Skip to content Skip to navigation menu
No. 25 - 1/4" Pitch - Single - Plain Stock Bore Sprocket

25B12

No. 25 - 1/4" Pitch - Single - Plain Stock Bore Sprocket
Item #100806437
  • 25 Chain Number
  • 1 Strand
  • 12 Teeth
  • Without Hardened Teeth
  • B Sprocket Style
  • 0.25 in Minimum Bore
  • 0.38 in Maximum Bore
+ Show More + Show Less
No. 25 - 1/4" Pitch - Single - Plain Stock Bore Sprocket
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    Shipment Options
  • 25 Chain Number
  • 1 Strand
  • 12 Teeth
  • Without Hardened Teeth
  • B Sprocket Style

features

  • Tolerances meet or exceed ANSI standards
  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Bores are concentric to pitch line, minimizing run out
No. of Strands Across 1
Bore Size [Max] 0.375 in
Pitch Diameter 0.970 in
Width Across Teeth 0.11 in
Chain Pitch 0.250 in
Construction Internal Solid
Chain No. 25
Bore Range [Min] 1/4 in
Bore Size [Min] 0.25 in
Series B
Single Strand Tooth Thickness 0.11 in
Pitch Diameter [Min] 0.970 in
Sprocket Style B
Bore Range [Max] 0.3800 in
Finished Bore Size 0.25 in
Martin No. 25B12
No. of Teeth 12
Pitch Dia. 0.966 in
Hub O.D. 0.625 in
Outside Dia. [Min] 1.0800 in
Length Through Bore 0.5 in
Bushing Bore Size [Max] 0.375 in
Bore Type Finished Bore
O.D. 1.083 in
Chain Sprocket Pitch 0.25 in
Material Steel
Hub Dia. 0.63 in
Material External Use Steel
No. of Teeth Rows Strands 1
Chain Sprocket Number 25
Material Internal Use Atomized Metals
Inch/Metric Inch
Hub Projection 0.39 in
Bushing Bore [Min] 0.25 in
Bushing Bore Size [Min] 0.25 in
Hardened Teeth Without Hardened Teeth
Stock Bore Size 0.250 in
Bore Style Minimum Bore
Outside Dia. 1.0800 in
Caliper Diameter 0.84 in
Weight 0.06 LB
EAN or UPC 697950000305
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison