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Pin Hex Countersunk Security Machine Screw

Pin Hex Countersunk Head Security Machine Screws are vandal resistant and can only be fixed and removed by using a special driver bit or key to fit the Pin Hex Drive. They are ideal for applications requiring medium security, and where the fixing needs to be regularly removed for maintenance reasons.

Designed to reduce cam-out, which occurs often in Phillips and 2-Hole drives – this, in turn, lessens the risk of causing damage to the drive tip, screw head or the application.

Pin Hex Security Screws offer a medium security resistance against vandals and thieves at a relatively low cost.

Within the industry Pin Hex security screws are also referred to by other names including Hex Pin, Tamper Pin Hex, Socket Screw with Pin and Din 7991 with Pin.

Tamper Resistant Pin Hex machine screws can be used with Security Wave Nuts, Shear Nuts, Kinmar Reusable Nuts, Kinmar Permanent Nuts, 4-Hole Nuts or Pin Torx Barrel Nuts for added security.

Made from A2 or A4 Stainless Steel, with both Metric and Imperial sizes available at Fastenright.

Non-standard sizes and materials are available to order as specials, including custom parts made to drawings.Pin Hex Countersunk Machine Screw Technical Drawing

Metric Technical Information & Available Sizes
Thread Diameter M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M16 M20 M24
dk (mm) 4.0
5.0 6.7
9.0 11.2 13.5 17.9 22.4 26.9 33.6 40.3 49.0
k (mm) 1.2 1.6 1.9 2.5 3.1 3.7 5.0 6.2 7.5 8.8 10.2 14.0
s (mm) 1.3 1.5 2.0 2.5 3.0 4.0 5.0 6.0 8.0 10.0 12.0 14.0
Tool Size 1.3mm 1.5mm 2mm 2.5mm 3mm 4mm 5mm 6mm 8mm 10mm 12mm 14mm
Available
Sizes
M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M16 M20 M24
3mm Stainless steel finishblack icon image* Stainless steel finishblack icon image*
4mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image
5mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image Stainless steel finishblack icon image
6mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
8mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
10mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
12mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
14mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
16mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
18mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
20mm Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image*
22mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
25mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image*
30mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image*
35mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image*
40mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
45mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
50mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
55mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
60mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
65mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
70mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
75mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
80mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
90mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
100mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
110mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
120mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
130mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
140mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
150mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image* Stainless steel finishblack icon image* Stainless steel finishblack icon image*
160mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
170mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
180mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
190mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
200mm Stainless steel finishblack icon image Stainless steel finishblack icon image Stainless steel finishblack icon image
Stainless steel finish= A2 Stainless Steel // black icon image = A4 Stainless Steel
Parts with * are available to order.
Size not listed? Please make an enquiry – we may be able to provide it.

 

Imperial Available Sizes
No.6 – 32 No.8 – 32 No.10 – 24 No.10 – 32 No.12 – 24 1/4″ – 20 5/16″ – 18 3/8″ – 16
3/8″
1/2″
5/8″
3/4″
1″
1. 1/4″
1. 1/2″
1. 3/4″
2
black icon image = Available
Size not listed? Please make an enquiry – we may be able to provide it.

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