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40BS12HT-1/2 PITCH: #40 TEETH: 12HT Bore: 1/2 INCH

$18.07 Each


  • Typically ships in: 1 day
  • Weight: 0.4 lb
  • Free shipping on orders over $20

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Additional Description

These finished bore sprockets are hardened, shaft ready and come complete with keyways and setscrews. The keyways are on center line of the tooth. Bored to size sprockets with ½ inch bores and smaller are stocked with (2) setscrews only.
Material Steel Hub Outside Diameter 1.593 in.
Chain Number 40 Length thru Bore 0.875 in.
Chain Pitch 0.500 in. Hub Recessed For Chain Clearance Yes
Number of Chain Rows 1 Construction Detail Solid With Recess
Number of Teeth 12 Bore Type Bored To Size
Outside Diameter 2.166 in. Finished Bore Size 0.500 in.
Pitch Diameter 1.932 in. Set Screw Size .250-20X.250 in.
Single Strand Tooth Thickness 0.284 in. Set Screw Location 2ss, 0° & 90°
Hardened Teeth Yes Min Bore Size 0.500 in.
Hub Configuration B Max Bore Size 1.000 in.
Storage Dimension Length 2.563 in. Weight 0.40 lbs.
Storage Dimension Width 2.563 in. Individually Packaged Yes
Storage Dimension Height 0.938 in.


Number Of Teeth 12
Pitch 0.500 in.
Bore 1/2"
Material Steel
Outside Dia 2.166"
Teeth 12

Return policy

Item must be unused.

Item must be in it's original package.

Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult


Product's availability

State of California Proposition 65 Product Warning