Rig-Rite SP450 Airfoil Spreader Section


SP450 Airfoil Spreader Section & Hardware Rig-Rite SP450 Spreader Section is available in cut lengths, but is normally supplied as a welded, Tapered Spreader Assembly using a welded spreader tip, and sometimes including a welded Inboard End, for use with a variety of special Spreader Bases.
*SP450 Spreader Section: RR SP450XR-____:* SP450 Spreader Extrusion is stocked in a raw aluminum finish and is available in lengths up to 14'. To order: specify length.
*SP450 Tapered Spreader Assembly x 3' 9 1/4": SP165TA-45.25:* *SP450 Tapered Spreader Ass'y x 52": SP165TA-52:* *SP450 Tapered Spreader Ass'y - Custom Length: RR SP450TA-____:* Tapered SP450 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP450-2T, and an open inboard end for use with a variety of special Cast aluminum spreader bases. Standard Lengths are 3' 9 1/4" and 4' 4", but finished spreaders are available in any length. To order: Specify maximum length from inboard end to shroud bearing surface, spreader base configuration, and finish.
**SP450 Tapered Spreader Ass'y w/ Inboard End: RR SP450TAS-R___:***
Tapered SP450 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP450-2T, and one of the Inboard Ends listed below, for use with a variety of welded SS and aluminum spreader bases. Standard finish is raw aluminum, specify color if painted finish is required. To order: Specify maximum length from inboard end to shroud bearing surface, Inboard End, and finish.

*SP450 Tapered Spreader Tip - Twist-Lock: RR SP450-2T:* Special 'twist-lock' Spreader Tip for spreader tapered to 2 3/4", features slot for up to 3/8" shroud. Shroud is secured without seizing wire, by inserting it horizontally into Spreader Tip and then ‘twisting’ it to lie in line with the mast. Tip measures 2 3/4" x 1", and extends shroud seat 1/2" beyond spreader tube. Cast aluminum Spreader Tip has uncoated Aluminum finish for use in welded applications. SP-165T
*SP450 Tapered Spreader Tip - Slotted: SP-512TS:* Slotted Spreader Tip for spreader tapered to 1 3/4" features slot for up to 3/8" shroud. Shroud is secured with 3/16" FH screw. Tip measures 1 3/4" wide x 2 1/4" long x (maximum) 7/8" thick, and extends shroud seat 1 1/4" beyond spreader tube, portion inside spreader is 1 1/2" long. Cast aluminum Spreader Tip has uncoated Aluminum finish for use in welded applications. As used on a variety of C&C Yachts, Hinterhoeller Yachts and others, and used with other Spreader Sections.

*SP450 Inboard Spreader End, Standard: K-11480-5:* Inboard Spreader End is used for masts with welded aluminum spreader bases. Aluminum spreader end is welded in a slot cut in SP450 Spreader. Tapered Aluminum plate is 3/8" thick x (maximum) 6 1/4" wide x 5 1/2" long, and features integral etch lines to line up with centerline and end of SP450 Spreader. Mounts to mast with (2) 3/8" holes on 4 3/4" centers, holes are 3/4" from end of plate. Plate has uncoated Aluminum finish.
*SP450 Inboard Spreader End - Special: K-11480-5SN:* Inboard Spreader End is used for masts with welded aluminum spreader bases. Aluminum spreader end is welded in a slot cut in SP450 Spreader. Tapered Aluminum plate is 3/8" thick x (maximum) 6 1/4" wide x 5 1/2" long, and features integral etch lines to line up with centerline and end of SP450 Spreader. Mounts to mast with (2) 3/8" holes on 4 1/4" centers, holes are 3/4" from end of plate. Plate has uncoated Aluminum finish.
*SP450 Inboard Spreader End - Special, Large: K-11480-5SL:* Inboard Spreader End is used for masts with welded aluminum spreader bases. Aluminum spreader end is welded in a slot cut in SP450 Spreader. Tapered Aluminum plate is 3/8" thick x (maximum) 7 1/4" wide x 5" long, and features integral etch lines to line up with centerline and end of SP450 Spreader. Mounts to mast with (2) 1/2" holes on 5 3/4" centers, holes are 3/4" from end of plate. Plate has uncoated Aluminum finish. SoundSpar

CD-5 Spreader Base - Port: SP-164P: CD-5 Spreader Base - Starboard: SP-164S: Cast aluminum Spreader Base for CD-5 Mast Section fits flush with the mast surface and attaches with (6) 1/4" FH screws. Base is (maximum) 6 3/8" long x 3 1/4" high. Designed for rigs with in-line spreaders for use with 4 1/2" Airfoil Spreaders, SP-165. Cast in 356 Aluminum with clear anodized finish.
	Vertical Pin for SP-165 Spreader Brackets: SP-165P: Clevis Pin for attachment of SP-165 Spreaders to any of the Cast Spreader Brackets listed here is 1/2" x 1 1/2" long. Includes cotter pin.
CD-5 Spreader Base w/ Tang Attachment - Port: SP-766P: CD-5 Spreader Base w/ Tang Attachment - Starboard: SP-766S: Cast aluminum Spreader Base for CD-5 Mast Section fits flush with the mast surface and attaches with (4) 1/4" FH screws and a 1/2" bolt. Unique and sleek design allows for use of the same 1/2" bolt as an attachment point for a lower shroud tang Bearing Plate (SP-11216-S1), which fits under the Spreader Base. Commonly used with Double Lower Shroud Tang Set (SP-753K). Base is (maximum) 6 3/8" long x 3 1/2" high. Designed for rigs with in-line spreaders for use with 4 1/2" Airfoil Spreaders, SP-165. Cast in 356 Aluminum with clear anodized finish. Was SP-164-1.
*Sound Spar 8755 / MM 8348T Spreader Base for SP-165, Port: SS 8755SBC-P:* *Sound Spar 8755 / MM 8348T Spreader Base for SP-165, Starboard: SS 8755SBC-S:*
Cast Aluminum Spreader Base used on Sound Spar 8755 Mast Section (8.75" x 5.50"), and on MetalMast 8348T (8.30" x 4.81") Teardrop Mast Section with SP-165 Spreaders. Spreader fits over male stud on Base, Teardrop shaped Base is 6" wide x 3 1/4" high. Normally attaches to Mast with (6) 1/4" RH screws, but due to mounting variations castings are supplied raw, without holes for fasteners. As used on Pearson 10M, 365, 386, and others.
*C&C Spreader Base for SP-165, Port: CC SPB4-29P:* *C&C Spreader Base for SP-165, Starboard: CC SPB4-29S:* Cast Aluminum Spreader Base used on C&C Masts with SP-165 Spreaders. Spreader fits over male stud on Base. Base is 5 1/4" wide x 3" high with deep curve to fit C&C Mast Sections. Attaches to Mast with (6) 1/4" RH screws. As used on C&C 29 and others.
*SS Spreader Base w/ 3/8" Pin, Port Aft: SS 8755SBS-6PA:* *SS Spreader Base w/ 3/8" Pin, Starboard Aft: SS 8755SBS-6SA:* Stainless Steel Spreader Bases used on Sound Spar 8755, and other Mast Sections, with SP-165, SP-512, and other Spreaders using a 1/4" or 5/16" thick Inboard Spreader End Plate, similar to K-11480-5SL, above. SS Rectangular Base is 2 1/2" high x 2 3/16" wide, and attaches to Mast with (4) 1/4" RH screws on 1 3/4" (vertical) x 1 1/2" (horizontal) centers. Spreader Inboard End is attached to Base with a 3/8" clevis pin (included). Bases are used in pairs, with a Port Aft and a Starboard Aft version on each side of the Mast. (Port Aft = Starboard Forward, Starboard Aft = Port Forward).
*SS Spreader Base w/ 1/2" Pin, Port Aft: SS 8755SBS-8PA:* *SS Spreader Base w/ 1/2" Pin, Starboard Aft: SS 8755SBS-8SA:* Stainless Steel Spreader Bases used on Sound Spar 8755, and other Mast Sections, with SP-165 and other Spreaders using the K-11480-5SL Inboard Spreader End, above. SS Base is 3" square and attaches to Mast with (4) 1/4" RH screws on 2 1/8" (vertical & horizontal) centers. Spreader Inboard End is attached to Base with a 1/2" clevis pin (included). Bases are used in pairs, with a Port Aft and a Starboard Aft version on each side of the Mast. (Port Aft = Starboard Forward, Starboard Aft = Port Forward). As used on Pearson 36, 424, and others. P1184SA SS8755L

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Spars, Rigging, and Hardware for Sailboats