![10 Tooth 40 Chain 3/4 Bore, 3/16 Keyway, 5/16-18 Set Screw, "B" Sprocket 10 Tooth 40 Chain 3/4 Bore, 3/16 Keyway, 5/16-18 Set Screw, "B" Sprocket](https://cdn11.bigcommerce.com/s-dz8cplpgcq/images/stencil/290x360/products/455526/3086288/AZ_1919__1__55272.1716785213.jpg?c=2)
AZUSA
9 Tooth 40 41 420 Chain 11/16 Bore, No Keyway, 5/16-18 Set Screw, "B" Sprocket
PART NUMBER:
455097
Availability:
Ships same day if ordered before 12PM Eastern time.
In Stock Today:
4
Ships in:
Ships Today
$12.95
$11.66
(You save
$1.29
)
Made of case-hardened steel and hobbed teeth, "B" Type Sprockets have a hub on one side only. Unless otherwise noted, "B" type sprockets have two 5/16-18 set screws.
![](https://cdn11.bigcommerce.com/s-dz8cplpgcq/images/stencil/100x100/products/455097/3098479/AZ_2163__1__47866.1716798218.jpg?c=2)
9 Tooth 40 41 420 Chain 11/16 Bore, No Keyway, 5/16-18 Set Screw, "B" Sprocket
$12.95
$11.66
(You save
$1.29
)
Made of case-hardened steel and hobbed teeth, "B" Type Sprockets have a hub on one side only. Unless otherwise noted, "B" type sprockets have two 5/16-18 set screws.