1/4-20 x 1 1/4 Unslotted Indented Hex Thread Cutting Screw Type F Fully Threaded Zinc NS188B The internal sems feature means

The internal sems feature means that the washer is captive

These screws are corrosion-resistant and have a bright finish

They are non-ribbed and feature a flat head design

The 3/8-16 x 1 Hex Tap Bolt Grade 5 Fully Threaded Zinc is a high-quality fastener designed for secure and durable connections in various applications

The nickel-plated finish provides excellent corrosion resistance

1/4-20 x 1 1/4 Unslotted Indented Hex Thread Cutting Screw Type F Fully Threaded Zinc NS188B The internal sems feature means1 4 20 x 1 1 4" Unslotted Indented Hex Thread Cutting Screw Type F Fully Threaded Zinc is a type of screw with a 1 4" diameter, 20 threads per inch, and a length of 1 1 4". The screw has an un slotted indented hex head, which means that it has a hexagonal head with no slot for a screwdriver. The screw is also fully threaded, meaning that the threads extend the entire length of the screw. The screw is made of zinc, which provides resistance to