Our Chicago Screws are machined using solid brass. They feature a smooth low profile dome shaped head. They are available in Standard or Mini sizes and in various finishes. Sold singly. Use in conjunction with our Chicago Posts or Headless Posts for a complete binding solution. The applications are limitless. For high volume pricing or any questions, please contact us. Size on product title refers to shank length. For more details on our products, how to measure and other helpful resources please visit our Product Guides. Please click on each item for detailed dimensions.