🔩 Black Flange Rigid Shaft Coupling 6/8/10/12mm Coupler Collar Clamp Motor Joint

This high-performance black flange rigid shaft coupling is constructed from heat-treated and hardened 45# carbon steel with black anodized rust-proof surface treatment. Designed with 6mm, 8mm, 10mm, 12mm bore sizes, it features side-mounted set screw tightening and comes with a matching installation wrench, ideal for medium to heavy load precision transmission applications.

Black Flange Rigid Shaft Coupling - Front View Black Flange Coupling Side View Close-up of Black Flange Coupling Structure Black Flange Coupling for Motor Shaft & Precision Transmission

Black Flange Rigid Shaft Coupling Key Features & Benefits

📊 Technical Specifications for this Black Flange Coupling

Product Name Black Flange Rigid Shaft Coupling / Motor Joint Clamp
Material 45# Carbon Steel (Heat-Treated & Hardened)
Surface Treatment Black Anodized (Black Oxide Film, Rust-Proof)
Shaft Bore Diameter 6mm, 8mm, 10mm, 12mm
Hardness HRC 35-40
Mounting Type Side-Mounted Set Screw Tightening
Accessories 1 x Matching Installation Wrench (Included)
Application Medium/Heavy Load Equipment, Precision Positioning Systems, Motor Shaft Connection, Mechanical Transmission

❓ Frequently Asked Questions about our Black Flange Couplings

🔍 What material and hardness is this coupling?

It is made of heat-treated and hardened 45# carbon steel, with a hardness of HRC35-40, designed for medium to heavy load mechanical applications.

📐 What bore sizes are available?

We offer 4 standard bore diameters: 6mm, 8mm, 10mm, and 12mm, all with H7 precision tolerance for stable shaft fitting.

🔧 Does it include installation tools?

Yes, each black flange coupling comes with one matching installation wrench for direct assembly, no additional tools required.

⚙️ Is this suitable for precision applications?

Absolutely! It features a backlash-free rigid design and H7 tolerance shaft hole, making it perfect for high-precision positioning and transmission systems.

💎 Why Choose Our Premium Black Flange Rigid Shaft Couplings?

Our industrial-grade black flange rigid shaft couplings are built with heat-treated 45# carbon steel (HRC35-40 hardness) for exceptional strength and load capacity. The black anodized surface provides reliable rust protection, while the H7 tolerance shaft hole and backlash-free design ensure precision, wobble-free transmission. Available in 6/8/10/12mm bore sizes with a free installation wrench included, this dual-function coupling delivers stable performance for medium/heavy load equipment and precision mechanical systems.