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Hancock Speedway stocks a large range of ITW Buildex. screws, fastners and rivets.
Screw Size Identification
For all screw descriptions in the Buildex Range, the first figure indicates the gauge of the screw (g), the second figure indicates the threads per inch (TPI), and the third figure indicates the length of the screw (mm).
e.g. 10 -10 x 16mm
= 10 Gauge,10 Threads per Inch, 16mm in Length
Gauge
The gauge of a screw is determined by the basic size of the thread outside diameter
Standard gauges for Buildex screws.
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6 Gauge |
3.5mm |
|
8 Gauge |
4.2mm |
|
10 Gauge |
4.8mm |
|
12 Gauge |
5.5mm |
|
13 Gauge |
6.1mm |
|
14 Gauge |
6.3mm |
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15 Gauge |
6.5mm |
TPI (Threads Per Inch)
The TPI is the number of thread crests that can be counted along a lineal measurement of 1 inch (25.4mm)
Product Range
Roof Zips
Metal Teks Hexagon Head
Type 17" Hexagon Head (Timber)
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