The shoulder is a cylindrical section between the head and the threaded shaft that provides additional support and prevents the screw from sinking too deeply into the material it is being fastened to
It is 3/4-inch long and is commonly used in various applications
These 8-15 x 1 1/2 Phillips flat self-tapping screws are Type A fully threaded screws made of zinc
The 6-32 x 3 1/4 Phillips Pan Machine Screw Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications
These 10-16 x 3/8" Square Truss Self Tapping Screw Type AB Fully Threaded Zinc screws are designed for use in a variety of applications
.375-.875 MS15795 Military Flat Washer 300 Series Stainless Steel DFAR Black Ox M5-0.8 The shoulder is a cylindricalThe . 375 . 875 MS15795 Military Flat Washer is a high strength, corrosion resistant fastener designed for use in demanding military applications. Constructed from 300 series stainless steel and coated with a DFAR black oxide finish, this washer provides excellent resistance to wear, corrosion, and chemicals. Its flat design distributes load evenly, preventing damage to the mating surfaces. The washer meets the specifications of MS15795 and is