10 Best Maximum Security Door Cylinders

10 Best maximum security door cylinders - November 2025

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Last Updated: 27-11-2025

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ERA 1930-37-1 Maximum Security BS Nightlatch with Polished Chrome Body

ERA

9.8

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IRONWORX® Spectre Nickel 35mm (Turn) / 35mm (Key) (70mm) Maximum-Security Police Approved TS007 BSI 3 Star Euro Cylinder Door Lock with Escape Thumb Turn Function, Includes 5X Keys

IRONWORX

9.6

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Best value

IRONWORX® Spectre Nickel 40mm (Turn) / 45mm (Key) (85mm) Maximum-Security Police Approved TS007 BSI 3 Star Euro Cylinder Door Lock with Escape Thumb Turn Function, Includes 5X Keys

IRONWORX

9.5

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IRONWORX® Spectre Brass 40mm (Turn) / 50mm (Key) (90mm) Maximum-Security Police Approved TS007 BSI 3 Star Euro Cylinder Door Lock with Escape Thumb Turn Function, Includes 5X Keys

IRONWORX

9.2

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21% Off

Yale B-YS3-4040BT Euro Thumbturn 3 Star Cylinder, 3 Keys Supplied, Maximum Security, Boxed, Suitable for All Door Types, 40:40 (80 mm), Brass Finish

Yale

9.1

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Yale P-YS3-4550B Euro Double 3 Star Cylinder, 3 Keys Supplied, Maximum Security, Visi Packed, Suitable for All Door Types, 45:50 (95mm), Brass Finish

Yale

8.8

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37% Off

Yale B-YS3-3535N Anti-Snap 3 Star Euro Double Cylinder, High Security, 35:35 (70mm), Nickel Finish

Yale

8.6

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7% Off

Yale B-YS3-5050B Euro Double 3 Star Cylinder, 3 Keys Supplied, Maximum Security, Boxed, Suitable for All Door Types, 50:50 (100 mm), Brass Finish

Yale

8.4

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IRONWORX® Spectre Nickel Double Euro Cylinder Door Lock 35mm / 55mm (90mm) | TS007 BSI 1 Star, Police Approved, Maximum-Security | Anti-Snap, Anti-Bump, Anti-Pick, Anti-Drill | 3X Keys

IRONWORX

8.2

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23% Off

ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Sashlock - Chrome Effect

ERA

8.1

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ERA 1930-37-1 Maximum Security BS Nightlatch with Polished Chrome Body

IRONWORX® Spectre Nickel 35mm (Turn) / 35mm (Key) (70mm) Maximum-Security Police Approved TS007 BSI 3 Star Euro Cylinder Door Lock with Escape Thumb Turn Function, Includes 5X Keys

IRONWORX® Spectre Nickel 40mm (Turn) / 45mm (Key) (85mm) Maximum-Security Police Approved TS007 BSI 3 Star Euro Cylinder Door Lock with Escape Thumb Turn Function, Includes 5X Keys

IRONWORX® Spectre Brass 40mm (Turn) / 50mm (Key) (90mm) Maximum-Security Police Approved TS007 BSI 3 Star Euro Cylinder Door Lock with Escape Thumb Turn Function, Includes 5X Keys

Yale B-YS3-4040BT Euro Thumbturn 3 Star Cylinder, 3 Keys Supplied, Maximum Security, Boxed, Suitable for All Door Types, 40:40 (80 mm), Brass Finish

Yale P-YS3-4550B Euro Double 3 Star Cylinder, 3 Keys Supplied, Maximum Security, Visi Packed, Suitable for All Door Types, 45:50 (95mm), Brass Finish

Yale B-YS3-3535N Anti-Snap 3 Star Euro Double Cylinder, High Security, 35:35 (70mm), Nickel Finish

Yale B-YS3-5050B Euro Double 3 Star Cylinder, 3 Keys Supplied, Maximum Security, Boxed, Suitable for All Door Types, 50:50 (100 mm), Brass Finish

IRONWORX® Spectre Nickel Double Euro Cylinder Door Lock 35mm / 55mm (90mm) | TS007 BSI 1 Star, Police Approved, Maximum-Security | Anti-Snap, Anti-Bump, Anti-Pick, Anti-Drill | 3X Keys

ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Sashlock - Chrome Effect

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