1/4-20 x 1 1/2 Thumb Screw Plain Fully Thread Zinc ABQT The six lobe pan head

The six lobe pan head provides a secure grip for driving and prevents the screw from slipping

- Finish: Bright

and it is also full threaded for added strength

The #2 Medium Split Lock Washer 316 Stainless Steel is a versatile and durable fastener designed to prevent nuts and bolts from loosening due to vibration or movement

They have a wafer head and a full thread

1/4-20 x 1 1/2 Thumb Screw Plain Fully Thread Zinc ABQT The six lobe pan head1 4 20 x 1 1 2 Thumb Screw Plain Fully Thread Zinc This thumb screw is made of steel with a zinc plated finish. It has a 1 4 20 thread size and is 1 1 2 inches long. The head of the screw is knurled for easy gripping. This screw is commonly used in a variety of applications, including securing panels, holding objects in place, and making adjustments.