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Suncor Stainless Steel Grade S4 NACM Chain

The longest continuous length we have in stock is: 200  feet.
The maximum continuous length we normally order is:  275  feet.*

*We may be able to special order longer lengths.
Please call us at 800-628-8225 Or email customer service

Suncor Stainless Steel Grade S4 NACM Chain

  • Chain Size: 5/16", Working Load Limit: 2,400 lbs, Sold by: Foot
  • Material: 316 Stainless Steel, Finish: Polished
  • Application: Anchor / Windlass Chain Made to G4 Dimensions, NACM Specs
  • Item #: 
    Model #: 


    Shipping Weight: 
    0.80  Lbs / foot
    List Price: 
    Our Price:
    Status:    null In Stock

    Quantity : 
    Please note:
    Items Cut to Custom Lengths Are Not Returnable.

    Cut Length Chain that has a total weight of 140 lbs or more will ship by truck.
    A Defender representative will contact you with the quote before shipping.


    Suncor® Stainless Steel Grade S4 NACM Chain


    • Suncor's own S4 anchor chain is made to G4 dimensions and fits many standard U.S. windlasses*
    • Grade 43 HT (high test) chain made to NACM specifications with short links make chain more flexible and less likely to tangle in the chain locker
    • 316 Stainless steel with polished finish offers outstanding wear resistance and corrosion protection
    • Links are identified with an embossed "316" mark
    • Made in USA


    • Chain Type: Grade 43 Domestic High Test NACM (embossed "316")
    • Chain Trade Size: 5/16"
    • Working Load Limit: 2,400 lbs
    • Material: 316 Stainless steel
    • Finish: Polished
    • Sold by: Foot

    Note: *Check fit for windlass manufacturer's specifications before purchase. Not to be used for overhead lifting.


    Worldwide Enterprises Chain Grab Hook
    Item #: 001203
  • Chain Size: 5/16" (Not for BBB chain )
  • Function: Removes Load from Windlass after Anchor is Set
  • Working Load: 4700 lb, Sold individually
  •  Include
    Model #:
    Sea-Dog Quick Link
    Item #: 003369QLK516
  • Applications: Connecting 5/16" Chain Links, Length: 2-15/16"
  • Material: Formed Mild Steel Electro-Galvanized
  • Breaking Load: 7700 lbs, (1) per Package
  •  Include
    Model #:
    Worldwide Enterprises Eye to Eye Swivel
    Item #: 001469
  • Applications: 5/16" Chain
  • Material: Galvanized Eye & Eye (NOT Intended to Rotate under Load)
  • Working Load: 1,200 lbs, Swivels 360 Degrees
  •  Include
    Model #:
    Worldwide Enterprises Chain Link
    Item #: 001480
  • Designed for Connecting 5/16" Chain Links, Length: 1-3/4"
  • Material: Hot Dipped Galvanized Steel, Working Load 1900 Lbs.
  • (1) per Package
  •  Include
    Model #:
    Lewmar DTX Self Launching Delta Style Anchor - 22 Lbs
    Item #: 002994DTX022
  • * Approximate Boat Length: Power: 32 to 39 Feet, Sail: 34 to 41 Feet
  • Weight: 22 Lbs
  • Material: 316 Stainless Steel Construction
  •  Include
    Model #:
    Lewmar DTX Self Launching Delta Style Anchor - 35 Lbs
    Item #: 002994DTX035
  • * Approximate Boat Length: Power: 42 to 50 Feet, Sail: 44 to 52 Feet
  • Weight: 35 Lbs
  • Material: 316 Stainless Steel Construction
  •  Include
    Model #:

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