3/8″-24 Thumb Screw T Bolts Fine Thread Red Tee Wing Knob Stainless Steel UNF
3/8″-24 Clamping Knob Thumb Screws with Butterfly Tee Wing Knob. 3/8″-24 SS T Bolt Thumb Screw with Plastic Tee Knob. Various Sizes (fine thread). 3/8″-24 Clamping Knob Thumb Screws with Delrin T. Red Plastic Tee Bolt Knob is Pressed On.