SquareCable SPK Clamp | Speaker Pole & Tripod, 1.375-1.5in Tube - 165lb SWL | Sub Pole M8 Mini Clamp

Square Cable SPK-Clamp  (SquareCable 1.5in Gravity Stand Clamp)

Speaker & Lighting Stand Clamp

The SquareCable SPK Clamp is a compact aluminum mounting clamp designed to grip 1-3/8" to 1-1/2" (35-40mm) tubing commonly used with speaker stands, lighting stands, and compatible stage hardware. Its oversized wing knob provides fast, tool-free tightening, while the M8 mounting bolt provides a secure attachment point for compatible fixtures and accessories.

SquareCable SPK Clamp Competitive Differences

• Fits 1-3/8" to 1-1/2" (35-40mm) tubing for versatile stand and mounting applications
• 165 lb Safe Working Load for demanding stage and production setups
• High-strength 6061-T6 aluminum construction combines durability with low weight
• Integrated oversized wing knob allows fast, tool-free tightening and adjustment
• M8 hex bolt provides a secure mounting point for compatible lighting fixtures and accessories
• TÜV approved for professional load-bearing applications

SquareCable SPK Clamp Description

Built for mobile DJs, lighting technicians, production companies, venues, and installers, the SquareCable SPK Clamp provides a compact way to add a secure mounting point to compatible 35-40mm tubing. Its 1.2" (30mm) clamp width keeps the hardware compact while providing a firm grip for stage and event applications.

The clamp is manufactured from high-strength 6061-T6 aluminum with a black finish for a durable, stage-ready appearance. An integrated oversized wing knob makes tightening and repositioning quick without requiring separate tools, helping reduce setup and teardown time.

An M8 hex bolt provides mounting hardware for compatible fixtures and accessories, while the 165 lb (74.8 kg) Safe Working Load supports demanding production applications when properly installed. Its combination of compact size, tube compatibility, and tool-free operation makes it useful for speaker stands, lighting stands, staging systems, and other compatible 35-40mm mounting tubes.

SPK Clamp Features

• Fits 1-3/8" to 1-1/2" (35-40mm) tubing
• 1.2" (30mm) clamp width
• High-strength 6061-T6 aluminum construction
• Durable black finish
• Integrated oversized wing knob for tool-free tightening
• M8 hex mounting bolt
• Designed to minimize movement when properly tightened
• 165 lb Safe Working Load
• TÜV approved for professional load-bearing applications
• Suitable for compatible speaker stands, lighting stands, stage hardware, and mounting accessories

SPK Clamp Specifications

• Tube Compatibility: 1-3/8" to 1-1/2" (35-40mm)
• Clamp Width: 1.2" (30mm)
• Safe Working Load: 165 lb (74.8 kg)
• Material: 6061-T6 Aluminum
• Finish: Black
• Mounting Hardware: M8 Hex Bolt
• Tightening Mechanism: Integrated Wing Knob
• Certification: TÜV Approved
• Shipping Dimensions: 3.00 x 3.00 x 2.00 in (76.2 x 76.2 x 50.8 mm)
• Shipping Weight: 0.80 lb (0.36 kg)

What's In The Box

• SquareCable SPK Clamp