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51mm Thru-Deck High-Strength Block

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HARKEN 310 51mm Thru-Deck High-Strength Block

Item #: 310 by HARKEN

Brand: HARKEN

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$67.02

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WARNING: This Product May Contain Chemicals Known to the State of California to Cause Cancer or Reproductive Harm. To Learn More Visit P65Warnings.ca.gov
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)

Diameter

3/16 Inch or 5 mm

Type

Single Thru-Deck

Weight

5.75 Ounces

Direction

Any

Safe Working Load

2000 Pounds

Mount Type

Mechanical Fasteners

Ball Bearing

Delrin

Becket

No Becket

Integral Cleat

No Integral Cleat

Ratchet

Non Ratcheting

Sheave Diameter

50 mm

Product Overview
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.