







D-Line SD-DFIX/100 Safe-D Countersunk Fixing box of 100
SD-DFIX/100
D-Line SD-DFIX/100 Safe-D Countersunk Fixings – Fire-Rated Screws for Cable Clips & Electrical Installs (Box of 100)
The D-Line SD-DFIX/100 Countersunk Fixings are high-performance, fire-rated screws designed for securing Safe-D Clips and electrical accessories to a wide range of construction surfaces. These fixings deliver exceptional strength and reliability without the need for plastic wall plugs, even in high-temperature or emergency conditions.
- Fire-Tested Reliability: Independently certified to perform at 970°C for 2 hours, even under stress vibration and water spray exposure.
- No Wall Plugs Required: Direct-to-surface fixing into masonry, concrete, plasterboard, breeze block, and timber—ideal for clean, fast installations.
- Secure Thread Retention: Screw threads remain embedded in substrate during fire conditions, unlike plastic plugs that melt at 160°C.
- Durable Construction: Features a non-corrosive finish with excellent tensile, shear, and pull-out strength.
- Standards Compliant: Fully conforms to BS7671 and BS5839-1 for fire-rated cable supports and fixings.
Technical Specification
- Fixing Type: Countersunk Head Screw
- Fire Rating: Certified at 970°C for 120 minutes
- Material: Fire-rated with >1200°C melting point
- Substrate Compatibility: Masonry, plasterboard, breeze block, concrete, brickwork, wood
- Pack Quantity: 100 screws
✅ Count on the D-Line SD-DFIX/100 Countersunk Fixings for secure, compliant installations—no plugs, no compromise.

Product | Screw |
Type | Countersunk |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.