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#10-16 Zinc Plated Hex Washer Head Self Drilling Sheet Metal Screws
1. Descriptions:
1. Name: DIN7504K hex washer head self drilling screws, roofing screws
2. Grade: C1018, C1022, SUS201,SUS410,SUS304,SUS316,A2-70,A2-80,A4-80
3. Size: 3.5mmx10mm--6.3x300mm
4. Standard: DIN7504K
5. Certification: ISO9001, SGS, CTI, ROHS
Product Name | DIN7504K hex head self drilling screw, roofing screw |
Material | stainless steel, carbon steel, alloy steel, brass and so on |
Color | yellow zinc, black phosphate, gray, white zinc, HDG, ruspert,
nickel and so on |
Standard | DIN GB ISO JIS BA ANSI |
Grade | C1018, C1022, SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8
8.8 10.9 12.9 |
Sizes | #6x10mm---#14x200mm, 3.5x10mm--6.3x200mm |
Thread | full thread, partical thread |
Drive | philips, pozi, socket, hex, square, solloted, combined |
2. Applications:
Hex Washer Head Self Drilling Screws(HWH) or Hex Washer Flange Head (HWF) Self drilling screws are used in metal applications. Self-Drilling Screws, also called as Tek screws, eliminate the need for a pre-drilled hole.
The Self drilling screws, not like the self tapping screws, does not require a pre-drilled hole before installing. It can drill into the metal or iron board directly……
3. Features:
4. Test Data of self drilling screws
Tensile strength kgf (Min) | ||||
The steel board | #12 (dia.5.5mm) | #14 (dia.6.3mm) | ||
thickness | No.3 drill Point | No.5 drill Point | No.3 drill Point | No.5 drill Point |
6mm thick steel board | 12mm thick steel board | 6mm thick steel board | 12mm thick steel board | |
2 | 300 | -- | 310 | -- |
3 | 530 | -- | 580 | -- |
4 | 780 | -- | 800 | -- |
6 | 810 | -- | 900 | -- |
10 | -- | 920 | -- | 1050 |
12 | -- | 920 | -- | 1050 |
5. More pictures:
DIN7504K HEX WASHER HEAD SELF DRILLING SCREW