Machine Thumb Screw, Hillman, Zinc-Plated, 5/16 in x 18 1 in, 1 pk

Thumb screws make for easy hand adjustments as they are designed to be turned with just your thumb and forefinger. Fully adjustable, they offer a wide variety of household and mechanical applications.

• Large, spade-head construction allows for simple, hand-tightened adjustment
• Thumb screws are fully adjustable, removable and reusable
• For use with a nut or inserted into a threaded receptacle to fasten parts together
• Made of high-strength steel