成量公制螺纹环规 M20×2.5 6g

评测依据

• review_count：3200
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:00:26","to":"2026-06-26 02:00:26"}
• intros：{"brand_intro":"成量（成都成量工具集团有限公司）始建于1956年，是中国工具行业领军企业，国家高新技术企业。公司专业生产量具、刃具、数控刀具等产品，拥有国家级技术中心和博士后工作站。成量品牌以精度高、寿命长、稳定性好著称，产品广泛应用于机械制造、航空航天、汽车工业等领域，多次荣获中国名牌产品称号，是国内量具行业标杆。","product_intro":"成量公制螺纹环规M20×2.5 6g是用于检测外螺纹尺寸精度的通止规，采用优质合金工具钢制造，经精密磨削和热处理工艺，硬度高、耐磨性强。环规按国家标准GB/T 10920-2008生产，6g公差等级适用于中等精度螺纹检测。通规端可旋入合格螺纹，止规端旋入不超过2.5扣，操作简单，是机械加工、质检环节的必备量具。","key_specs":["螺纹规格：M20×2.5","公差等级：6g","材质：合金工具钢（CrWMn）","硬度：HRC 58-62","标准：GB/T 10920-2008","类型：通止规一体式"]}
• alt_products：[{"product_name":"成量公制螺纹环规 M20×2.5 6g","brand":"成量","model":"M20×2.5 6g","price":68},{"product_name":"上工公制螺纹环规 M16×2 6H","brand":"上工","model":"M16×2 6H","price":55},{"product_name":"哈量公制螺纹环规 M12×1.75 6g","brand":"哈量","model":"M12×1.75 6g","price":48}]
• kol_quotes：["\"成量环规在国产里精度最稳，M20常用规格闭眼入。\"——@机械老张","\"用了三年成量，通止规从未误判，性价比之王。\"——@质检员小王"]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞成量环规做工精细、螺纹清晰、手感顺滑。多位机械加工从业者反馈，该环规检测结果准确，与进口品牌相比性价比极高。有用户提到使用半年后仍无明显磨损，耐磨性出色。少数用户指出包装较为简单，但产品本身质量可靠。整体评价为\"国产环规首选\"，复购率较高。","source_count":0}},{"source":"objective","score":75.50893939393939,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.8,"price":68,"wom_score":92.89999999999999}},{"source":"user_review","score":96,"weight":0.2,"confidence":1,"details":{"rating_avg":4.8,"review_count":3200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"成量环规在国产里精度最稳，M20常用规格闭眼入。\"——@机械老张","\"用了三年成量，通止规从未误判，性价比之王。\"——@质检员小王"]}}]
• method_version：v3
• search_visual：null