
Southco® ST-12C counterbalanced position control hinges
The new Southco® ST-12C counterbalanced position control hinges, available across a range of torque values, provide a more refined solution for positioning heavier objects than traditional friction-fit hinges or intrusive gas struts or stays. They are a highly desirable option for OEM use because they require no adjustments, fit in minimal space, and easily integrate into aesthetic product designs. An integral counterbalancing spring allows heavier panels to be positioned with ease. And, Southco’s constant torque technology holds panels steady in any desired position throughout the full range of motion.
Key Product Features and Benefits
- Counterbalanced positioning hinges provide fingertip positioning convenience and maintain consistent performance that is unaffected by temperature shifts or loss of holding ability over time ·
- Integral spring assists in lifting and holding heavier objects, reducing the required operator effort and making objects feel lighter to the user
- The constant-torque function holds objects at a desired position, without additional support hardware ·
- Provides repetitive cycle performance (over 20,000 cycles) within + 20% of static torque specification
- Durable zinc alloy housing, plus hardened steel shaft, pin, and torque elements, enhance long-term reliability ·
- Multiple torque, hinge-mounting, and range-of-motion options, provide versatility for adapting to a wide range of design and mounting requirements ·
- The ability to integrate hinge into molded product housing enhances industrial design for optimum aesthetics
Available Options
- Available in four high-torque levels – 20, 28, 36, and 44 in. lbf. – enabling users to match counterbalancing forces to the weight of the object to be positioned
- Hinges available with higher torque value specified for either direction of rotation * Hinges are ordered with adapter angle specified in one of four starting positions; each able to rotate + 90o from initial hinge position
As the only standard position-control hinge to offer counterbalance capabilities, the ST-12C brings the refined feel of counterbalance operation to applications of every size.
Read more about southco’s ST-12C counterbalanced position control hinges .





