Rig-Rite SP375 Airfoil Spreader Section


SP375 Airfoil Spreader Section & Hardware Rig-Rite SP375 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.
*SP375 Spreader Section: RR SP375XR-____:* SP375 Spreader Extrusion is stocked in a raw aluminum finish and is available in lengths up to 14'. To order: specify length.
*SP375 Tapered Spreader Assembly: RR SP375TA-____:* Tapered SP375 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP375-2T, and an open inboard end for use with a variety of special Cast aluminum spreader bases, or aluminum Inboard Ends, below. Standard Lengths are 2' 11", 3' 1/2" and 3' 11 1/2", 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.
	*SP375 Tapered Spreader Ass'y - Pearson 365K Mizzen: RR SP375TA-P365KM:*
	Tapered SP375 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP375-2T, and Special contoured end with welded bushing for 5/8" vertical Pin. Finished in Awlgrip Light Gray at " long overall and swept aft. As used on Pearson 365K Mizzen, with SS Spreader Base, See: MM 6641 Mast Section.
*SP375 Tapered Spreader Ass'y w/ Standard Inboard End: RR SP375TAS-R____:*
Tapered SP375 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP375-2T, and Standard Inboard End, RR SP375-4, for use with a variety of special welded SS 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, spreader base configuration, and finish.
	*SP375 Tapered Spreader Ass'y - Sabre 30: RR SP375TA-S30W:* Tapered SP375 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP375-2T, and Standard Inboard End, RR SP375-4. Finished in Awlgrip Matterhorn White at " long overall. As used on Sabre 30 with RR #9 Mast.
	*SP375 Tapered Spreader Ass'y - Sabre 32, 34: RR SP375TA-S32W:* Tapered SP375 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP375-2T, and Standard Inboard End, RR SP375-4. Finished in Awlgrip Matterhorn White at " long overall. As used on Sabre 32 and Sabre 34 on RR #9 Mast with SS Spreader Bases.
*SP375 Tapered Spreader Ass'y w/ Large Inboard End: RR SP375TAL-R____:*
Tapered SP375 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP375-2T, and Large Inboard End, RR SP375-4L, for use with a variety of 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, spreader base configuration, and finish. As used on Catalina 30, Pearson 30, and others.

*SP375 Tapered Spreader Tip - Twist-Lock: RR SP375-2T:* 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-512T
*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, Hinterholler Yachts and others, and used with other Spreader Sections.

*SP375 Inboard Spreader End, Standard: RR SP375-4:* Inboard Spreader Ends fit snugly inside of SP375 Spreader and adapt them for use with spreader bases having 3/4" clearance between horizontal tabs. Cast aluminum unit is typically welded in end of SP375 Spreader, but can be attached with screws. Unit is (maximum) 4" long x 3 3/4" wide x 1 5/16" thick, and extends 1 7/8" beyond spreader tube. Mounts to spreader base with (2) 3/8" holes on 2 1/4" centers, holes are 1" from inboard end. With uncoated Aluminum finish for use in welded applications.
*SP375 Inboard Spreader End, Large: RR SP375-4L:* Inboard Spreader Ends fit snugly inside of SP375 Spreader and adapt them for use with spreader bases having 1 1/2" clearance between horizontal tabs. Cast aluminum unit is typically welded in end of SP375 Spreader, but can be attached with screws. Unit is (maximum) 4" long x 3 3/4" wide x 1 1/2" thick, and extends 1 7/8" beyond spreader tube. Supplied without mounting holes, can be drilled for use with any spreader base having 1 1/2" clearance between horizontal tabs. With uncoated Aluminum finish for use in welded applications.

*CD-4.5 Spreader Base - Port: SP-502P:* CD-4.5 Spreader Base - Starboard: SP-502S: Original Cast aluminum Spreader Base for CD 4.5 Mast Section fits flush with the mast surface and attaches to the mast with (6) 1/4" RH screws. Base is (maximum) 5 3/8" long x 3" high. Designed for rigs with in-line spreaders for use with 3 3/4" Airfoil Spreaders, SP-512. Cast in 356 Aluminum with clear anodized finish.
	Vertical Pin for SP-512 Spreader Brackets: SP-512P: Clevis Pin for attachment of SP-512 Spreaders to any of the Cast Spreader Brackets listed here is 1/2" x 1 3/8" long. Includes cotter pin.
*CD-4.5 Spreader Base w/ Tang Attachment - Port: SP-765P:* CD-4.5 Spreader Base w/ Tang Attachment - Starboard: SP-765S: New-style Cast aluminum Spreader Base for CD 4.5 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) 5 1/2" long x 3 1/4" high. Designed for rigs with in-line spreaders for use with 3 3/4" Airfoil Spreaders, SP-512. Cast in 356 Aluminum with clear anodized finish.
*Sound Spar 7747 Spreader Base for SP-512, Port: SS 7747SB-P:* *Sound Spar 7747 Spreader Base for SP-512, Starboard: SS 7747SB-S:*
Cast Aluminum Spreader Base used on Sound Spar 7747 Mast Section (7.75" x 4.75") with SP-512 Spreaders. Spreader fits over male stud on Base, Teardrop shaped Base is 5 1/2" wide x 3 1/8" high. Normally attaches to Mast with (6) 1/4" RH screws. Undrilled. As used on Pearson 32, 323, and others.
*C&C Spreader Base for SP-512, Port: CC SPB3-100P:* *C&C Spreader Base for SP-512, Starboard: CC SPB3-100S:* Cast Aluminum Spreader Base used on C&C Masts with SP-512 Spreaders. Spreader fits over male stud on Base, Rectangular Base is 5" wide x 3 1/2" high with slight curve to fit C&C Mast Sections. Attaches to Mast with (6) 1/4" FH screws. As used on C&C 30 Mk.1 (1983), and others.
*C&C Spreader Base for SP-512, Port: CC SPB3-114P:* *C&C Spreader Base for SP-512, Starboard: CC SPB3-114S:* Cast Aluminum Spreader Base used on C&C Masts with SP-512 Spreaders. Spreader fits over male stud on Base, Rectangular Base is 4 1/2" wide x 3" high with deep curve to fit C&C Mast Sections. Attaches to Mast with (6) 1/4" RH screws. Undrilled.
*C&C Spreader Base for SP-512, Port: CC SPB3-115P:* *C&C Spreader Base for SP-512, Starboard: CC SPB3-115S:* Cast Aluminum Spreader Base used on C&C Masts with SP-512 Spreaders. Spreader fits over male stud on Base, Rectangular Base is 4 1/4" wide x 2 7/8" high with deep curve to fit C&C Mast Sections. Attaches to Mast with (6) 1/4" RH screws.
*C&C 24 Spreader Base for SP-512, Port: CC SPB3-24P:* *C&C 24 Spreader Base for SP-512, Starboard: CC SPB3-24S:* Cast Aluminum Spreader Base used on C&C Masts with SP-512 Spreaders. Spreader fits over male stud on Base, Rectangular Base is 4 3/8" (maximum) wide x 3" high with sharp angle to fit C&C Mast Section. Attaches to Mast with (4) 1/4" FH screws. As used on C&C 24.
*MetalMast 6641 SS Spreader Base for SP-512: MM 6641SBS-10:*
Stainless Steel Spreader Base with 5/8" Vertical Pin used on MetalMast 6641 Mast Section (6.62" x 4.12") with SP-512 Spreaders. Attaches to Mast with (7) 1/4" RH screws. Base Measures (maximum) 3 1/2" high x 3 1/2" wide, and projects 2 1/2" out from Mast. Used with SP-512 Airfoil configured as *SP-512TA-PMizG, above. As used on Pearson 365 and 424 Mizzen Masts, and others.* P10073
*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-512, SP-165, and other Spreaders using a 1/4" or 5/16" thick Inboard Spreader End Plate. 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). SS8755S
*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-512, SP-165, and other Spreaders using a 3/8" thick Inboard Spreader End Plate. 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