1/4-20 x 1 Unslotted Indented Hex Head Thread Cutting Screw Type 23 Full Thread Zinc MWW5 #8 Countersunk Finishing Washers are

#8 Countersunk Finishing Washers are made of 18-8 stainless steel

It is made of durable zinc yellow material and features a nylon insert that helps to prevent loosening

Its indented hex washer head provides a secure hold and prevents the screw from loosening over time

3/16" x 1-3/4" Slotted Hex Washer Concrete Screw with Drill Bit Blue Perma Seal is a high-performance concrete screw designed for fastening into concrete

They have a Phillips/slotted drive and are designed for use in a variety of applications

1/4-20 x 1 Unslotted Indented Hex Head Thread Cutting Screw Type 23 Full Thread Zinc MWW5 #8 Countersunk Finishing Washers areThe 1 4 20 x 1 Unslotted Indented Hex Head Thread Cutting Screw Type 23 Full Thread Zinc is a versatile and durable fastener designed for a wide range of applications. It features a 1 4 inch diameter, 20 threads per inch, and a length of 1 inch. The unthreaded portion of the screw is 1 4 inch long, while the threaded portion is 3 4 inch long. The screw has an indented hex head that provides a secure grip for driving and prevents slippage. The Type 23