SCREWS M16X100 Material: A193 GR 8T Quantity: 55 pcs. NUTS M16 Material: A194 GR 8T Quantity: 55 pcs. SCREWS M20X70 Material: A193 GR 8T Quantity: 80 pcs. NUTS M20 Material: A194 GR 8T Quantity: 160 pcs. With Certificates (all screws must be threaded)