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Ronstan Series 60 Core Block, Mast Base, 8mm Clevis Pin
RONRF64108A - Ronstan Series 60 Core Block, Mast Base, 8mm Clevis Pin
    Code: RONRF64108A
    Original Price:$82.95
    Price: $72.21
    Quantity in Basket: None
    Imperial Metric
    Sheave Dia. 2 3/8" 60 mm
    Max. Rope Dia. 1/2" 12 mm
    Pin Dia. 1/4" 6 mm
    Maximun Working Load* 2200 lb 1000 kg
    Breaking Load* 4410 lb 2000 kg
    Weight 8.3 oz 235 g

    * Full block rated load can only be achieved with uniformly distributed load across full length of clevis pin. ie. 14 mm (9/16") diameter mast collar post or 14 mm (9/16") wide mast collar plate/tang.
    Blocks supplied with 8 mm clevis pin & split pin to suit a 14 mm post (not supplied).
    Product Description

    Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.

    • Class leading performance and sleek, contemporary styling.
    • Excellent dynamic and high static load performance.
    • Less than half the friction of the nearest competitor.
    • Durable aluminium alloy cheek plates.
    • Central hub hole can be used as a becket take-off or tie-up point.
    • Suits attachment to 14 mm (9/16") wide mast collar post.
    • Removable 8 mm (5/16") clevis pin at head.
    • Sheave: U.V. stabilised acetal or anodised aluminium (AW models).
    • Cheek plates: Aluminium alloy.
    • Ball Bearings: High compression strength carbon black acetal.
    • Shackle, post & hub: Grade 316 stainless steel.

    Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 12 m (40 ft), various control line applications on larger yachts, alloy sheave models are available for use with wire.

    Part Number: RF64108A

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