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Chubb 3k75 67mm Brass Mortice Lock
Product Code
821829
€70.95 €57.68
/ Price Per ITEM
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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 The Lock Has A Deadbolt Operation And Is Locked Or Unlocked By Key From Either Side With The Latch Bolt Being Withdrawn By A Lever Handle From Either Side.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: 02-Dec-2025
Delivery Timeframes:
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Small Items: 2-3 working days
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Large/ Bulky items: 5-7 working days
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Extra Large appliances & TV's: 5-7 working days
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Click & Collect: 1 working day
Delivery Zones (Nationwide):
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Zone 1: Dublin, Galway, Kildare, Limerick, Meath, Offaly, Tipperary, Wexford, Wicklow
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Zone 2: Carlow, Clare, Clifden, Kilkenny, Laois, Louth, Waterford, Westmeath
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Zone 3: Cavan, Cork, Donegal, Kerry, Leitrim, Longford, Mayo, Monaghan, Roscommon, Sligo
Delivery Charges:
| Small & Light | Large & bulky | Extra Large | |
| Zone 1 | €9.99 | €25 | €50 |
| Free delivery on orders over €400 | no free delivery | ||
| Zone 2 | €9.99 | €50 | €50 |
| Zone 3 | €9.99 | N/A | N/A |
* Effective from 3 December 2025
* Free delivery on order over €400, applies to Small & Light, Large & Heavy items within zone 1 only.
Zone Indicator:
To help you understand delivery availability, every item displays a zone icon, icons appear on the top-right corner of each product image:
| Types of goods | Available zones | Descriptions |
| Small & light items | All Zone area | Items under 20kg weight & under 2m long, (some fragile items may not be included e.g. glass/mirrors) |
| Large and bulky items Extra Large items |
Zone 1 & 2 only | Wet & hazardous bagged, items over 20Kg weight & oversized; Euronics white goods, TVs of all sizes. |
| Large Paint items (6L / 6L+) | Zone 1 only | Large hazardous items (6L+) - available for collection |
| Available zones | Indicator | Descriptions |
| All zone area |  |
This icon with all zone area in green, indicates this items can be shipped to all Zone. |
| Zone 1 & 2 only |  |
Zone 1 & 2 in green and zone 3 greyed out, indicates this product can only be shipped to Zone 1 and 2 |
| Zone 1 only |  |
Zone 1 in green zone 2 and zone 3 are greyed out, indicates this product can only be shipped to Zone 1 only. |
Old Appliance Collection:
When you buy a large appliance, we’ll collect your old one for free through WEEE Ireland. Please ensure it is uninstalled, disconnected, and ready for pickup. Collection is like-for-like and takes place at the front door or apartment entrance. Restrictions may apply based on access and item type.
Free Click & Collect:
Click & Collect is free and available on items in stock at your chosen branch. Click Here to see our Branch Locator.
How it works:
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Place your order online
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You will receive an order confirmation email
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Our team processes your order, please allow up to 4 hours
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Within branch opening hours, we aim to have your order ready the same day.
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You will receive an email once your order is ready for collection.
At TJ O'Mahony we will exchange or refund any Retail unused product returned to us in its original condition within 30 days of receiving it (*)You can return any unused product to us in its original condition for a full refund or exchange within 30 days of delivery.
This right to return does not apply to products that are non stock and only available to order such as catalogued doors, catalogued bathroomware and mixed paints which are made especially for your order.
Please note that we are unable to accept returns on certain bagged building products and materials, including (but not limited to) hard wall, cement, bonding, slates, and ridges. We appreciate your understanding and recommend checking product requirements carefully before purchase.
*View our full returns policy on our Terms &Conditions Page.