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Groz-Beckert

Three Groz-Beckert listings appear here in the 135x16 industrial needle family. Two explicitly identify an LR point and sizes 18/110 and 19/120. The size-22 listing needs separate point confirmation. Keep those distinctions visible rather than treating the collection as identical packs with different quantities.

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Confirm the complete designation

A useful order records system, size and point. The machine’s documentation establishes the system it accepts; the intended seam and thread guide the remaining choices. A listing that supplies only part of that information leaves a real question to resolve. Do not silently assign the LR designation to the size-22 offer because neighboring products display it. Read the selected package and ask the supplier when necessary.

Compare results on the intended seam

Use an appropriate confirmed combination on scrap from the actual hide, including any lining or reinforcement. Examine the visual stitch line and the holes as well as whether the thread passes cleanly. Changing point geometry can change the appearance of a leather seam, so keep a labeled reference sample when settling on a production setup. Avoid swapping several variables at once; otherwise you cannot tell which change helped. These needles belong to an industrial compatibility decision, not a household-machine upgrade. If your machine uses another system, find the correct system instead of attempting to make a similarly sized needle fit. Retain the original pack for reorder accuracy and troubleshooting.