Material is made of high quality 304 stainless steel.
The steel can withstand severe weather and temperature changes, including extremely humid areas.
Widely used in all kinds of precision machinery industry, classified instruments, meters, electronic products, household appliances, communication products, locks, lamps, toys, cars, bicycles, furniture, etc.
Screw Specification: 
Thread Diameter 4.14 mm 
Head Diameter 8.18 mm 
Head Height 2.92 mm 
Screw Length #8-32×3/4", 7/8", 1", 5/8", 1/2", 3/8", 5/16", 1/4"
Phillips Drive System
High Quality Material 304 Stainless Steel

Package contains:
(10PCS)  #8-32×3/4"
(10PCS)  #8-32×7/8"
(10PCS)  #8-32×1"
(10PCS)  #8-32×5/8"
(10PCS)  #8-32×1/2"
(10PCS)  #8-32×3/8"
(10PCS)  #8-32×5/16"
(10PCS)  #8-32×1/4"
(80PCS)  #8-32 Nuts
Total: 160PCS
If you are not satisfied, please feel free to contact us, timely refund or replacement, we will provide professional service, please rest assured to buy.