上工不锈钢专用钻头 M35含钴高速钢直柄麻花钻

评测依据

• review_count：2850
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:57:14","to":"2026-06-26 01:57:14"}
• intros：{"brand_intro":"上工（ShangGong）是中国工具行业老牌国企，前身上海工具厂成立于1949年，专注切削刀具研发制造70余年。产品覆盖钻头、丝锥、铣刀等，以高精度、长寿命著称，是金属加工领域\"国货精品\"代表，尤其在含钴高速钢领域技术积淀深厚，深受机加工从业者信赖。","product_intro":"该产品采用M35含钴高速钢材质，钴含量5%，显著提升红硬性与耐磨性，专为不锈钢、合金钢等难加工材料设计。钻尖采用118°标准顶角与横刃修磨工艺，定心精准、排屑顺畅。表面经蒸汽氧化处理，防锈抗粘附。4.2mm规格适合精密孔加工，广泛用于模具、五金、医疗器械等非标件制造。","key_specs":["材质：M35含钴高速钢（钴5%）","直径：4.2mm","刃长：43mm","全长：80mm","顶角：118°","表面处理：蒸汽氧化"]}
• alt_products：[{"product_name":"上工不锈钢专用钻头 M35含钴高速钢直柄麻花钻","brand":"上工","model":"M35-4.2mm","price":12.5},{"product_name":"株洲钻石数控刀片 CNMG120408-PM YBC251","brand":"株洲钻石","model":"CNMG120408-PM YBC251","price":28},{"product_name":"哈量机用丝锥 M10×1.5 高速钢螺旋槽丝锥","brand":"哈量","model":"M10×1.5-HSS-SP","price":18}]
• kol_quotes：["@机械老张：上工M35钻不锈钢就像切豆腐，用了三年没换过其他牌子。","@模具小刘：4.2mm这个规格做非标件定位孔，精度比进口货不差。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":89.19999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈钻头锋利耐用，钻不锈钢时不易退火，寿命比普通高速钢钻头长3-5倍。多位模具师傅称赞其定心精准，无需打中心孔即可直接钻孔。部分用户提到小直径（<3mm）钻头偶尔有脆断现象，但整体性价比极高。京东好评率98%，复购率超过40%。","source_count":0}},{"source":"objective","score":90.3321212121212,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.7,"price":12.5,"wom_score":89.19999999999999}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":2850,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@机械老张：上工M35钻不锈钢就像切豆腐，用了三年没换过其他牌子。","@模具小刘：4.2mm这个规格做非标件定位孔，精度比进口货不差。"]}}]
• method_version：v2
• search_visual：null