Simpson Strong-Tie TTFA4 Decking Screw 4.2 x 45 x 7mm T-20 6 Lobe A4 (316) Stainless Steel (250 Box) (74386)
The TTFA4 is marine grade A4 stainless steel. Suitable for outdoor use and use in severe weather conditions, the TTFA4 has a ribbed countersunk head to ensure a neat finish and type 17 point to prevent timber from splitting upon insertion. The TTFA4 will not cause any discoloration of timber around the screw and is suitable for many timbers including oak, cedar and larch. TTFA4 is CE marked to EN14592, has a 6 lobe drive with driver bits included in every box of screws.
Suitable for marine environments and polluted industrial atmospheres. The TTFA4 screw will not discolour the woodwork around the screw head.
Suitable for precious woods such as oak, cedar or larch. The screw has a 6 lobe recess to ensure good grip and a cutpoint, which effectively drives the screw down into the woodwork and counteracts splitting.
Features
- CE marked to EN14592
- 6 lobe drive
- Ribbed flat countersunk head
- Coarse thread
- Type 17 point
- Marine grade stainless steel (A4)
Common Applications
- Timber to timber
- Extreme environments
- Decking to timber
- Precious woods including oak, cedar and larch