Coupler Mounting Kit M12 × 90 (BKC-2-12-90)

Fasten unbraked trailer ball couplers securely through wider drawbar profiles with the Burquip Coupler Mounting Kit M12 × 90. Specifically calibrated to install standard 750 kg unbraked ball couplings and heavy-duty 2,700 kg unbraked couplers onto deeper chassis sections, this two-bolt Grade 8.8 high-tensile hardware set provides certified clamping power to resist dynamic towing stress, pitch bouncing, and sudden deceleration loads.

Key Features & Benefits:

• Grade 8.8 High-Tensile Steel: Engineered to absorb severe shear stress and cyclic towing loads without stretching, deforming, or fatiguing under road vibration.

• Matched Coupler Compatibility: Sized and rated for direct installation with the Burquip CUE0750 (750 kg unbraked ball coupler) and CUK2700 (2,700 kg heavy-duty unbraked coupler).

• Intermediate 90 mm Shank Length: Designed specifically for rectangular hollow section (RHS) or reinforced 60–75 mm drawbar tongues where standard 75 mm bolts are too short to achieve full thread engagement.

• Vibration-Proof Nyloc Retention: Includes matching high-tensile nyloc lock nuts and heavy flat washers to prevent backing off on corrugated gravel tracks and uneven surfaces.

• Corrosion-Resistant Electroplated Finish: Finished with a protective zinc electroplate coating to withstand outdoor weathering, moisture, road grime, and salt spray.

Product Specifications:

• Component: Coupler Mounting Hardware Kit (Pack of 2)

• Brand: Burquip

• Thread Size / Diameter: M12 (12 mm metric coarse pitch)

• Bolt Length: 90 mm

• Steel Grade: Grade 8.8 High-Tensile Steel

• Finish: Electroplated / Zinc Plated

• Included Hardware: 2 × M12 × 90 mm High-Tensile Bolts, 2 × Nyloc Locking Nuts, Flat Washers

• Primary Compatibility:

  • Burquip CUE0750 (750 kg Unbraked Ball Coupler)

  • Burquip CUK2700 (2,700 kg Heavy-Duty Unbraked Coupler)

• Category: Coupling Device Accessories / Fastener Kits

• Application / Fitment: Utility Trailers, Caravans, Boat Trailers, Agricultural Equipment, Light Commercial Transporters