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Countersunk Head

Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Zinc - 4.8 x 60
S/Drill PVC Screw CSK - BZP_x000D_

A heavier gauge screw, generally used where extra strength is required such as attaching hinges to steel reinforced frame.
£ 13.74 13.74 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Zinc - 4.8 x 45
S/Drill PVC Screw CSK - BZP_x000D_

A heavier gauge screw, generally used where extra strength is required such as attaching hinges to steel reinforced frame.
£ 21.15 21.15 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Zinc - 4.8 x 38
S/Drill PVC Screw CSK - BZP_x000D_

A heavier gauge screw, generally used where extra strength is required such as attaching hinges to steel reinforced frame.
£ 18.40 18.4 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Zinc - 4.8 x 32
S/Drill PVC Screw CSK - BZP_x000D_

A heavier gauge screw, generally used where extra strength is required such as attaching hinges to steel reinforced frame.
£ 18.29 18.29 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Zinc - 4.8 x 25
S/Drill PVC Screw CSK - BZP_x000D_

A heavier gauge screw, generally used where extra strength is required such as attaching hinges to steel reinforced frame.
£ 23.38 23.38 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Zinc - M4 x 38
S/Drill PVC Screw CSK - BZP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 15.03 15.03 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Yellow - M4 x 38
S/Drill PVC Screw CSK - ZYP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 15.03 15.03 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Zinc - M4 x 32
S/Drill PVC Screw CSK - BZP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 25.20 25.2 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Zinc - M4 x 25
S/Drill PVC Screw CSK - BZP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 21.51 21.51 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Yellow - M4 x 25
S/Drill PVC Screw CSK - ZYP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 21.51 21.51 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Zinc - M4 x 19
S/Drill PVC Screw CSK - BZP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 18.05 18.05 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Yellow - M4 x 19
S/Drill PVC Screw CSK - ZYP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 18.05 18.05 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Zinc - M4 x 16
S/Drill PVC Screw CSK - BZP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 16.39 16.39 GBP
Window Fabrication Screws Countersunk PH Metric Thread Self-Drilling Point Yellow - M4 x 16
S/Drill PVC Screw CSK - ZYP_x000D_

An alternative to the self-tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.
£ 16.39 16.39 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Zinc - 3.9 x 45
S/Drill PVC Screw CSK - BZP_x000D_

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present.
£ 13.73 13.73 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Yellow - 3.9 x 45
S/Drill PVC Screw CSK - ZYP_x000D_

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present.
£ 13.73 13.73 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Zinc - 3.9 x 29
S/Drill PVC Screw CSK - BZP_x000D_

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present.
£ 19.49 19.49 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Zinc - 3.9 x 38
S/Drill PVC Screw CSK - BZP_x000D_

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present.
£ 23.08 23.08 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Self-Drilling Point Yellow - 3.9 x 38
S/Drill PVC Screw CSK - ZYP_x000D_

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present.
£ 23.08 23.08 GBP
Window Fabrication Screws Countersunk PH Self-Tapping Thread Self-Drilling Point Martensitic Stainless Steel & Silver Organic - 3.9 x 38
S/Drill PVC Screw CSK - S/S_x000D_

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present. Stainless steel should be used where there is a corrosive environment.
£ 86.81 86.81 GBP