Skip to the beginning of the images gallery

Keystone BOX/K-75 Solid Wall Box Lintel 1200mm

SKU

KBX7512

£25.66 £21.38

Product Information

Keystone BOX/K-75 solid wall box lintel, 1200mm (47.2in) length for internal openings
Designed for solid walls 100-215mm thick, supporting standard load masonry
Perforated design provides a strong plaster key for secure finishes
Minimum 150mm bearing on each end, must be bedded in mortar for stability
Lintel weight approx. 4.79kg; recommended propping speeds up construction

Details

The Keystone BOX/K-75 1200mm solid wall box lintel is engineered for trade professionals requiring dependable support over internal openings in solid masonry walls between 100 and 215mm thick. Its robust design ensures full load-bearing capacity immediately after wet masonry installation, making it a reliable choice for builders and site managers handling structural openings.

Application

This box lintel is commonly used to span internal wall openings such as doorways and windows in solid masonry walls. The perforated surface acts as a plaster key, facilitating a secure finish and integration with surrounding materials. It is suitable for standard load-bearing applications where a durable, straight lintel is required to support masonry above openings.

Dimension

Length: 1200mm (47.2in)
Height: 75mm (2.95in)
Width: 95mm (3.74in)
Supports wall thicknesses from 100mm to 215mm

Material

High-quality steel with perforated surface for plaster key

Type

Solid wall box lintel, standard duty load-bearing lintel

Box lintels require a minimum end bearing of 150mm on each side, bedded securely on mortar. For optimal construction speed and safety, propping the lintel during masonry work is recommended. Please note, all product dimensions and specifications are provided as a guideline; for detailed project advice or bespoke requirements, contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	1200mm
Weight	4.790000
Manufacturer	Keystone
Sap Id	KBX7512

Customer Reviews

No reviews yet on this product

Delivery Information

Delivery availability

We deliver to most mainland UK addresses. Some postcode areas are excluded – please see the full list below.

Delivery charges

Delivery costs vary depending on your location, the products ordered, and the delivery method selected. All delivery charges are calculated clearly at checkout.

Fuel Surcharge

Information on our added Fuel Surcharge can be found at https://condell-ltd.com/fuel-surcharge-notification

Delivery dates

You can request a preferred delivery date at checkout. While we aim to meet this wherever possible, availability may depend on stock levels and third-party delivery schedules. If your chosen date is unavailable, a member of our team will contact you to arrange an alternative.

Delivery method

All deliveries are made kerbside as standard. For health and safety reasons, drivers are unable to carry materials beyond the kerb. If you have specific access requirements, please contact us before placing your order.

Delivery exclusions

We currently do not deliver to the following postcode areas:

AB16, AB21–22, AB30–AB38, AB41–AB56, BT1–BT94, CA2, CA15, CA28, DD1, DD8, DD9, DG1, DG2, DG10–DG14, DG16, FK18–FK20, GY1–GY9, HS1–HS9, IM1–IM9, IV1–IV5, IV7, IV12–IV13, IV21–IV28, IV30–IV36, IV40–IV56, JE1–JE4, KA1, KA4–KA6, KA14–KA15, KA18–KA21, KA27–KA30, KW1–KW3, KW6–KW17, KY6–KY10, KY13–KY16, LL49, LL58–LL62, LL64–LL78, PA17–PA78, PH11, PH19–PH26, PH30–PH33, PH35–PH38, PH40–PH44, PH49–PH50, PO30–PO41, SA68, SA71, ZE1–ZE3

Important delivery terms

Shortages must be reported within 48 hours and noted on delivery paperwork
All deliveries must be signed for; redelivery charges may apply
Deferred deliveries may incur storage charges
Collected orders are not subject to delivery charges
Returns are subject to a 25% restocking fee (delivery charges excluded)
Made-to-measure items are non-refundable
Reasonable access to the delivery point must be available; additional charges may apply