Ronstan Sealoc Closed-Body Calibrated Turnbuckles - Stainless Steel

RONSTAN

Sealoc Premium Closed-Body Calibrated Turnbuckles

Toggle & Swage, Imperial Wire Sizes

Grade 316 Stainless Steel Bodies & Terminals
Chrome-Plated Aluminum Silicon Bronze Coupling Nuts

These Type 1 turnbuckles have a sleek, modern profile with no sharp edges. They are easily adjusted by turning the unique coupling nut, which is free to rotate on the turnbuckle barrel. They are secured with a quick turn on the cone-shaped locking nut.

With single-end adjustment and a fine thread, Type 1 turnbuckles are much easier to adjust than conventional turnbuckles. The use of dissimilar but compatible metals for the threaded components avoids the risk of thread seizure. Toggles are designed with full universal movement for easy installation and connection. They allow the assembled cable to move where the structure is subject to wind loads or vibration.

Laser-etched calibration marks allow accurate, repeatable settings for precise adjustment and tuning of rig tension
Tapered lock nut locks the threaded terminal in position without split pins - nothing to catch on sails, and no tape required
Coupling nut remains free to rotate on the body with no effect on rig tension, reducing wire fatigue
Coupling nut is manufactured in AISi Bronze, to prevent thread seizure (galling) with stainless body and threaded swage terminal
Fine, rolled threads
Multi-axial toggles

Applications

Precise adjustment for imperial wire-rigged boats from dinghies to small keelboats

Mfg No.	Wire Diameter	Thread Type	A	B	C (Min)	C (Max)	D	E	Weight
RF1574-0404	1/8"	1/4" UNF*	5/16" (8.3mm)	5/16" (8.0mm)	7-19/32" (180mm)	9-1/4" (235mm)	19/32" (15mm)	1/4" (6.4mm)	3.9 oz. (110g)
RF1575M0405	4mm (5/32")	5/16" UNF*	3/8" (9.4mm)	7/16" (11.0mm)	8-1/8" (206mm)	10-11/16" (271mm)	25/32" (20mm)	5/16" (7.9mm)	6.7 oz. (190g)
RF1574-0605	3/16"	5/16" UNF*	3/8" (9.4mm)	7/16" (11.0mm)	8-5/8" (219mm)	11-3/16" (284mm)	25/32" (20mm)	5/16" (7.9mm)	6.9 oz. (196g)
RF1574-0606	3/16"	3/8" UNF*	13/32" (10.5mm)	7/16" (11.0mm)	9-13/32" (239mm)	12-9/16" (319mm)	7/8" (22mm)	3/8" (9.5mm)	10.6 oz. (301g)

* Unified National Fine

Breaking Loads
RF1574-0404 - 3,590 Lbs (1,630kg)
RF1575M0405 - 4,960 Lbs (2,250kg)
RF1574-0605 - 4,960 Lbs (2,250kg)
RF1574-0606 - 7,390 Lbs (3,350kg)

SKU

Model

QTY

00501815

Mfg# RF1574-0404

MAP Price: $79.95

00501820

Mfg# RF1575M0405

MAP Price: $87.95

00501825

Mfg# RF1574-0605

MAP Price: $95.95

00501830

Mfg# RF1574-0606

MAP Price: $107.95

Ronstan Sealoc Closed-Body Calibrated Turnbuckles - Stainless Steel

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Ronstan Sealoc Closed-Body Calibrated Turnbuckles - Stainless Steel

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