Metric MOD 1.25 Stainless Steel Spur Gears

  • Standard : to DIN 867, DIN 3962, DIN 3963, Grade/Quality 9 or Equivalent
  • Standard tolerances, unless otherwise stated ±0.25mm.
  • All dimensions in mm
  • Stainless Steel AISI 303/304

Bore size is subject to change from table below.

These gears are supplied with a pilot bore that can be machined out to a larger accurate diameter (subject to boss size) although many users find the pilot bore quite acceptable. Custom machining of stainless steel gears is not available from Gears and Sprockets.

 All dimensions subject to change, if a dimension is critical to your application, please contact us for confirmation.

Part No. Code Type No. of Teeth Pitch Ø dp Bore Ø H8 Hub/Boss Ø dm Outside Ø de O/A Width A Face Width B
7701-920 STS12.5/12B* B 12 15 8 17.5 17.5 20 8
7701-921 STS12.5/24B* B 24 30 8 15 32.5 20 8
* STS12.5/12B is a hobbed type pinion with 8mm face width , then cutter runout. Both STS12.5/12B and /24B come with 3 mm fixing /cross hole through the boss.
34.22 (41.07 UK, incl VAT)
7701-920
S/S Spur Gear Mod 1.25 12T, With Hub. For dimensions and product description, click button below. We source our special order products from the largest...
Currently unavailable from our Rugby Warehouse
Shipped from main distribution depot
Typically dispatched in 2-5 days
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32.58 (39.09 UK, incl VAT)
7701-921
S/S Spur Gear Mod 1.25 24T, With Hub. For dimensions and product description, click button below. We source our special order products from the largest...
Currently unavailable from our Rugby Warehouse
Shipped from main distribution depot
Typically dispatched in 2-5 days
+