Unknown ANSI 40 Roller Chain Connection Offset Link ANSI 40 Lot of 7

ANSI #40 offset (half) links designed for adjusting roller‑chain length by a single pitch. These links allow odd‑numbered chain lengths, tension correction, and repairs in conveyors, industrial drives, agricultural equipment, and general machinery. Heat‑treated carbon/alloy steel construction provides durability and smooth operation. [nitrochain.com], [farmchains.com]
Technical Specifications:
Chain Size: ANSI #40
Link Type: Offset link (half link / crank link)
Pitch (P): 0.500 in (1/2")
Inner Width (b1) / Roller Width: 0.312–0.313 in (nominal)
Roller Diameter: approx. 0.312 in
Pin Diameter: approx. 0.156 in
Link Plate Height: approx. 0.475 in (varies by manufacturer)
Link Plate Thickness: approx. 0.06–0.125 in (manufacturer variation)
Material: Carbon steel (heat‑treated; some variants alloy steel)
Standards: ANSI B29.1 compliant
Function: Used to add half‑link for odd chain lengths; not recommended for highest‑load points
Country of Manufacture: Japan Please review pictures carefully and let us know if you have any questions!