Pin Pentagon Countersunk Security Machine Screw

Pin Pentagon Countersunk Security Machine Screws

Pin Pentagon Countersunk Security Screws are tamper resistant and can only be removed through the use of special bits that only fit the specific drive.

These screws stop vandals or thieves from purchasing standard security bits in tool shops, as the security machine screws offer high security due to the tool required. That, and the fact we only supply the tools to customers who have purchased the screws from us as well.

Due to the countersunk head, the machine screw will sit flush in the surface of the material it’s placed in. They’re also typically used to be covered by a cap or piece of wood – thus improving the security features of the screw.

Often used to maintain security in retail, computers, public transport and more, these parts are becoming more and more popular.

Pin Pentagon Countersunk Security Machine Screws
Thread Diameter	P	Head Diameter DK (mm)	Head Height K (mm)	S	d	d1

M3	0.5	5.7	1.7	2.24	2.35	0.8
M4	0.7	7.7	2.3	2.8	2.94	0.9
M5	0.8	9.8	2.8	4.1	4.3	1.3
M6	1	11.8	3.3	5.14	5.45	1.6
M8	1.25	15.1	5.0	6.32	6.7	2

Thread / Length (mm)	6	8	10	12	16	20	25	30	35	40	50	60	90
M3
M4
M5
M6
M8

Pin Pentagon Security Machine Screws with Button Head (Imperial)
Thread Diameter	Head Diameter MAX (in.)	Head Height MAX (in.)	Screw Diamater (in.)

4-24	.255	.083	.086
6-20	.307	.097	.112
8-19	.359	.112	.138
10-16	.411	.127	.164
12-14	.480	.135	.190
14-14	.531	.161	.216