CLOSURES / LUG CAP PACKAGING

Metal Lug Caps — Twist-Off Jar Closures for Food Packaging

BPA-free metal lug caps for glass food jars across honey, jam, pickle, sauce, and condiment applications. Standard lug, twist-off, and deep lug closure types with hot-fill rated liners for pasteurized and acidic food products. Our lug cap program spans 43mm to 100mm diameters in tinplate and aluminum construction.

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Hualian Glass — Lug Caps | Wholesale Twist-Off Metal Jar Closures
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Find the Right Lug Cap for Your Jar Application

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Standard Lug Caps

Four-lug tinplate caps for standard glass food jars across honey, jam, pickle, and condiment categories. BPA-free plastisol liners rated for hot-fill applications. Available in 43mm, 48mm, 58mm, 63mm, 70mm, and 82mm diameters with custom printing.

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Twist-Off Metal Caps

Six-lug twist-off metal caps designed for vacuum-sealed food jars. Deeper lug engagement provides superior seal retention across temperature cycling and long-term shelf storage. Compatible with standard TO finish glass jars in 58-400, 63-400, 70-450, and 82-400 sizes.

Deep Lug Caps View 1
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Deep Lug Caps

Extended deep-lug metal closures for extra-large format food jars and commercial packing applications. The increased lug depth provides enhanced vacuum retention for high-acid pickles, fermented vegetables, and bulk condiment products.

Manufacturing Scope

Lug Cap Technical Specifications

Diameter Range43mm – 100mm
Lug Types4-Lug Standard, 6-Lug Twist-Off, Deep Lug
MaterialTinplate (ETP) / Aluminum
Liner OptionsPlastisol (BPA-Free), PE Foam, PVC-Free Compound
Hot Fill RatingYes — Rated to 95°C
PrintingOffset Printing up to 6 Colors, Matte/Gloss Varnish
MOQ200,000 units per SKU
ComplianceFDA 21 CFR, EU 1935/2004, LFGB, BPA-Free Liner, ISO 9001
Featured Models

Most Popular Wholesale Lug Caps

Seal It Fresh

From honey to pickles, our metal lug caps deliver the vacuum seal and shelf appeal your food brand demands. Share your jar neck diameter, liner requirement, and label design for a fast quotation.

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