Machine Screws, Slotted Binding Head, Stainless Steel, #4-40 x 5/16"
Diameter - Thread Pitch: #4-40
- A Binding head is like a pan head but the head is thicker and has a thicker fastener recess
- Installed with a flat head (slotted) screwdriver or bit
- A machine screw is commonly identified by its small size
- Undercut and fully threaded
- Perfect for environments where freshwater is present
- Scratching or burring in the metal will not cause surface rust
#4-40 Knurled head thumb machine screws are available in 18-8 stainless steel.