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Lockwood 303 Single Cylinder Deadlock Satin Chrome Pearl – 60mm Rim Lock (303-NSP) to Pinterest (opens in a new window)

Lockwood 303 Single Cylinder Deadlock Satin Chrome Pearl – 60mm Rim Lock (303-NSP)

$231.00 Inc. GST

The Lockwood 303 deadlock satin chrome pearl (303-NSP) is a single-cylinder surface-mounted anti-jemmy rim deadlock with an internal turnknob and 60mm backset.

  • Interlocking Anti-Jemmy Bolt: Pivoting vertical steel bolt locks into the strike to resist jemmying and frame spreading.
  • Single Cylinder & Turnknob: Keyed 5-pin C4 exterior rim cylinder paired with an internal turnknob for keyless exit.
  • Positive Deadlocking Action: High-purity zinc alloy case in Satin Chrome Pearl for 30mm to 45mm timber doors.
  • Stocked Victorian Warehouse Dispatch: In stock in Victoria for 24-48hr dispatch with free Australia-wide shipping over $149.95 AUD.
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The Lockwood 303 deadlock satin chrome pearl (SKU: 303-NSP) is an Australian single-cylinder surface-mounted rim deadlock featuring a vertical interlocking anti-jemmy bolt and an internal turnknob. Manufactured by Lockwood (ASSA ABLOY), this lockwood 303-nsp deadlock provides high-resistance perimeter security on solid timber doors where keyless internal egress is required.

Lockwood 303 Deadlock Satin Chrome Pearl Anti-Jemmy Bolt and Egress

Unlike the double-cylinder Lockwood 355, this lockwood 303 single cylinder deadlock incorporates an ergonomic internal turnknob so occupants can exit rapidly without a key while maintaining full anti-jemmy bolt strength against external forced entry.

  • Interlocking Steel Bolt: Vertical bolt hooks into the strike plate to prevent crowbar spreading between door and jamb.
  • 60mm Standard Backset: Suits 30mm to 45mm hinged timber doors (inward or outward opening with strike packs).
  • 5-Pin C4 Rim Cylinder: Supplied in a Trade Pack (TP) with 2x C4 keys; easily keyed alike to existing Lockwood locks.

Stocked Victorian Warehouse Dispatch and On-Site Installation

Browse our full range of residential deadlocks or book licensed mobile installation across Metropolitan Melbourne and Regional Victoria via All Secure Locksmiths.

  • 24-48hr Victorian Dispatch: Shipped within 24 to 48 hours from our stocked Victorian warehouse with free Australia-wide shipping over $149.95 AUD ($9.95 AUD flat rate under $149.95 AUD) and 30-day returns (Postal Returns: P.O. Box 2101, Oak Park, VIC 3046).

Frequently Asked Questions

What is the difference between the Lockwood 303 and Lockwood 355?
The Lockwood 303 has an internal turnknob for keyless exit from inside, whereas the Lockwood 355 is a double-cylinder deadlock that requires a key on both sides.

Will the 303-NSP fit into existing Lockwood 355 mounting holes?
Yes. Both the 303 and 355 share the same 60mm backset surface-mounted case footprint.

Can it be keyed alike to my front door?
Yes. Its 5-pin C4 rim cylinder can be keyed alike to any standard C4 house key before dispatch.

Additional Information & Specifications
Weight 1.05 kg
Dimensions 17 × 12 × 8 cm
Brand

Lockwood

Lock Type

Single Cylinder & Turn Anti-Jemmy Rim Deadlock

Model Code

303-NSP

Backset

60mm Standard Rim Backset

Cylinder Profile

5-Pin C4 Rim Cylinder Outside / Turnknob Inside

Finish

Satin Chrome Pearl (SP)

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