3/8"-24 Fine Thread Thumb Screw Bolts with Black Butterfly Tee Wing Clamping Knob Description: These 3/8"-24 fine thread thumb screw bolts feature a black butterfly tee wing clamping knob, allowing for easy, tool-free hand adjustments. These bolts provide precise and secure fastening, ideal for applications where frequent tightening and loosening are needed. The butterfly wing knob offers a comfortable, slip-resistant grip, making it perfect for tight spaces and projects requiring frequent adjustments. Key Features: Fine Thread: 3/8"-24 fine thread for precision fastening Ergonomic Butterfly Knob: Black tee wing knob for comfortable hand-tightening Compact Length: 1 inch length for versatile applications Durable Design: Ideal for repeated use in both industrial and DIY settings These thumb screw bolts provide reliable, easy-to-use clamping for projects like machinery, electronics, and woodworking, delivering both functionality and a professional finish. - Head Type: Tee Head - Head Type: Tee Head