Ronstan 100mm Mast Base Core Block

Ronstan 100mm Mast Base Core Block
Item# RF104108A
Regular price: $199.94
Sale Price : $169.95

Product Description

Ronstan 100mm Mast Base Core Block

Features:

  • High dynamic and static load capacity

  • High load bearing system

  • Ball bearings to counteract side thrust loads

  • Class leading performance and sleek, contemporary styling

  • Durable aluminium alloy cheek plates

  • Central hub hole can be used as a becket take-off or tie-up point

  • Also available in Series 45, 60 & 75

  • 22mm (7/8") inside cheeks at head

  • Mount with 2 x 12mm (7/16") fasteners (not supplied)

  • Full block rated load can only be achieved with uniformly distributed load across full length of clevis pin. ie. 22mm (7/8") diameter mast collar post or 22mm (7/8") wide mast collar plate/tang

    Specifications:

  • Sheave - 4 in. (100mm)

  • Max. Rope - 3/4 in. (18mm)

  • Max. Cable - in (mm)

  • Pin - 1/2 in. (12mm)

  • M.W.L. - 7150*1 lb. (3250*1 kg)

  • B. L. - 16500*1 lb. (7500*1 kg)

  • Weight - 21.7 oz. (614 g)

    Applications:

  • Ideal for mainsheet, spinnaker sheet, vang, halyard and backstay applications on boats to 16m (53ft).

  • General applications on larger yachts.

    Materials:

  • Bearings: High compression strength, self-lubricating acetal

  • Head post: Grade 2205 stainless steel

  • Shackles: Grade 17-4PH stainless steel

  • Padeye: Grade 15-5PH stainless steel

  • Other fixtures: Grade 316 stainless steel