Unverified90% confidenceDecision RuleTime unknown
承重墙/实心墙可用膨胀螺丝或钉挂，但空心砖墙、石膏板墙必须用无痕胶时单个相框重量≤500g，超过需用石膏板专用蝴蝶膨胀螺栓
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90%
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Unverified石膏板/空心砖墙不能直接打螺丝，必须用膨胀螺栓或空心墙锚栓（蝴蝶栓），单点承重才能达到3-5kg；实心砖墙直接塑料膨胀管即可92% similarUnverified空心砖墙/石膏板隔墙不能用普通膨胀螺栓（会松脱），需用专用石膏板锚栓（蝴蝶型/自攻型），单点承重通常≤5kg92% similarUnverified挂墙式框架的固定膨胀螺丝必须打在承重墙或实心砖墙，空心砖/轻质隔墙（石膏板、加气块）需用专用蝴蝶膨胀栓且总载荷降至标称值的1/3以下，否则墙体开裂脱落风险高91% similarUnverified打孔式收纳架需匹配膨胀螺丝与墙体：实心砖墙/混凝土墙用普通尼龙膨胀管即可承重≥15kg，空心砖或加气块墙需用专用蝴蝶型/中空膨胀螺丝，否则会松脱90% similar
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