Skip to content Skip to navigation menu
No. 80 - 1" Pitch - Single - Bored to Size Sprocket

80BS12 1 3/8

No. 80 - 1" Pitch - Single - Bored to Size Sprocket
Item #100809585
  • 80 Chain Number
  • 1 Strand
  • 12 Teeth
  • 4.332 in Outside Diameter
  • 1.375 in Finished Bore
  • Without Hardened Teeth
+ Show More + Show Less
No. 80 - 1" Pitch - Single - Bored to Size 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
  • 80 Chain Number
  • 1 Strand
  • 12 Teeth
  • 4.332 in Outside Diameter
  • 1.375 in Finished Bore

features

  • Conforms to ANSI B29.1-1975 standards
Hardened Teeth Without Hardened Teeth
No. of Screws 2
Bore Type Bored to Size
Inch/Metric Inch
No. of Strands Across 1
Keyway w/Keyway & Set Screw
Keyway Size 5/16 x 5/32
Width Across Teeth 0.575 in
Hub Projection 1.05 in
Martin No. 80BS12
Pitch Diameter [Min] 3.864 in
Set Screw Size 5/16-18 X 5/16
Length Through Bore 1 5/8 in
No. of Teeth 12
Material Steel
Caliper Diameter 3.2387 in
Outside Dia. 4.3320 in
Sprocket Style B
Chain No. 80
Outside Dia. [Min] 4.3320 in
Hub Length Thru 1.05 in
Single Strand Tooth Thickness 0.575 in
Finished Bore 1 3/8 in
Chain Pitch 1 in
Pitch Diameter 3.864 in
Hub Dia. 3 1/8 in
Weight 3.0 LB
EAN or UPC 697950019604
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison