#thread-geometry

GPI/SPI continuous thread closure and bottle neck finish cross-section showing T, E, I, S, H dimensions and 400, 410, 415, 425, and 430 thread series

Bottle neck finishes

Continuous Thread Closure Dimensions: GPI/SPI 400, 410, 415 & 425 Specs

Specify continuous thread closure (CT closure neck finish) geometry: GPI thread finish 400 410 415 425 430 turns, T/E/I/S/H tolerances, L vs M threads, and torque.

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Bottle neck finishes

Bottle Neck Finish Compatibility: Drawings and Sample Checks

Compare the complete neck-finish designation and paired drawings, then check approved samples for seating, sealing and opening under the intended process.

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