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About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER16A wrench works on ER16 collet A type nut High Quali..
About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER16M wrench works on ER16 collet nut High Quality ER16..
About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER16UM wrench works on ER16 collet UM type nut High Qua..
About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER20A wrench works on ER20 collet A type nut High Quali..
About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER20M wrench works on ER20 collet nut High Quality ER20..
About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER20UM wrench works on ER20 collet UM type nut High Qua..
About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER25M wrench works on ER25 collet M type nut High Quali..
About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER25UM wrench works on ER25 collet UM type nut High Qua..
About this product 1.No damage to the collet nut with the spanner, no skidding, thus accidents won’t occur.2.Choose superior 42CrMo Ultra-high Strength Steel3. The head of spanner is black oxide finis..
About this product Apply to ER32UM NUT.The ER nut adopts open end or annular groove design. Fix accurately and avoid skidding.High quality medium carbon steel is adopted as materials of spanner head. ..
About this product 1. Material: 45#2. ER spanner heat treatment hardness: 40-45 HRC3. ER spanner appearance do sandblasting coating processing4. ER32UM wrench works on ER32 collet UM type nut High Qua..
About this product Apply to ER40UM NUT.The ER nut adopts open end or annular groove design. Fix accurately and avoid skidding.High quality medium carbon steel is adopted as materials of spanner head. ..