K&M Stands 21324.000.55 Adapter Bolt

Secure Connections for M20-Compatible Subwoofers and Stands
The K&M 21324 Adapter Bolt is a professional-grade accessory designed to bridge your speaker stands and subwoofers with precision. Built for systems utilizing a 35 mm tube and M20 threaded bush, this adapter allows a tight, stable, and vibration-resistant connection between a distance rod and a subwoofer pole mount. Whether you’re setting up PA gear for live sound or fine-tuning an installed rig, this component is a dependable link between your equipment.

Built to Support Audio and AV Rigging Systems
Designed for use with speaker setups that require an M20 threaded connection, the 21324 Adapter Bolt helps reduce wobble and rotational drift often found with non-threaded systems. The M20 thread ensures your sub-mounted speaker remains securely in place, even when used with heavier speaker loads. It’s an ideal solution for audio professionals needing greater stability in temporary or permanent installations.

Durable Aluminum Construction with Professional Finish
The adapter is made from rugged aluminum, selected for its lightweight strength and corrosion resistance. This material provides solid structural support while minimizing added weight to your setup. Finished in a clean black coating, the adapter blends seamlessly with most speaker stands and maintains a discreet, professional appearance on stage or in any presentation space.

Compact and Portable for Mobile Sound Professionals
With its straightforward, compact design, the 21324 is easy to pack with your mobile PA rig. Whether you’re a touring engineer or handling corporate AV setups, this adapter takes up minimal space but solves a key compatibility issue for modern speaker systems. It ensures quick and secure mounting without the hassle of carrying bulky custom adapters.

Made for High-Demand Audio Environments
Whether you're outfitting a concert venue, a conference stage, or a rehearsal space, this adapter bolt is ready to meet the demands of repeated use. Its high-precision threading and reliable materials make it a go-to solution for technicians and system integrators looking for lasting performance without compromise.

Trusted Manufacturing by K&M
König & Meyer (K&M) is known for quality engineering in stand and accessory design, and the 21324 is no exception. Produced in Germany under strict quality controls, it continues the brand’s legacy of producing practical, road-ready tools for professionals in sound, lighting, and broadcast environments.