm) from end of spreader tube. Slot width (at pin) is 1 13/16" (46mm), pin center is 1 5/8" (41mm) from tube end. As used on Cal 39.  

 


BF-5 Stemball Seat Spreader Tip for 16mm/18mm Pin: BF5-18SA:
BF-5 Stemball Seat Spreader Tip for 20mm Pin: BF5-20SA:
BF-5 Stemball Seat Spreader Tip for 22mm Pin: BF5-22SA:
Stemball Seat Spreader Tip for BF5 Spreader provides enclosed horizontal pin (sold separately) for attachment of Vertical Shrouds and recessed seat for NG1 Stemball on Diagonal Shrouds up to 3/8" or 10mm. Anodized cast aluminum Tip is (maximum) 4 1/8" (105mm) wide and projects 4 5/8" (117mm) from end of spreader tube. Slot width is 2 7/8" (73mm), Pin center is 2 5/8" (67mm) from tube end, Stemball seat (for 26mm cup washer) center is 3/4" (20mm) from tube end. As used on Beneteau 49, and others.  

 

 

 

16mm Pin for BF-5 Stemball Seat Tip: BF5-16SAP:
18mm Pin for BF-5 Stemball Seat Tip: BF5-18SAP:
20mm Pin for BF-5 Stemball Seat Tip: BF5-20SAP:
22mm Pin for BF-5 Stemball Seat Tip: BF5-22SAP:
SS Pins only for BF5 Stemball Seat Discontinuous Spreader Tip, above. Pins are 105mm (4 1/8") long. 16mm Pins are Assemblies specially machined to fit in 18mm Pin hole.

 

 

BF-5 Spreader Tip for Navtec Tip Cup: BF5-NL500-30:
Special BF-5 Spreader Tip for use with Navtec Tip Cups for Discontinuous Rigging. Designed for Navtec L500-30 Spreader Tip Cups with a 2 7/16" diameter, unit is also suitable for other Tip Cups with similar dimensions. Machined from 6061-T6 Aluminum Bar stock, unit has a 2.485" Tip Cup hole, is 1.140" thick (at hole) and incorporates slot for anti-rotational lock pin. Unit features appropriate clearances for Tip Cup and projects (maximum) 3 3/4" (95mm) from end of spreader tube. Tip Cup hole center is 2" (50mm) from tube end.  32605073053

 

BF-5 Spreader Tip for Navtec Tip Cup: BF5-NL500-40:
Special BF-5 Spreader Tip for use with Navtec Tip Cups for Discontinuous Rigging. Designed for Navtec L500-40 Spreader Tip Cups with a 2 5/8" diameter, unit is also suitable for other Tip Cups with similar dimensions. Machined from 6061-T6 Aluminum Bar stock, unit has a 2.665" Tip Cup hole, is 1.395" thick (at hole) and incorporates slot for anti-rotational lock pin. Unit features appropriate clearances for Tip Cup and projects (maximum) 3 3/4" (95mm) from end of spreader tube. Tip Cup hole center is 2" (50mm) from tube end.  32605072913

 

 
BF-5 Spreader Tip for Tip Cup: BF5-NL500-50:
BF-5 Spreader Tip for use with Special Tip Cups for Discontinuous Rigging. Anodized cast aluminum Tip has a 3.81" (71mm) Tip Cup hole, is 1.275" thick (at hole) and incorporates slot for anti-rotational lock pin, as well as holes for a 16mm (5/8") cross pin. Unit features appropriate clearances for Tip Cup and projects (maximum) 4 3/8" (112mm) from end of spreader tube. Tip Cup hole center is 2 1/2" (64mm) from tube end.   32605071563

 


Spreader Bases & Components for BF5 Spreaders
Spreader Base Clevis Pin: BF5-30:
Attaches BF5 Spreader to standard Cast Aluminum Base. SS Clevis Pin is 12mm diameter x 45mm (1 3/4") long.

 

BF5-30
Spreader Base Bushing, 20mm OD - Rubber: BF5-31R:
Black Rubber Bushing fits newer Cast aluminum BF5 Spreader Bases with a 20mm (13/16") Bushing hole. Bushing is 20mm OD (13/16") x 21mm long x 12mm ID (7/16"). Rubber version is recommended for greater shock cushioning.

 

Spreader Base Bushing, 20mm OD - Plastic: BF5-31:
Hard white plastic Bushing fits newer Cast aluminum BF5 Spreader Bases with a 20mm (13/16") Bushing hole. Bushing is 20mm OD (13/16") x 21mm long x 12mm ID (7/16").

 

Old Style Spreader Base Bushing, 26mm OD - Plastic: BF5-31XP:
Hard white plastic Bushing fits older Cast aluminum Spreader Bases with a 26mm (1 1/32") Bushing hole. Bushing is 26mm OD (1 1/32") x 12mm ID (7/16"). 

 

Old Style Spreader Base Bushing, 30mm OD - Rubber: BF5-31XR:
Black Rubber Bushing fits older Cast aluminum Spreader Bases with a 30mm (1 1/8") Bushing hole. Bushing is 30mm OD (1 1/8") x 12mm ID (7/16").

 

BF5-31XR
Standard Spreader Base for BF-5 Spreader - Port: BF5-35P:
Standard Spreader Base for BF-5 Spreader - Starboard: BF5-35S:

Unique spreader base design incorporates (2) sockets for use with NG2 stemballs on lower and intermediate shrouds. Cast aluminum bases are welded to the mast and accommodate a variety of spreader angles depending on how the inboard spreader end is cut. BF5 Spreader is attached with (1) 12mm clevis pin that goes through a plastic bushing to allow for some shock loading. New Bases have hole for 21mm (13/16") OD Spreader Bushing, BF5-31. Base measures 5 1/2" high (maximum) x 6 3/8" long, and projects 5 1/4" out from the Mast. For use with NG-70 and larger Mast sections. Please specify Mast Section and port or starboard when ordering.

 

BF5-35P

 

NG2 Stemball Cup Washer: NG2-CW20:
Standard NG2 Stemball Cup Washer is used with swage and mechanical Stemballs in NG2 Mastheads, Spreader Bases and in other applications. Type 316 SS Cup Washer is 34mm (>1 5/16") OD x 20mm (>3/4") ID x 11.5mm (7/16") high.

 


Spreader Bars & Components for BF5 Spreaders
Rectangular Aluminum Spreader Bar for BF-5 Spreader: BF5-40-__:
Original Rectangular Aluminum Bars for BF5 Spreaders is 20mm thick x 97mm wide x 445mm (17 1/2") long, and are available in a variety of vertical and horizontal angles for replacement purposes. Standard vertical angle is 5.   To Order: Specify angle aft, and (for special applications) alternate vertical angles.

 

mmm

Extruded Aluminum Spreader Bar for BF-5 Spreader, 0 aft: BF5-41-0:
New-style Extruded Aluminum Spreader Bar for BF5 Spreader is 35mm (1 3/8") thick x 80mm (3 1/8") wide x 17 1/2" (445mm) long, and incorporates a 5 vertical angle for 0 (in-line) Spreaders. Used with NG-70 and larger Mast Sections. 

 

Aluminum Spreader Bar w/ cut-out for BF-5 Spreader, 0 aft: BF5-41-0C:
Special Extruded Aluminum Spreader Bar for BF5 Spreader has forward cut-out for use in Furling Masts where halyard clearance is limited. Special Spreader Bar is 3/4" (19mm) thick x 3 1/2" (90mm) wide x 17 1/4" (440mm) long, and incorporates a 5 vertical angle for 0 (in-line) Spreaders. As used on Island Packet 485 with Furling Mast. 

 

 
Aluminum Spreader Bar for BF-5 Spreader, 14 aft: BF5-42-14:
Special machined Aluminum Spreader Bar for BF5 Spreader in rigs with a 14 degree aft spreader sweep. Bar is 13/16" (20mm) thick x 3 13/16" (95mm) wide x 19 5/8" (500mm) long, and incorporates a 5 vertical angle for 14 aft Spreaders. Used with FM-1395 and other Mast Sections. 

 

 

 

Note: Aluminum Spreader Bars for BF5 Spreaders are also available in a variety of lengths and angles not listed here, and are sometimes machined for use with a variety of wire and rod Stemballs. When inquiring please specify Mast Section, sweepback angle, and rigging configuration. MMW/LOA; A160/410, B187/437, C220/510. 110E-HC

 


SS Spreader Bar for BF-5 Spreader (FM740): BF5-43-128.5:
SS Spreader Bar for BF-5 Spreader (S830): BF5-43-140:
SS Spreader Bar for BF-5 Spreader (NG70, FM1060): BF5-43-144:
SS Spreader Bar for BF-5 Spreader (NG80, FM1395): BF5-43-156:
SS Spreader Bar for BF-5 Spreader (NG86): BF5-43-171.5:
SS Spreader Bar for BF-5 Spreader (NG105, FM2390): BF5-43-182:
New-style cast SS Spreader Bar for BF5 Spreader incorporates seats for NG1 wire or rod Stemballs and is suitable for Spreaders angled up to 25 aft. SS Spreader Bar is (maximum) 1 3/4" (45mm) high x 5 1/8" (130mm) wide, and incorporates a 5 degree vertical angle. This item requires a contoured cut-out in the Mast wall, and is available in a variety of lengths for use with different Mast Sections. Standard sizes (lengths) are listed above, and denote the Mast width that these Bars are used with. Most units are marked with that length (length of center section). Used with Mast Sections FM-740 to FM-2390 and up to NG-105. Attaches to Spreaders using standard Spreader Base Clevis Pins, BF5-30, above.
As used on Beneteau 44.7, 47.7, 49, and others.
To order: Specify Bar length, Bar size (if marked), or Mast Section.
Please Note: This item is also available on a Custom basis in lengths for non-standard Mast Sections, Please specify.

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