5/16"-18 Black Oxide Stainless Steel Button Head Socket Cap Screws
Screw Diameter - Thread Pitch: 5/16"-18
5/16"-18 Button Head Socket Cap Screws are bolts or machine screws with a Hex or Allen drive style.
- Creates a nice finished Look
- Clean and unstamped domed head with a flat bottom that protrudes above the installation surface
- Cylindrical head and hexagonal drive style
- Head diameter is nominally 1.5 times or more that of the screw shank (major) diameter
- Chemically treated to add a mild extra layer of corrosion and abrasion resistance
- Sleek black finished look
Black Oxide Stainless Steel Fasteners are commonly used in industries where the durability of Stainless Steel is required, but a smooth black look is desired. These industries include firearms, automotive (car and motorcycle), camping gear, archery, knife builds and product manufacturing.
Product Specifications
ANSI
ANSI B1.1
Corrosion Resistant
yes
Finish
Black Oxide
Head Diameter
Max 0.547 - Min 0.527
Head Height
Max 0.166 - Min 0.152
Hex Drive
3/16"
Material
Black Oxide 18-8 Stainless Steel
Product Type
Button Head Socket Cap Screws
Thread Diameter
(5/16") Max 0.3113 - Min 0.3026
Thread Direction
Right Hand
Thread Pitch (Count)
18 Per Inch
Thread Standard
UNC
Thread Type
Coarse
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