AISI 1022 Stainless Steel Grade Screws Self-Drilling (3.9x13-16-19-22-25-28-32-38mm) PH2 Drive CSK (Countersunk) Head No Mills or Ribs! 13mm (x6,000pcs) 16mm (x6,000pcs) 19mm (x20,000pcs) 22mm (x4,000pcs) 25mm (x4,000pcs) 28mm (x4,000pcs) 32mm (x20,000pcs) 38mm (x16,000pcs) Needle-Point (4.0x25-30-35mm) PH2 Drive CSK (Countersunk) Head No Mills or Ribs! 25mm (x10,000pcs) 30mm (x6,000pcs) 35mm (x4,000pcs) 40mm (x2,000pcs) 45mm (x2,000pcs) 50mm (x2,000pcs) 7.5mm Installation screws.TX30 (AW30) Drive. Cylinder Head (bullethead) Small Head. Zinc Silver. 70mm (x20,000pcs) 90mm (x800pcs) 100mm (x600pcs) 110mm (x800pcs) Metric Handle screws: CSK (Countersunk Head) PH2 (Drive) M5x25mm (x300pcs) M5x45mm (x300pcs)