双金属锯条选用了高抗疲劳强度的合金弹簧钢背材以及高硬度的高速钢齿材，具备了高耐磨性和高红硬性，锯齿不易断裂，使用寿命长等特点。Bimetal hacksaw blade are qualified for the features of high wearability&hardness,uneasy to break tooth,and long life ect with ally spring steel back in high antifatigue &HSS tooth in high hardness .

12"X1/2"X18T

12"X1/2"X24T

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