Thread Size : M1.6-M48 &4# -1" Allen cap screws 1. Standard: DIN912/BS2470/ISO898/ANSI B18.3 2. Thread Size: M1.6-M48 &4# -1" 3. Grade: 12.9. -14.9, A2, A4 4. Surface treatment: Black oxide or natural color 5. Package: Inner carton, then on pallet. Our range includes hexagon socket counter - sunk head screws, cheese head slotted screws, countersunk head slotted screws, counter sunk raised head slotted screws, pan phillipse head screw, counter sunk phillipse raised head screws, slotted cheese trim head machine screws, socket head allen cap screws, allen counter sunk socket head cap screws, socket head shoulder screws, socket head cap screw low head, hexagon socket set screw with flat point, hexagon socket set screws with cone point, hexagon socket set screw with dog point, hexagon socket set screws with dog point, hexagon socket set screws with cup point and imperial socket cap screws At PROSPER we strive for perfection. To us perfection means top quality and on time shipment. We specialize in short-runs enabling our customers to purchase minimum quantities of Products with economical price. We monitor the progress of each part from initial order, Through production to shipment. Meanwhile, we tightly control producing schedules to Assure in-time delivery. Customers are at the center of everything we do. We are dedicated to improving our customer's Performance by delivering unparalleled value and innovation service. We also perform strict Inspections from incoming raw material to the final products to assure our clients of good Quality.