Hafren PHRM Raised Countersunk Pin Hex Machine Screws

Product overview

Hafren PHRM Raised Countersunk Pin Hex Machine Screws

Hafren PHRM Raised Countersunk Pin Hex Machine Screws are premium, high-security hexagon socket screws with a raised countersunk head. This advanced Hafren PHRM design features an internal pin that prevents removal using standard hexagon tools, making them ideal for medium torque applications where security and integrity are critical. The raised countersunk design ensures a neat, professional finish while offering excellent tamper resistance.

Also stocked: AB Self Tapping and Metric Machine Screws (A2 Stainless Steel)

Other materials and finishes available to order, subject to minimum order quantities

Part Numbers: PHRM3512, PHRM3520, PHRM3525, PHRM3530, PHRM3540, PHRM3550, PHRM3560.

Hafren PHRM – Features

Material: A2 Stainless Steel

Heat Treatment: None

Finish: Passivated

Part Numbers & Driver Sizes

Size Screw Part No Driver Part No

M3.5 PHRM3512 H30

M3.5 PHRM3520 H30

M3.5 PHRM3525 H30

M3.5 PHRM3530 H30

M3.5 PHRM3540 H30

M3.5 PHRM3550 H30

M3.5 PHRM3560 H30

Hafren Security Fasteners

Hafren Fasteners manufacture and supply security & tamper resistant fasteners; special headed screws, nuts & bolts. Their solutions are either permanent, or removable only by using a matching driver tool. They design and supply a wide range of security fasteners including bespoke made to measure security fasteners. If they don’t have what you need they’ll make it just the way you want.

Security: The need to safeguard against theft and vandalism is increasingly an essential part of many design specifications.

Safety: Complying with stringent Health & Safety Law, their fasteners keep the public safe.

Aesthetics: Security fasteners are not only secure and vandal-resistant, but aesthetically pleasing to the eye complementing their surrounding environment

For Additional Information on Hafren PHRM Raised Countersunk Pin Hex Machine Screws, please consult the Technical Data Table or PDF Files below.

*Technical Data subject to change without notice.

FREE Technical Advisory Service

E-Tech Components UK Ltd maintains a free technical advisory service.

Contact us for enquiries concerning this and all other products: +44 (0) 1744 762 929