ISO-15480 DIN7504K Hexagon Washer Head Self-drilling ScrewsSelf-drilling screws are common construction screws used to fasten metal structures in a quick and convenient way. Choosing the right screws with compliance will reduce a lot of working time and secure your building. Sun Through offers nice self-drilling screws with good quality at a competitive price. It is also known as Tek screws.
ISO 15480 adopted DIN-7504K and defines the dimensions, tolerance, mechanical properties and conditions for acceptance clearly. Sun Through's self-drilling screws are in compliance with the standards.
Head Dimension Reference
|Hexagon Cross Points||>7.59||>8.71||>8.71||>10.95|
|Head Hight (includ. wahser)||4.00-4.25||4.15-4.45||5.15-5.45||6.15-6.45|
|Wrench size to use||7mm||8mm||8mm||10mm|
Thread and length size reference.
|Nominal length||min.||max.||Thread Length (min.)|
*** specifications can be customized, contact us for specific specs***