These Socket Head Cap Screws are used where you need a fastener with a smaller head diameter OR the torque that an Allen Wrench can provide. All of our Socket Cap Screws are made to METRIC DIN Specifications. Made from A2 (304) Stainless Steel, they are excellent for use where corrosion resistance and Metric Thread are required. CONTACT OUR SALES DEPARTMENT FOR ADDITIONAL SIZES AND BULK PRICING.