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Diamond British Standard Triplex chain (D12003) – 12B3 – 3/4″Tx

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The Diamond British Standard Triplex Chain (D12003) is a high-performance triple-strand roller chain built for heavy-duty applications, offering exceptional durability, power transmission, and reliability under demanding conditions.

Product Highlights

  • Size ( Pitch x WIP ) (in mm): 19.05 x 11.68
  • Size ( Pitch x WIP ) (in inches): 3/4 x 7/16
  • Pitch(P): 19.05
  • Width Between Inner Plates (W) (Min): 11.68
  • Roller Dia (D) (Max): 12.07
  • Bearing Pin Dia (d) (Max): 5.72
  • Plate Height (H) (Max): 16.10
  • Width Over Bearing Pin (A) (Max): 61.70
  • Width Over Joints Fasteners (B) (Max): 66.30
  • Transverse Pitch (P1): 19.46
  • Projected Bearing Area Sq.cm: 2.64
  • Avg. Weight Per Metre (Kg): 3.32
  • Tensile Strength (Kgf) (Min): 8850
  • Check Mark Estimated Delivery : Up to 4 business days
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The Diamond British Standard Triplex Chain (D12003) is a robust, precision-engineered triple-strand roller chain that adheres to stringent British Standard (BS) specifications. Designed specifically for high-load and high-speed environments, this triplex chain provides superior tensile strength and stability across a wide range of industrial applications.

Its triple-strand (triplex) configuration allows for more efficient power transmission and greater resistance to fatigue, making it ideal for use in heavy machinery, conveyors, crushers, and other high-demand mechanical systems. The D12003 is crafted from premium-grade alloy steel and heat-treated for enhanced wear resistance, ensuring long service life with minimal maintenance.

With smooth operation and high-performance efficiency, the Diamond D12003 Triplex Chain is a trusted solution in industries such as manufacturing, mining, construction, and materials handling.

Key Features:

  • Triple-strand (Triplex) design for enhanced load capacity

  • Built to meet British Standard (BS) specifications

  • High-strength, wear-resistant alloy steel construction

  • Excellent fatigue resistance for prolonged operation

  • Ideal for heavy-duty industrial and mechanical applications

For professionals seeking durability and consistent performance, the D12003 triplex chain delivers reliable operation in even the toughest working conditions.

Size ( Pitch x WIP ) (in mm)

19.05 x 11.68

Size ( Pitch x WIP ) (in inches)

3/4 x 7/16

Pitch(P)

19.05

Width Between Inner Plates (W) (Min)

11.68

Roller Dia (D) (Max)

12.07

Bearing Pin Dia (d) (Max)

5.72

Plate Height (H) (Max)

16.10

Width Over Bearing Pin (A) (Max)

61.70

Width Over Joints Fasteners (B) (Max)

66.30

Transverse Pitch (P1)

19.46

Projected Bearing Area Sq.cm

2.64

Avg. Weight Per Metre (Kg)

3.32

Tensile Strength (Kgf) (Min)

8850

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