Big Gauge Self-drilling Screws
ST 8.0 Spiral Point #8.When fixing metal sheets, roof sheets, corrugated boards, or even sandwich panels onto a 20 mm thick H-beam, usually a screw of 5.5 or 6.3 in size will be sufficient. What if you need to fix heavy structures like advertisement boards, machines or equipment to studs? This big gauge will provide extra security.
Sun Through is the few manufacturers in the world who can produce 8.0 self-drilling screws which drills a 20-mm-thick steel.
Carbon Steel or SS410 | ||||||
Drilling point size | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 |
Drilling capacity | 12mm | 15mm | 18mm | 21mm | 25mm | 30mm |
Nominal size | customized from 5.5 to 8.0 (#12 to #14 above) | |||||
Length | customized from 38mm~350mm | |||||
Material | C1018/C1022/SS410 | |||||
Bi-metal | ||||||
Drilling point size | Q5 | Q6 | Q7 | Q8 | Q9 | |
Drilling capacity | 12mm | 15mm | 18mm | 21mm | 25mm | |
Nominal size | customized from 5.5 to 7.0 (#12 to #14 above) | |||||
Length | customized from 38mm~350mm | |||||
Material | A2/A4 | Steel Alloy |
*** specifications can be customized, contact us for specific specs***