Screw 5.5 x 25 + 16mm dia Washer bonded with EPDM rubber, Stainless Steel Self Drill: CEVaC FF4250

Other options available:

Screw, 5.5mm x 25mm, Hex Head,  Mild Steel Bright Zinc Plate, Self Drill: CEVaC FF4235

Screw, 4.2 x 16 TRLC Wafer Head, Philips Drive Mild Steel Bright Zinc Plate Self Drill: CEVaC FF4240

Screw 5.5 x 25 + 16mm diameter Washer bonded with EPDM rubber,Stainless Steel Self Drill: CEVaC FF4250

Screw, M5.5 x 15mm Stainless Steel 304, Self Drill: CEVaC FF4255

Screw 4.2 x 13,  Posi Drive,  Pan Head, Stainless Steel Self Drill: CEVaC FF4260

Screw 4.2 x 13,  Slotted,  Pan Head, Stainless Steel Self Tap: CEVaC FF4261

Screw 3.9 x 16 Posi Drive Martensitic Magnet Stainless Steel Self Drill: CEVaC FF4265

Screw, 4.2 x 13mm, Pan Head Square drive, Stainless Steel 305, Self Drill: CEVaC FF4304

Screw Bits, Square Drive (for Self Drilling Screws): CEVaC FF4330

Screw, 4.2 x 13, Pan Head Cross Drive, Mild Steel Bright Zinc Plate, Self Drill: CEVaC FF4350

Screw, 4.2 x 13 + Drive Bit Philips Pan Head, Dry Wall, Mild Steel,Self Drill: CEVaC FF4355

Screw, 4.2 x 13 Pan Head Posidrive Mild Steel Bright Zinc Plate (AB No 8 x 13), Self Tap: CEVaC FF4360

Screw, 4.2 x 13 Pan Head Posidrive Stainless Steel AB No 8 x 13 Self Tapper: CEVaC FF4361

Screw, 3.5 x 6.5mm, Pan Head Posidrive Mild Steel Bright Zinc Plate Self Tap: CEVaC FF4362

Screw, No.14 x 80 (M5.5) Hex Head, Mild Steel complete with 16mm washer, Self Tap: CEVaC FF4365

Screw, 4.8 x 13mm, Hex Head, Slotted, Stainless Steel, Self Tap: CEVaC FF4370

Screw, 4.8 x 19mm, Pan Head, Slotted,  Mild Steel Bright Zinc Plate, Self Tap: CEVaC FF4373

Many other sizes available on request