Bolt Depot - Product Catalog

Winter weather advisory

Due to the forecasted extreme weather on the East Coast, Bolt Depot may have a temporary closure on Monday, January 26, 2026, to ensure the safety of our team. Orders in transit, including express orders, may be affected by weather delays.

Filters:

40
1/2"
18-8
Phillips
Flat
Stainless steel
Remove All

US Fasteners, 40, 1/2", Stainless steel 18-8, Phillips flat head

Machine screws

Screws with machine threads for use with a nut or in a tapped hole.

Filters

Units

Material

Grade

Diameter

Thread count/pitch

Length

Drive type

Head style

US Fasteners, 40, 1/2", Stainless steel 18-8, Phillips flat head

Machine screws

Units

Material

Grade

Diameter

Thread count/pitch

Length

Drive type

Head style

US Fasteners, 40, 1/2", Stainless steel 18-8, Phillips flat head

Machine screws

We use cookies