• Made of 304 stainless steel (class A2-70) for excellent corrosion and rust resistance. • Self-tapping design with a sharp point allows penetration of wood, metal, and plastic without pre-drilling. • Countersunk flat head with a cross recess for an aesthetic flush finish with the surface. • M4 20 mm screws with deep, uniform threads ensure firm and durable fastening. • The set includes 2 PH2 bits of 25 mm and 50 mm to facilitate installation at different depths. • Versatile applications in furniture assembly, carpentry, DIY, and professional technical maintenance.