P.O. Box 2101
Oak Park, Vic 3046
(03) 9306 6760
0421 149 760
Carbine CMB Multi Bolt Window Lock Silver – C4 Keyed Alike (CMB-SI-C4)
$43.60 Inc. GST
The Carbine CMB multi bolt silver (CMB-SI-C4) is a C4 key-operated universal window lock in silver supplied with 3 interchangeable bolts for aluminium and timber windows.
- Patented C4 Wafer Barrel: Uses standard 5-pin or 6-pin C4 house keys so one key operates doors and windows.
- 3 Interchangeable Bolts: Configurable for front or side projection across sliding, awning, and sash frames.
- BCA Child-Safety Ready: Complies with Falling from Windows regulations when installed at 100mm restriction.
- Stocked Victorian Warehouse Dispatch: In stock in Victoria for 24-48hr dispatch with free Australia-wide shipping over $149.95 AUD.
🔑 Ordering Multiple Locks? Get Them Keyed Alike:
Have our in-house Victorian locksmiths pin your compatible C4 / LW5 locks to open on one single key (2 matching keys per group). $14.95/lock (1–4) • $12.95/lock (5–9) • $11.45/lock (10–19) • $9.95/lock (20+ bulk).
Add Key Alike Service (SKU: KA) →
Have our in-house Victorian locksmiths pin your compatible C4 / LW5 locks to open on one single key (2 matching keys per group). $14.95/lock (1–4) • $12.95/lock (5–9) • $11.45/lock (10–19) • $9.95/lock (20+ bulk).
Add Key Alike Service (SKU: KA) →
The Carbine CMB multi bolt silver (SKU: CMB-SI-C4) is a C4 key-operated universal window lock finished in silver to match anodized aluminium window frames and satin chrome hardware. Manufactured by Carbine, this silver multi bolt window lock includes three interchangeable locking bolts and a rekeyable C4 wafer cylinder.
Carbine CMB Multi Bolt Silver C4 Keying and 3-Bolt Fitment
Engineered for versatile residential and commercial window security, the cmb-si-c4 lets installers orient the locking bolt through either the front or the side of the body. When fitted and key-locked per BCA guidelines, it satisfies Australian Falling from Windows child-safety requirements.
- Patented C4 Wafer Cylinder: Accepts standard 5-pin and 6-pin C4 keys (supplied Keyed Alike KA1 with keys included).
- 3 Bolt Styles Included: Fits sliding, awning, casement, and double-hung windows.
- Extension Bolt Compatible: Pairs with the 97mm silver extension bolt (CMB-EXTBOLT-SI) for deep window reveals.
Stocked Victorian Warehouse Dispatch and On-Site Installation
Browse our full range of window locks or book 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 (P.O. Box 2101, Oak Park, VIC 3046).
Frequently Asked Questions
Can the CMB-SI-C4 be keyed alike to my C4 door locks?
Yes. Its C4 wafer barrel accepts standard 5-pin and 6-pin C4 house keys.
Are all three locking bolts included in the box?
Yes. It comes complete with three interchangeable bolt styles, ferrules, screws, and C4 keys.
Is a longer bolt available for deep window sills?
Yes. Add SKU CMB-EXTBOLT-SI for a 97mm overall silver extension bolt pin.
Additional Information & Specifications
| Weight | 0.34 kg |
|---|---|
| Dimensions | 14 × 9 × 4 cm |
| Brand | Carbine |
| Lock Type | C4 Key-Operated Universal Window Multi Bolt |
| Model Code | CMB-SI-C4 |
| Cylinder Profile | Patented Carbine C4 Wafer Barrel (Suits 5 & 6 Pin C4 Keys) |
| Supplied Bolts | 3 Interchangeable Bolt Profiles (Front or Side Projection) |
| Compliance | Complies with BCA Falling from Windows Regulation when Fitted Correctly |
| Finish | Silver |
| Window Compatibility | Awning, Casement, Double-Hung Sash & Sliding Windows |
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