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GA Fixings
Unit 34
Claycliffe Business Park
Cannon Way
Barugh Green
Barnsley
S75 1JU

Tel: 01226 380779
Fax: 01226 385558

Email: info@gafixings.com

 

Self Drilling / Tapping Screws

 

G.A.Fixings offer a range of self drilling fasteners for a wide range of applications fixing to both cold and hot rolled sections:-

Fixing roofing and cladding
Fixing fibre cement sheets
Fixing composite panels
Fixing timber
Fixing into masonry.

Please contact G.A.Fixings for further information on specific screw types and their correct application.

Screw Diameter
(mm)
Point
Nr
Steel
Thickness
(mm)
Pullout
Strength
(kN)
Shear
Strength
(kN)

Tensile
Strength
(kN)

Drill Speed
Min Max
5.5
5
6
12.4*
8.36
12.4
1000
1600
Nylon Plug And Screws

Used for lightweight fixing applications ie frame cramps, straps. The nylon plus is manufactured from polymide 6 to increase long term reliability. The N8 is usually supplied together with a Nr12 stainless steel.

Plug type length
(mm)
Hole Size
(mm)
Hole Depth
(mm)

Screw Size

Rec Max
Tensile Load
(kN)
Dia (mm) Gauge
N5
25
5
30
2.5 - 4.0
4 - 8
0.47
N6
30
6
35
3.5 - 5.0
6 - 10
0.77
N7
40
7
40
4.0 - 5.5
8 - 12
0.97
N8
40
8
45
5.0 - 6.0
10 - 14
1.12
N10
50
10
55
6.0 - 8.0
14 - 18
2.20
N12
60
12
70
8.0 - 10.0
18 - 24
2.95
N14
75
14
85
10,0 - 12.0
24.32
4.87

Loads quoted are for guidance only due to the wide variance in the strength of the substrate. If loading is a particular concern we suggest on site tests be carried out to determine suitability of fixing.