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Pin Hex Countersunk Security Machine Screw Grade 10.9

Pin Hex Countersunk Head Security Machine Screws host a reduced head to fit flush in the screws target housing.

Designed to reduce cam-out, which can occur regularly in Phillips and 2-Hole Drives. This helps with lessening the risk of damaging the drive tip, screw head and also the application. The Hex drive also allows better torque compared to conventional screw heads.

They offer medium security and are ideal in applications where the fixing needs to be removed for maintenance, whilst providing a security resistance against vandals and thieves at a relatively low cost.

These screws can also be referred to as Hex Pin, Tamper Pin Hex, Socket Screw with Pin and DIN 7991 with Pin.

Available from Fastenright in M3 to M12 as standard.

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 M3 M4 M5 M6 M8 M10 M12
dk (mm) 5.5 7.7 9.8 11.8 15.1 19.3 23.2
k (mm) 1.7 2.3 2.8 3.3 5.0 6.7 7.4
s (mm) 2.0 2.5 3.0 4.0 5.0 6.0 8.0
Tool Size 2mm 2.5mm 3mm 4mm 5mm 6mm 8mm
Available Sizes M3 M4 M5 M6 M8 M10 M12
6mm
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Parts with * are available to order.
Size not listed? Please call to discuss – we may be able to provide it.

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