Drywall Screws Standards, Drawings, Technique Information

Drywall Screws Fine Threaded, for metal or plasterboard, wood works, standard requirements,

Surface hardness: Min 550 HV; Core Hardness:240-450 HV

Suggested Material: C1022, C1018

Depth of Hardness: M3.5 (#6) to M3.9 (#7) 0.06-0.18mm; M4.2 (#8) to M4.8 (#10) 0.10-0.23mm

 

Dimensional Details as follows,

 

Drywall Screws Coarse Threaded, generally for wood, made of C1018 or C1022 steel, heated

Surface hardness: Min 500 HV; Core Hardness:240-450 HV

Depth of Hardness: M3.5 (#6) 0.05-0.18mm; M3.9 (#7) to M4.8 (#10) 0.10-0.23mm

 

Dimensional Details as follows,

Note: Screw length on or below 2 inch (50mm), full threaded, above 2 inch, partially threaded.

For more technique data, please contact us directly,