best Atlas Copco drill pipe

Specification: 1.Outside Diameter:60.76.89.114.127.140.168.mm 2.Wall Thickness:9-45mm 3.Materail:alloy steel 4.Usage: water well drilling,mining,oil drilling,building,machinery,traffic 5. Method:cold drawn,hot rolled or hot expand 6.Long service life 7.High quality and best price Standard: 1.ASTM A106 GR B,ASTM A53. GR B,ASTM A178 GR C,ASTM A1045 ,A210C,J55 2.SAE1020.SAE1045 3.JIS G4051 S20C,JIS G4051 S45C,JIS G3454 STPR370,JIS 3454 STPG42 4.DIN ST 45-8,DIN ST 42-2,ST 45-4 .ST52.4 Use: DTH bits DTH hammer,DTH drill rods ODEX,SYMMTRIX 1.top hammer drilling tools inculding thread button bit ,coupling,taper rods and bits,shank adpter and etc. 2.DTH drilling tools including air DTH hammer,DTH bits with COP,DHD,QL MACH,MISSION,SD,XL shank. Outer Diameter Wall Thickness(mm) Thread Pin/Box Length(m) (inch)(mm) 3 76 6~8.5API 2 3/8" reg 1-9 3.5 89 6.5~8.5API 2 3/8" reg 1-9 4 102 6.5~8.5API 3 1/2" reg 1-11 4.5 114 8.5~10API 3 1/2" reg 1-11 5 127 8.5~10API 3 1/2" reg 1-11 6 152 8.5~10API 4 1/2" reg 1-6 7 178 10~12.7API 4 1/2" reg 1-6 best Atlas Copco drill pipe website:http://www.chinarockdrilling.com/dth-drilling-tools/drill-pipes-and-adaptors/