Spiral Point Roofing Screws with EPDM Bonded Washer
Sun Through offers roofing screws coupled with EPDM bonded washers for sealing purpose.We suggest the material of metal part of EPDM bonded washer to be the same as screws to avoid galvanic corrosion.
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***