|Screw Length||1/2 in||Size||#8|
|Thread Pitch (mm)||0.03125 mm||Threads Per Inch (TPI)||32|
|Drive Style||Phillips||Fastener Color||Silver|
|Fastener Material||Stainless Steel||Fastener Plating||Stainless Steel|
|Fastener Type||Sheet Metal Screws||Features||Self Tapping|
|Head Style||Pan Head||Included||No Additional Items Included|
|Interior/Exterior||Exterior, Interior||Materials Fastened||Metal to Metal|
|Measurement Standard||UNC||Package Quantity||50|
|Product Weight (lb.)||0.02 lb||Returnable||90-Day|
A: The #8 x 1/2 in. Phillips Pan Head Stainless Steel Sheet Metal Screw (50-Pack) is SS304.
A: They don't say, so it is probably 304. That is the most common for the price that I've seen. If you need to be more technical than that, you will have to order special.
A: You will need to use machine screws with nuts to get it tight with no spin.