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產品

Self-Drilling Screws

Countersunk Head

Fixing sheeting to steel where a large head is required.

Head Type

Countersunk Head

Drive Style

Phillips

Thread Type

BSD (general thread)、CSD (fine thread)

Drill Point

No.2 / No.3

Material

C1022 / 10B21 Carbon Steel from CSC Taiwan

Surface Coating

Zinc / Zinc Yellow / Ruspert / Mechanical Zinc

Size

M3.5 / M4.2 / M4.8 

Length

400mm (max.)

Countersunk Head Self-Drilling Screw_6-20xL
Countersunk Head Self-Drilling Screw_8-18xL
Countersunk Head Self-Drilling Screw_10-16xL

M3.5 / #6-20

M4.2 / #8-18

M4.8 / #10-16

Available Sizes

Dimension

mm inch Drilling Point Drill Capacity
M3.5 x 10 #6-20 x 3/8" NO.2 1.0mm
M3.5 x 13 #6-20 x 1/2" NO.2 1.0mm
M3.5 x 16 #6-20 x 5/8" NO.2 1.0mm
M3.5 x 19 #6-20 x 3/4" NO.2 1.0mm
M3.5 x 25 #6-20 x 1" NO.2 1.0mm
- - - -
M4.2 x 13 #8-18 x 1/2" NO.2 2.0mm
M4.2 x 16 #8-18 x 5/8" NO.2 2.0mm
M4.2 x 19 #8-18 x 3/4" NO.2 2.0mm
M4.2 x 25 #8-18 x 1" NO.2 2.0mm
M4.8 x 13 #10-16 x 1/2" NO.2 2.0mm
M4.8 x 16 #10-16 x 5/8" NO.2 2.0mm
M4.8 x 19 #10-16 x 3/4" NO.2 2.0mm
M4.8 x 25 #10-16 x 1" NO.3 3.0mm
M4.8 x 32 #10-16 x 1-1/4" NO.3 3.0mm
M4.8 x 38 #10-16 x 1-1/2" NO.3 3.0mm

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