For drilling beam steel up to 12 mm thick
The surface of the coating is specially treated, which is environmentally friendly. Screws comply with the corrosion resistance requirements of Australian Standard AS3566.2(2002) as follows:
- 2.000 hrs of neutral salt Spray test – AS 2331.3.1.
- 2.000 hrs of U.V condensation test – ASTM G154.
- 1.000 hrs of humidity test – ASTM D2247.
- 15 cycles of sulfur dioxide test – DIN 50018.
- Plus, 2.000 hrs of neutral salt spray test according to Japanese Industrial Standard JIS 237NO5.
The improved drill bit drills steel up to 12 mm thick. Help you shorten the construction time.
Cutting groove and Notch make drilling into steel smoother
There are 2 different head shapes to help you meet a variety of applications : Hexagon head and Wafer head.
Specifications
| Size d - p x L |
Header type | Washer type | Package |
| 5.5 - 24 x 38 | Hexagon | EPDM seal | 400 pcs/box |
| 5.5 - 24 x 38 | Wafer | Not seal | 400 pcs/box |