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 623-1999

Hexagon magnetic screw plug

QC/T 385-1999

Hexagon magnetic screw plug

Q 210B-2012

6-Lobe cap screws

Q 212-2012

6-Lobe low cap screws

Q 214-2012

Pan head screws with type H cross recess

Q 215B-2012

6-Lobe pan head screws

QC/T 855-2011

6-Lobe pan head screws

Q 218B-2012

Hexagon socket head cap screws

Q 254-2012

Countersunk flat head screws cross recess

Q 256-2012

Cross recessed raised countersunk head screws

Q 250-2012

Hexagon socket countersunk head screws

Q 257B-2012

6-Lobe 90° oval head screws

QC/T 866-2011

6-Lobe 90° oval head screws

Q 258-2012

6-Lobe 90° flat head screws

QC/T 856-2011

6-Lobe 90° flat head screws

Q 280-2012

Slotted set screws with cone point

Q 283-2012

Hexagon socket set screwss with cup point