FINE THREAD 1 1/2" Wide Clamping Knob. Thickness: 7/16" Has an ergonomic sturdy grip for fast adjustment without a wrench. The ergonomic grip provides strong torque and easy manual operation. 304 Stainless Steel Bolts – highly resistant to corrosion and rust, making them ideal for both indoor and outdoor use, even in harsh environments or areas exposed to moisture. Durable and long-lasting for secure fastening. Versatile Design – Ideal for machinery, plates, panels, jigs, fixtures, and DIY projects; provides quick hand installation and removal for tool-free adjustments in shop, home, or field use. Acetyl Thermoplastic Knob – Hard, durable, chemical- and moisture-resistant material offers lightweight, non-conductive performance for easy tightening. Built in USA by Family-Owned Small Business, Backed by a Lifetime Warranty 5/16"-24 Thumb Screw Bolt with Hard Rosette Plastic Knob for Clamping Description: Enhance your fastening solutions with our 5/16"-24 thumb screw bolts featuring a hard rosette plastic knob designed for easy clamping. Made from durable 18-8 stainless steel, these thumb screws provide reliable performance and resistance to corrosion. Available in 2-pack and 4-pack options, they are perfect for various applications. Key Features: Material: Constructed from 18-8 stainless steel for excellent durability and corrosion resistance Thread Specification: 5/16"-24 fine thread for secure fastening Available Lengths: 1/2" 3/4" 1" 1.25" 1.5" 2" 2.5" Finger Grip Cap Dimensions: Approximately 1 1/2" wide x 3/8" thick for comfortable handling Pack Options: Available in packs of 2 or 4 Applications: These fine thread thumb screws are ideal for a variety of uses, including: Clamping materials securely Machinery and equipment adjustments Home improvement and DIY projects Assembly tasks requiring frequent removal The hand-adjustment feature allows for quick fastening, tightening, loosening, or removal without the need for additional tools, making them particularly useful in tight spaces where tool clearance is limited. - Head Type: Tee Head