51mm Thru-Deck High-Strength Block
Model #
359752
Mfg #
310
$141.99
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Harken 51mm Thru-Deck High-Strength Block allows lines through the deck and bulkhead.
Harken's Lightweight, low-friction blocks with high-load composite bearings carry wire halyards and control line cascades. Side-load balls reduce friction from twists or unfair leads on 304-311. 300-303 has thrust washers. Blocks open to allow passage of swaged wire. Hard Lube-anodized sheave for strength and corrosion resistance. Cheek blocks include fasteners.
Key Features
- Impregnated Hardkote anodized aluminum bearings
- Side-load carbon-black Delrin® washers
- Use for control lines
- Sheave Diameter: 2" (51 mm)
- Max. Wire Diameter: 3/16" (5 mm)
- Max. Working Load (MWL): 2000 lb. (907 kg)
- Breaking Load: 4000 lb. (1814 kg)
- Weight: 5.75 oz. (163 g)
Ball Bearings
Delrin
Becket
No Becket
Diameter
3/16 Inch or 5 mm
Direction
Any
Integral Cleat
No Integral Cleat
Mount Type
Mechanical Fasteners
Ratchet
Non Ratcheting
Safe Working Load
2000 Pounds
Type
Single Thru-Deck
Weight
5.75 Ounces
Sheave Diameter
50 mm
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