Defender-Lok CRC 33mm CapFinder

Defender-Lok CRC 33mm CapFinder

Additional information

Closure Diameter
Bottle Finish
Closure Weight

4.3g (down from 6.4g standard)

Application/Fill Processes
Material Types

Key Performance Attributes

  • -33% weight reduction vs. legacy CRC
  • Seamless integration into existing capping lines
  • Certified child-resistant and senior-accessible
  • Liner agnostic – compatible for custom, foam, tri-foil, induction seal and pressure sensitive

Closure Details

Next Generation CRC Performance

A 33mm certified child-resistant closure that installs directly onto existing OTC packaging lines without changes. Defender-Lok™ is lightweight and senior-friendly, making it ideal for pharmaceutical brands seeking compliant, efficient, and sustainable packaging.

Optional details from gated content:

  • Certified precision: Built for demanding requirements, CSI is clean-room capable with in-house tooling and FSSC-22000 certified manufacturing.
  • Application Support Validation: on-site technical service, line audits, and commercialization support.
  • Continuous Innovation: In-house R&D, certified labs, and dedicated CRC development ensure Defender-Lok outperforms legacy designs and meets evolving regulatory standards.
  • Suitable for dry and liquid products
  • Available with sustainable PolyCycle® PCR resin

Total Closure & Capping Systems Solutions

In addition to precision made quality closures, CSI provides capping equipment and unparalleled customer and
technical service across the globe.

CSI’s closure systems solutions and ongoing innovation help our partners maximize profits by increasing the
marketability of their brands and optimizing their total cost of operations.

Talk to our support

CSI Regional Sales Offices

North America +1 (800) 311-2740

Mexico & Central America +52 (55) 5566-8445

Japan (Tokyo) +81 (3) 5511-0036

North America +1 (317) 390-5000