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Gypsum Drywall Screws

Gypsum Drywall Screws , coarse thread/ Fine thread drywall screws in steel C1022A, black phosphate, #6 -#10   from China Drywall Screws Manufacturer.

Gypsum Drywall Screws Gypsum Drywall Screws drawing

Gypsum Drywall Screws
Material: Steel C1022A
Finish: Black Phosphate
Size: M3-M24

fine thread standard
  Size head width thread diamter Length
6# 3.5 7.9-8.10 3.40-3.60 13-50
7# 3.9 7.9-8.10 3.70-3.90 16-80
8# 4.2 7.9-8.10 4.0-4.30 19-120
10# 4.8 8.5-9.0 4.70-4.90 20-150
coarse thread standard
  Size head width thread diamter diameter
6# 3.5 7.9-8.10 3.65-3.90 13-19
7# 3.9 7.9-8.10 3.90-4.20 25-30
8# 4.2 7.9-8.10 4.30-4.60 25-30
10# 4.8 8.5-9.0 4.90-5.30 55-90

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