3.5mm x 20mm A4-AISI 316 No. 6 Pozi Self Tapping Pan Head (6.7mm Diameter Head) Screws DIN 7981C Z - 303.020.035 .

A4 Marine grade 316 Stainless Steel
Self tapping screw with Pozi Head
No.6 (3.5mm)
Length: 20mm
Head Diameter: 6.9mm

Fits inside our TECNI®Grip TG 1.2 Ceiling attachment with side exit for 0.8mm - 1.25mm cable - 029.006.031