80B40-1-3/4" Finished Bore Sprocket With Keyway

Marsoni

M251S

$194.80

Get it in 3 business days with 1 day shipping. Friday, May 29

80B40-1-3/4" Finished Bore Sprocket With KeywayProduct Details : 80B40 1 3 4" Finished Bore Sprocket With Keyway Part No: 80B40 1 3 4 Product Type: FB (Finish Bore) ANSI Chain Size: 80 No. Of Teeth: 40 Shaft Diameter: 1 3 4" Pitch: 1" Pitch Diameter: 12. 745" Outside Diameter: 13. 310" Tooth Thickness: 0. 575" Hub Diameter: 4. 750" Length Thru Bore: 2" Square Key Width: 3 8" Square Key Depth: 3 16" No. Of Set Screws: 2 Set Screw Size: 3 8" Material(s): Carbon Steel Certifications: Manufactured

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These are very nice quality and durable. I purchased this for my daughter's friend. it is really nice with birth stone and initial, perfect for gift. Perfect chain length and clasp nicely. It does not look cheap, but also affordable. It came with small card you can write, which is really nice touch. It also came with beautiful box. Again, it is super nice gift for any occasion. It is suitable for all ages. I highly recommend.

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Reviewed in the United States on June 1, 2026

Verified Purchase

Melanie Cavanagh

Waukegan, US

★★★★★ 5

Birthstone necklace

Color: 06-June-Lab Grown Alexandrite, Style: B

Dainty and beautiful necklace. Nice gift

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Reviewed in the United States on December 26, 2025

Verified Purchase

Sarah C.

Whiting, US

★★★★★ 4

Cute

Color: 12-Dec-Lab Grown Tanzanite, Style: A.

Very cute but the purple looks blue.

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Reviewed in the United States on May 3, 2026

Verified Purchase

Mychelle

Fort Morgan, US

★★★★★ 3

Quality is Okay

Color: 11-Nov-Lab Grown Citrine, Style: H

I ordered this for a Christmas present and the pendents are very small. The price as good but didn't think the quality was great. It does come in a nice gift box.

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Reviewed in the United States on December 9, 2025