<\/p>\n
The folding ratchet sofa hinge manufactured and supplied by BLS Hardware are heavy-duty multi-angle joints engineered for adjustable sofa backrests, futon beds, and articulating headrests. Stamped in our Jinli, Guangdong source factory from 2.5mm carbon steel, these precision hinges eliminate gear slippage, frame sag, and joint looseness, providing quiet and stable angular locking across functional furniture collections.<\/p>\n
<\/p>\n
Within the integrated BLS manufacturing framework, upholstery producers combine this multi-gear folding ratchet sofa hinge alongside high-load metal sofa legs<\/a> and precision interlocking sofa connector hardware<\/a> to build ergonomic modular suites. These articulation hinges also work synchronously with heavy-duty sofa bed hardware<\/a> in multi-functional convertible daybeds.<\/p>\n <\/p>\n <\/p>\n <\/p>\nKey Features of the Folding Ratchet Sofa Hinge<\/h2>\n
\n
\n\n
\n Parameter<\/th>\n Engineering Specification<\/th>\n<\/tr>\n \n Product Name<\/td>\n Heavy-Duty Folding Ratchet Sofa Hinge<\/td>\n<\/tr>\n \n Material Grade<\/td>\n Q235 Cold-Rolled Carbon Steel<\/td>\n<\/tr>\n \n Plate Thickness<\/td>\n 2.5 mm Heavy-Duty Stamped Arm<\/td>\n<\/tr>\n \n Dimensional Tolerance<\/td>\n Precision Stamping Standard \u00b10.2 mm<\/td>\n<\/tr>\n \n Adjustment Positions<\/td>\n 5-Gear Ratchet (90\u00b0 to 180\u00b0)<\/td>\n<\/tr>\n \n Surface Plating<\/td>\n Bright Electro-Zinc Plating (White Zinc)<\/td>\n<\/tr>\n \n Corrosion Resistance<\/td>\n 24 to 48 Hours Neutral Salt Spray<\/td>\n<\/tr>\n \n Packaging Standard<\/td>\n 50 Pairs per Reinforced Export Carton<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n