Brass Knurled Head Thumb Screws Knurled head intended to be driven by fingersASME Sizing Standards specificAesthetically pleasing and typically used for ornamental or decorative productsCorrosion Resistant Brass Brass Knurled Head Thumb Screws are ASME standards specific. These brass screws are installed with your fingers and are commonly used on decorative applications including light fixtures and furniture, and are also used applications where removal or adjustments may be frequent, such as piping and machinery. Knurled Head Machine Screws are solid brass, which is used for its durability and finished look. WARNING: This product can expose you to chemicals such as nickel, lead, or chromium, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Product Specifications: Material: BrassProduct Type: Thumb ScrewHead Style: KnurledStandards Met: ANSI B18.6.3Fit: Class 2AHardness: 40-75 Rockwell BTensile: 50,000 - 65,000 PSIYield: 30,000 - 50,000 PSIHead Diameter: 7/16"Head Height: 3/8"Thread Size: #10-24Thread Diameter: #10 (Max 0.1890 - Min 0.1818)Thread Pitch: 24 Per InchThread Type: UNC (Coarse) Brass Thumb Screws Brass Screws Knurled head thumb screws in this selection are made from alloy 360 brass. Brass is an alloy made of copper and zinc, and is prized for its corrosion resistance and conductivity (and of course its decorative look). Decorative Knurled Head Knurled Head Thumb Screws feature a raised, decorative top designed to be driven by hand. The head sits above the installation surface and provides an ornamental finished look. Common Applications Brass thumb screws are commonly used in applications where adjustments or removal may be frequent, which is why the manual drive style offers convenience. They are commonly seen in furniture making, carpentry projects, pipes, musical instruments and general machinery.