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1202 Hook coupling wrench

product properties

  • category:Wrench & Set
  • Product number:1570526495
  • Views:0
  • Release date:2020-03-04
  • Description
  • Performance
  • Technical

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The wrench is a commonly used installation and removal tool. It is a hand tool that uses the principle of leverage to turn bolts, screws, nuts and other threads to hold the openings or sleeves of bolts or nuts.This kind wrench is made from beryllium copper or aluminum bronze.

The wrench usually has openings or sleeve holes for holding bolts or nuts at one or both ends of the handle. When using the wrench, an external force is applied to the handle along the direction of thread rotation to turn the bolt or nut.


The material of non sparking tools: Al-Br(QAl11-4-4), Be-Cu(QBe2)


Be-Cu: the color is green lake,hardness is not less than HRC35,tensile strength δ b 105-120kgf/mm2;standard code GBEX ⅡC,suitable for hydrogen with concentration 21.0±2.0%.Beryllium copper alloy with anti-magnetic performance.


Al-Cu: the color is bluish yellow,hardness is not less than HRC25,tensile strength δ b 75-85/mm2;standard code GBEX ⅡB,suitable for ethylene with concentration 7.8±0.5%,GBEX ⅡA (propane 6.5±0.5%),Ⅰ(methane 6.5±0.5%)。


Non sparking tools of XIN DA are made of high strength copper alloy.This kind hand tools can effectively prevent burning and explosion accidents caused by friction and collision between tools and tools in the flammable and explosive workplace.The explosion-proof performance received the certificates according to the national standard GB10686-2003, with the function of high intensity and good toughness.


The products are widely used in petroleum,chemical industry,mining,gas,coal,oxygen-producing,pharmacy,smelting,powder,leather,airplane,marine engineering etc,suitable for warehouse that operate flammable and explosive products,electrolytic workshops,communication assembly workshops,and requires that the tools are not rusty,wear-resistant and anti-magnetic during the checking process.



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