Diamond American Standard Roller Chain Full Lock Spare (D20101)

The D20101 Full Lock Spare is a precision-engineered locking link built for use with 1¼-inch pitch Diamond D201 series single-strand roller chains. This full lock spare is essential for achieving a strong, reliable connection when assembling or maintaining heavy-duty roller chains in high-stress environments.

Crafted from high-grade materials, the D20101 offers outstanding tensile strength, vibration resistance, and wear durability—making it an excellent choice for industrial transmission systems, conveyor assemblies, and mechanical drives. Whether you’re installing a new chain or replacing worn components, this lock spare ensures a safe and seamless fit.

The locking mechanism is easy to install, providing a tight and consistent hold without compromising flexibility or chain alignment. It ensures minimal downtime during maintenance and maximizes operational uptime.

Key Features:

• Compatible with 1¼” pitch single-strand chains (D201 series)

• Provides secure and stable chain locking

• Ideal for heavy-duty mechanical and industrial use

• Built for durability, strength, and resistance to harsh conditions

• Supports quick and easy maintenance or system installation

For industrial-grade performance and chain reliability, the D20101 Full Lock Spare is a trusted choice in power transmission and conveyor applications.