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No. 8 Countersunk Self Tapping Screw- 1"
SCR663
Price ex VAT: £16.10 Box 1000
These hardened fixings will cut their own thread through steel or aluminium and are ideal for cladding steel flats and rostra.
Specification
Head Type: Countersunk
Screw Size: No. 8 [4.16 mm]
Screw Length: 1" [25 mm]
Pilot Holes for Self Tapping Screws:
A note on pilot drills: The diameter of the drill will depend on the thickness of the material being fixed. For drilling into mild steel and aluminium the following drills are ideal, but conditions differ and it may be necessary to vary the drill size to suit.
| Material Thickness: | Drill for No. 8: |
| 0.71 mm [22 g] | 3 mm |
| 1.22 mm [18 g] | 3.2 mm |
| 1.62 mm [16 g] | 3.4 mm |
| 3.18 mm [1.8 "] | 3.8 mm |
| Quantity | Price ex VAT |
| 0—4 | £16.10 each |
| 5+ | £14.09 each |
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