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  • Sprockets for Top Chains

Sprockets for BTC(M)8H-M Chain

Steel sprockets designed for WTM2535G-M/BTC8H-M/BTM8H-M/TTUPS-H Plastic Modular Chains.

  • We offer a line-up of 12T and 16T models.
  • We offer a line-up of sprockets with pilot bores, several bore diameters, and keyway finishing as standard items.
Sprockets for BTC(M)8H-M Chain

1. Line-up

Bore/Keyway Finishing Type

Type Solid Sprockets
Model no. BT8H-12T25-CS BT8H-12T30-CS BT8H-16T30-CS
Applicable chains WTM2535G-M/BTC8H-M/BTM8H-M/TTUPS-H
Shape BT8H-12T25-CS BT8H-12T30-CS BT8H-16T30-CS
Material Machine-structural carbon steel
No. of teeth 12 16
Bore diameter φ25 φ30
  • The teeth of all models are not hardened.
  • Cannot be used with WT2505 Series and BTM8H (wide type).
  • Sprockets can be also manufactured with other numbers of teeth and materials than noted above.
  • Set screws are not included.
  • Use a cold finished carbon steel bar for the shaft.

Pilot Bore Type

Type Solid Sprockets
Model no. BT8H-12T-CS BT8H-16T-CS
Applicable chains WTM2535G-M/BTC8H-M/BTM8H-M/TTUPS-H
Shape BT8H-12T-CS BT8H-16T-CS
Material Machine-structural carbon steel
No. of teeth 12 16
Bore diameter Pilot bore: φ15, Max. φ30 Pilot bore: φ15, Max. φ50
  • The teeth of all models are not hardened.
  • Maximum bore diameter represents the general case. Bore diameters and key/keyway contact stress should be determined based on general mechanical design.
  • Cannot be used with WT2505 (including M and G-M types), WT2506, or BTM8H (wide type).
  • Sprockets can be also manufactured with other numbers of teeth and materials than noted above.
  • Use a cold finished carbon steel bar for the shaft.

2. Model Numbering Example

BT8H - 12T 30 - CS
(1) (2) (3) (4)
  1. (1) Type
  2. (2) No. of teeth: 12T = 12, 16T = 16
  3. (3) Bore diameter: mm Blank = Pilot bore, 25=φ25, 30=φ30,
  4. (4) Materail: Carbon steel