Striking spanner box ring offset wrench
USD $44 - $506 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
Striking spanner box ring offset wrench
1. Slogging box spanner Non sparking ring spanner
2.aluminum bronze material
3.die forged processing
4.own factory
5.ISO9001 certification
Specification:
Composition:
Beryllium copper: GBEx ⅡC Be: 1.8% - 2.3% Ni: 0.2% - 0.5% Others: < 0.5% Cu: Rest Hardness: 35-40 HRC (HB283-365) Tensile Strength: 1117 N/mm2 ~ 1326 N/mm2 |
Aluminum bronze: GBEx ⅡB Al: 10% - 12% Ni: 4% - 6% Fe+Mn: < 5.8% Cu: Rest Hardness: 20-30 HRC (HB229-291) Tensile Strength: 782 N/mm2 ~ 989 N/mm2 |