# Keystone K100 Steel Box Lintel – 1200mm x 75mm

The Keystone K100 is a single leaf steel box lintel designed for inner leaf cavity wall and internal masonry applications. Manufactured from galvanised steel, it measures 1200mm long × 75mm high with a 1.6mm wall thickness, providing a reliable solution for spanning openings in single leaf walls.

  
**Dimensions:** 1200mm L × 75mm H × 1.6mm thick.

## Details

- **Price:** 52.9 GBP
- **Vendor:** KEYSTONE LINTELS
- **Type:** Steel Lintels
- **Tags:** Building Materials, Lintels, Local, Steel Lintels

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 52.90 GBP | In stock |

## Images

- Keystone K100 Steel Box Lintel – 1200mm x 75mm
- Keystone K100 Steel Box Lintel – 1200mm x 75mm
- Keystone K100 Steel Box Lintel – 1200mm x 75mm

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> Source: [Carvers Building Supplies](https://www.carvers.co.uk/products/lintel-steel-box-k100-1200mm-l-x-75mm-h-x-1-6mm-thick)
> Updated: 2026-07-27