Bottle threads determination
GL Threads
- Round threads at the flanks
- high pitch
- large flanks for important carrying power
- GL thread one-start thread
- GLS 80 thread three-start thread
GPI
- GPI = Glass Packaging Institute, trade association representing the North American glass container industry
- voluntary standards for compatibility of glass
- containers and closures
Measurement chart for thread determination
Use our size chart to determine the bottle thread.
