B Type Necks (B40, B50, B70)

Alias: B-type necks | Type B metal can necks | Tinplate neck fittings | B40/B50/B70 neck components

Product Introduction

B Type Necks are specialized components designed exclusively for Metal Squeeze Caps, precision-stamped from high-quality tinplate for superior durability. These necks can be effortlessly riveted to metal can tops, and the rivet area features built-in sealing glue to ensure 100% leak-proof performance, effectively protecting the integrity of liquids inside metal cans (such as oil, chemicals, and food products).

Model	B40、B50、B70
Diameter	40mm, 50mm, and 70mm (corresponding to B40/B50/B70 models)
Coating	Standard: double-sided 5.6g/cm² tin plating; optional anti-rust coating available upon request
Inner diameter	B40: 32.5mm inner diameter; B50: 40mm inner diameter; B70: 59mm inner diameter
Application	Various types of liquid tank packaging (high-end products such as oil, chemical, food, etc.)