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The Union 3K75 Series 5 Lever Mortice Rollerbolt Sashlocks Are Suitable For Use On Timber Doors Hinged On The Left Or Right And Are Also Suitable For Use On Doors Up To 50Mm Thick. The Lock Has A Deadbolt Operation And Is Locked Or Unlocked By Key From Either Side With The Latch Bolt Being Withdrawn By A Lever Handle From Either Side.
It Has Force Resistant, Anti-Pick And Anti-Saw Security Features And Is Available With Square Forend And Striking Plate With A 14Mm Bolt Throw. They Are Also Pierced To Accept Bolt Through Furniture.
The 3K74E Series Locks Are Recommended For Use On A Front Door In Conjunction With A Bs Standard Nightlatch.
They Are Also Covered By A 25 Year Guarantee.
Deadbolt: Brass, With Hardened Steel Rollers
Latch Bolt: Roller Bolt (Non Handed)
Follower: Sintered Iron, 8Mm Square
Keys Supplied: Standard Differ Supplied With 2 Keys. For Locks To Pass Please Specify Number Of Keys Required.
Key Blank Number: B-K722 (Standard)
Cut Key Number: B-5Lc
Not Suitable For Master Keying
Rebate Kit B-3K74R (13Mm, 19Mm And 25Mm)
En1634-1 Assessed For Use On 60 Minute Timber Fire Doors
Visi Packed.
Finish: Brass
Size: 67Mm
| Barcode | 5011783000878 |
|---|---|
| Brand | TJ O'Mahony |
| Weight | 0.8200 |
| Dimension Height | 175.0000 |
| Dimension Width (Timber) | 50.0000 |
| Dimension Length | 235.0000 |
| Provided by | Not Assigned |
| Delivery Rule | small & light |
Last update: 17 August 2026
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
| Delivery Type | Delivery Area | Delivery Charge | Delivery Time |
|---|---|---|---|
| Small Items | Republic of Ireland | €9.99 | 3–4 working days |
| Large & Heavy* | Standard delivery area | €29.99 | 5–7 working days |
| Extra Large* | Standard delivery area | €50.00 | 5–7 working days |
| Paint 5L or less** | Standard delivery area | €19.99 | 5–7 working days |
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
30-Day Returns
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products. Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.
