# Frisco 5 Lever Mortice Sashlock Case 63mm BS3621 - Brass

The Frisco 5 Lever Mortice Sashlock meets **British Standard BS3621** — the insurance-approved standard for external door locks. **63mm backset**, supplied in a brass finish.  
  
Required by most UK home insurance policies for external door locking. Reversible for left or right-hand doors.

## Details

- **Price:** 30.27 GBP
- **Vendor:** FRISCO UK SALES LTD (F41J)
- **Type:** Door Locks
- **Tags:** Ironmongery, Locks & Latches, National

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 30.27 GBP | In stock |

## Images

- Frisco 5 Lever Mortice Sashlock Case 63mm BS3621 - Brass

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> Source: [Carvers Building Supplies](https://www.carvers.co.uk/products/mortice-5-lever-sash-lock-case-63mm-british-standard-bs3621-brass-frisco-j73060)
> Updated: 2026-07-28