Timco Metal Construction Heavy Section Screws - Hex - Self-Drilling - Bi-Metal - Exterior - Silver Organic 5.5 x 55 - 100 Pieces Half Round Drainage Pre-programmed & ready to use

Pre-programmed & ready to use

33cm rods offer a convenient alternative to full length rods

No rinsing cycle

7 pH (in-use) 6

Suitable as a new header tank ball valve or for when replacing an existing one

Timco Metal Construction Heavy Section Screws - Hex - Self-Drilling - Bi-Metal - Exterior - Silver Organic 5.5 x 55 - 100 Pieces Half Round Drainage Pre-programmed & ready to useDescription Timco Metal Construction Heavy Section Screws Hex Self Drilling Bi Metal Exterior Silver Organic 5. 5 x 55 100 Pieces product description: Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre drill a hole. Product features: Hardened carbon steel drill tip fused on to an A2 304 Austenitic Stainless Steel body Material: Bi Metal A2 304 Stainless Steel Carbon Steel Finish: Exterior (Silver Organic) Point Type: