Hi-Lo screws for plastic materials, pan head UNI 9707 5X12 Material: stainless steel A2 Quantity: 5000 pcs. Hi-Lo screws for plastic materials, countersunk flat head UNI 9709 4X30 Material: stainless steel A2 Quantity: 5000 pcs. Screws for plastic materials, pan head UNI 9789 5X12 Material: stainless steel A2 Quantity: 5000 pcs. Screws for plastic materials, countersunk flat head UNI 9790 4X30 Material: stainless steel A2 Quantity: 5000 pcs.