ZH

PRODUCT

Self-Drilling Screws

Double Thread

Steel roof sheeting to steel purlins.

  • Enhanced pull-out strength
  • Scratshank
Head Type

Hex Flange Head

Adapter to Use

Magnetic Hex Socket (5/16″)

Thread Type

BSD (general thread)、CSD (fine thread)

Drill Point

No.3

Material

C1022 / 10B21 Carbon Steel from CSC Taiwan

Surface Coating

Zinc / Zinc Yellow / Ruspert / Mechanical Zinc

Size

M5.5 / M6.3

Length

400mm (max.)

Available Sizes

Dimension

mm inch Drilling Point Drill Capacity
M5.5 x 45 #12-14 x 1-3/4" NO.3 4.5mm
M5.5 x 55 #12-14 x 2-3/16" NO.3 4.5mm
M5.5 x 65 #12-14 x 2-9/16" NO.3 4.5mm
M5.5 x 75 #12-14 x 2-15/16" NO.3 4.5mm
M5.5 x 85 #12-14 x 2-15/16" NO.3 4.5mm
M5.5 x 110 #12-14 x 2-15/16" NO.3 4.5mm
M5.5 x 130 #12-14 x 2-15/16" NO.3 4.5mm
-
M6.3 x 42 #14-10 x NO.3 4.5mm
M6.3 x 50 #14-10 x NO.3 4.5mm
M6.3 x 55 #14-10 x NO.3 4.5mm
M6.3 x 65 #14-10 x NO.3 4.5mm
M6.3 x 75 #14-10 x NO.3 4.5mm
M6.3 x 85 #14-10 x NO.3 4.5mm
M6.3 x 110 #14-10 x NO.3 4.5mm
M6.3 x 130 #14-10 x NO.3 4.5mm

* For sizes not indicated, please contact for further information.