Machine Screws, Star Drive Pan Head, 6-Lobe Torx, Black Oxide Stainless Steel 18-8, #5-40 x 1/2"
Diameter - Thread Pitch: #5-40
- A machine screw is commonly identified by its small size
- Star drive (6 lobe) drive style can prevent accidental stripping during an installation
- 6 lobe grips the head better allowing for more torque on a screw
- Star drive styles have become widespread due to their efficiency
- Black oxide screws are chemically altered to change qualities of the metal: Most noticeably the color
- Treatment adds another level of corrosion and abrasion resistance to stainless steel
- Black oxide finish is infused with wax or oil during the process to comply with military specifications as a Class 4 finish
Star drive pan head machine screws are available in black oxide 18-8 stainless steel.
Product number:
158024-0012