Antispark box-end wrench 164 series

copperbronzealuminum

Striking Box Bent Wrench/NO.164 Brand:X-Spark Material: Aluminum Bronze/Beryllium Copper Parameters: 1.Item:Aluminium Bronze/Beryllium Copper 2.Composition:Al:10~12% / Be:1.5~1.7% 1.8~2.3% Ni:4~6% / Co+Ni:over 0.2% Fe+Mn:below 5.8% / Co+Ni+Fe:below 1.2% Cu+Al+Ni+Fe+Mn:over 99.0% /Cu+Be+Co+Ni+Fe:over 99.0% 3.Hardness(Brinell):221~291 / 283~365 4.Extensibility:δ≥5% / δ≤1.0% 5.Breaking:782 N/mm 2~989 N/mm 2 , 1117 N/mm 2~1326 N/ mm 2 6.Elasticity Limit:450 N/mm 2 ~550 N/mm 2 , 840 N/mm 2 ~880 N/mm 2 7.Elec Resistance（Ω）:8~12 / 8~6 8.Dilatation Coefficient:0.000015% / 0.000012% 9.Density Weight:8.10 g/cm 3 , 8.60 g/cm 3 10.Magnetic:1.2 / 0 Design Features: 1.Non Spark/Non Magnetic 2.Q/ZBF-164 3.Die forged：Beautiful appearance, high density, super strong, durable Specification: 24 mm,27 mm,41 mm,55 mm,70 mm,etc. Application: 1.Aluminum bronze tools suitable for concentration of homework 7.8% ethylene. 2.Beryllium bronze explosion-proof tools suitable for concentration of homework 21% hydrogen. 3.Used to tighten or loosen large bolts and nuts,the bent head are suitable for use where space is narow or deep concavity. 4.Safety tools is widely used in oil and gas works,mines,airports,armed forces and in a explosive and flammable place. We have got GS, FM ,UKAS ,ISO 9001 and ISO 14001 Certificates and registered the safety tool brand X-Spark in the European Union, Singapore, Japan ,Russia and other countries. We guarantee all the safety tools we manufactured are 100% qualified and backed by Lifetime.