Q 621-1999
Square groove tapered magnetic plugs
QC/T 384-1999
Square groove tapered magnetic plug
Q 622-1999
Hexagon outside head cone plugs with magnetic core(dz≤NPT1)
Q 622-1999
Hexagon outside head cone plugs with magnetic core(dz＞NPT1)
QC/T 383-1999
Hexagon outside head cone plugs with magnetic core(dz≤NPT1)
QC/T 383-1999
Hexagon outside head cone plugs with magnetic core(dz＞NPT1)
Q 614B-2012
Square head bolts
Q 614B-2012
Square head semi-tubular bolts
Q 618B-2012
Hexagon taper plugs
Q 618B-2012
Hexagon semi-tubular taper plugs
Q 619-2012
Inner hexagon conical screw plugs
Q 622-2012
Hexagon outside head cone plugs with magnetic core(dz≤NPT1)
Q 622-2012
Hexagon outside head cone plugs with magnetic core(dz＞NPT1)
QC/T 383-2013
Hexagon outside head cone plugs with magnetic core(dz≤NPT1)
QC/T 383-2013
Hexagon outside head cone plugs with magnetic core(dz＞NPT1)
Q 624-2012
Hexagon socket pipe magnetic plugs
CNS 4848-1982
Hexagon socket pipe plugs with taper thread
CNS 5794-1983
Slotted taper screw plug for automobiles
CNS 5794-1983
Square socket taper screw plug for automobiles
JB/ZQ 4447G-2006
Hexagon socket screws plug with 60° sealed pipe thread
