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HKK Single Strand Heavy Series Connecting Link, Cottered

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Specifications for this item
Material Type
Carbon Steel
Size Name
6 Pitch, 1.250" Bore, 0.87" Face Width
Brand Name

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Key Features

  • Heavy Series cotter connecting link for use with single strand roller chains
  • Cold-forged solid construction for smooth running with no initial stretch and increased corrosion resistance
  • Solid rollers, link plates, and solid bushings are made of alloy steel and shot peened for added fatigue strength
  • Solid rollers, link plates, and solid bushings are shot peened for added fatigue strength
  • Lubricated to reduce peeling for prolonged chain life

Product Description

The Heavy Series cotter connecting link for use with single strand roller chains is suitable for a broad range of operational environments, including farm equipment, paper mills, and mining. It is manufactured of alloy steel with solid rollers, solid bushings, and through-hardened pins. Its cold-forged solid construction minimizes elongation and wear caused by friction, thereby extending the life of the chain.

HKK’s solid roller and bushing manufacturing process minimizes distortion under heavy loads and prevents foreign material from accumulating under the rollers, minimizing downtime and replacement costs. The chain’s bushings, rollers, and link plates are shot peened to reduce fatigue and resist adverse environmental conditions caused by temperature, dust, and moisture.

The Heavy Series roller chains and connecting links run on standard sprockets and meet ANSI B29.1 standards, making them dimensionally interchangeable with other ANSI chains. The link plate thickness on the Heavy Series chain is equal to that of the next larger chain size.

Roller chains are commonly used as a power transmission component and are composed of four parts: plate, roller, bush, and pin. A series of cylindrical rollers are held together by side links, which fit together into a toothed wheel called a sprocket. Connecting links are used to join the two ends of the chain together to form a loop. Roller chains range from simple, mechanical drives such as bicycle chains, to complex power transmission products that drive conveyors and other industrial machinery, such as printing presses and farm equipment.

HKK Chain manufactures roller chain for use in a variety of industries, including agriculture, mining, and construction. The company, founded in 1916 and headquartered in Pine Brook, NJ, makes its products in a company-owned facility in Tokyo.

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