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破窗锤头应选用碳化钨（钨钢）尖头，硬度达HRC70以上，远超普通钢材（HRC50左右），单点接触即可击碎钢化玻璃；避免选择合金锤头或塑料镀层锤头

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Unverified钨钢锤头硬度高，针对钢化玻璃（侧窗）破碎效果好，但对前挡风夹层玻璃基本无法击穿，逃生应优先选择侧窗82% similar Unverified碳化钨尖头是破窗头的主流可靠材质，硬度远高于钢化玻璃，集中力道单点敲击车窗角落可有效破窗，与尖头设计配合是关键。79% similar

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