Roof screws designed for fastening the crest of panels are specialized fasteners specifically used in roofing systems to secure metal sheets to timber substrates. The combination of carbon steel screws with EPDM and aluminum bonded washers ensures effective weatherproofing, protecting the underlying structures from water damage and enhancing the longevity of the roofing system.
Crest fastening
- Carbon steel screws for fastening steel sheets to timber substrates
Specification:
- Gauge #12
- #12-11×50
- #12-11×55
- #12-11×68
|
d (mm) |
TPI | Length | |
|
(mm) |
(inch) | ||
|
5.5 |
11 |
50 |
2” |
| 55 |
2-3/16” |
||
| 68 |
2-3/4” |
||
Washer: E.P.D.M,
Galvanized bonded washer
Coating: Ruspert
SST 500 –2000h
Kesternich 7 – 20 cycles
Adapter in use: Magnetic Hex Socket (5/16’)
No of products
- ST-2.1.HEW-1250
- ST-2.2.HEW-1255
- ST-2.3.HEW-1268