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Surface Treated Roller Chain

Surface treatment has been made on the standard steel chain to improve its aesthetics and add corrosion-resistance. Please select appropriate surface-treated chains for your applications requiring environment resistance.


Rustop (N): All parts are plated with special nickel.

DC coat (DC): The surface is treated with baked special film. Its color is mat silver white.

BC coat (BC): All parts have undergone a special mechanical surface treatment. Its color is mat dark gray. Meets RoHS directive.

DG coat (DG): All parts are treated with special coat and top coat. Meets RoHS directive.

Chain number: KCM 40, 50, 60, 80, 2040, 2050, 2060, 2080, 2080H

Products in the Surface Treated Roller Chain

KCM 2080H

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 10.69 (1,090)

BC coat“ BC" kN (kgf): 10.69 (1,090)

DG coat“ DG" kN (kgf): 10.69 (1,090)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 1.77 (180)

Strengthened“ AS" kN (kgf): 2.65 (270)


Max. Allowable Load of Std steel Chains kN (kgf): 10.69 (1,090)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 2050

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 4.31 ( 440)

BC coat“ BC" kN (kgf): 4.31 (440)

DG coat“ DG" kN (kgf): 4.31 (440)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 0.69 (70)

Strengthened“ AS" kN (kgf): 1.03 (105)


Max. Allowable Load of Std steel Chains kN (kgf): 4.31 (440)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 2060

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 6.28 (640)

BC coat“ BC" kN (kgf): 6.28 (640)

DG coat“ DG" kN (kgf): 6.28 (640)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 1.03 (105)

Strengthened“ AS" kN (kgf): 1.57 (160)


Max. Allowable Load of Std steel Chains kN (kgf): 6.28 (640)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 2040

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 2.65 (270)

BC coat“ BC" kN (kgf): 2.65 (270)

DG coat“ DG" kN (kgf): 2.65 (270)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 0.44 (45)

Strengthened“ AS" kN (kgf): 0.69 (70)


Max. Allowable Load of Std steel Chains kN (kgf): 2.65 (270)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 2060H

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 6.28 (640)

BC coat“ BC" kN (kgf): 6.28 (640)

DG coat“ DG" kN (kgf): 6.28 (640)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 1.03 (105)

Strengthened“ AS" kN (kgf): 1.57 (160)


Max. Allowable Load of Std steel Chains kN (kgf): 6.28 (640)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 2080

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 10.69 (1,090)

BC coat“ BC" kN (kgf): 10.69 (1,090)

DG coat“ DG" kN (kgf): 10.69 (1,090)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 1.77 (180)

Strengthened“ AS" kN (kgf): 2.65 (270)


Max. Allowable Load of Std steel Chains kN (kgf): 10.69 (1,090)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 100

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 19.12(1,950)

BC coat“ BC" kN (kgf): 22.56(2,300)

DG coat“ DG" kN (kgf): 22.56(2,300)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 2.55(260)

Strengthened“ AS" kN (kgf): ―


Max. Allowable Load of Std steel Chains kN (kgf): 22.56(2,300)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 60

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 7.26 (740)

BC coat“ BC" kN (kgf): 8.83 (900)

DG coat“ DG" kN (kgf): 8.83 (900)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 1.03 (105)

Strengthened“ AS" kN (kgf): 1.57 (160)


Max. Allowable Load of Std steel Chains kN (kgf): 8.83 (900)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 40

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 3.04 (310)

BC coat“ BC" kN (kgf): 3.63 (370)

DG coat“ DG" kN (kgf): 3.63 (370)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 0.44 (45)

Strengthened“ AS" kN (kgf): 0.69 (70)


Max. Allowable Load of Std steel Chains kN (kgf): 3.63 (370)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 50

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 5.39 (550)

BC coat“ BC" kN (kgf): 6.37 (650)

DG coat“ DG" kN (kgf): 6.37 (650)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 0.69 (70)

Strengthened“ AS" kN (kgf): 1.03 (105)


Max. Allowable Load of Std steel Chains kN (kgf): 6.37 (650)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.
KCM 80

Max. Allowable Load of Surface-Treated Chains

Rustop“ N" kN (kgf): 12.70 (1,300)

BC coat“ BC" kN (kgf): 14.71 (1,500)

DG coat“ DG" kN (kgf): 14.71 (1,500)


Max. Allowable Load of SS Chains

Standard“ SS" kN (kgf): 1.77 (180)

Strengthened“ AS" kN (kgf): 2.65 (270)


Max. Allowable Load of Std steel Chains kN (kgf): 14.71 (1,500)

    Material properties
  • Dimensions of surface-treated chains are the same as those of standard steel chains.
  • Connecting links of BC coat chains are split pin type.
  • Surface-treated chain can be used in place of most standard steel chains and chains with attachments.

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