Specification Parameter
Brand DongCheng
Series / Model DG Series
Product Type Deep Offset Double Ring Spanner Set
Total Piece Count 8 Pcs Set (16 Sizing Variations)
Size Range 6 mm – 22 mm Metric
Included Sizes (8 Pcs) 6x7mm, 8x9mm, 10x11mm, 12x13mm, 14x15mm, 16x17mm, 18x19mm, 20x22mm
Ring End Geometry 75° Deep Cranked Offset, 12-Point (Bi-Hex) Box Profile
Material Construction Drop-Forged & Heat-Treated High-Grade Alloy Steel
Surface Finish Matte Chrome Plated with Fine Polished Ring Interiors
Best Used For Automotive Engine Compartments, Suspension Bolts, Recessed Machinery Fasteners & High-Torque Mechanical Assemblies

 

  • Deep 75-Degree Cranked Offset Design: Angled neck profile lifts user hands clear of obstructions, preventing skinned knuckles while accessing deeply recessed bolts.

  • Full-Perimeter 12-Point Box Ends: Precision-broached bi-hex rings distribute high rotational torque evenly across fastener flats, preventing corner rounding under load.

  • Continuous 16-Size Metric Range (6–22mm): 8-piece dual-ended set includes 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, and 20x22mm to handle varied mechanical assemblies.

  • Drop-Forged & Heat-Treated Alloy Steel: Solid forged body architecture provides superior tensile yield strength and resistance to bending under severe manual leverage.

  • Fine Polished Rings with Matte Chrome Plating: Anti-glare satin finish protects against rust, resists shop solvents, and wipes clean easily in professional automotive bays across Nepal.

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