5/16"-18 Flat Socket Head Screw 316 Stainless Steel

5/16"-18 | 316 Stainless Steel Flat Head Socket Cap Screws

Screw Diameter - Thread Pitch: 5/16"-18


5/16"-18 Flat Head Socket Cap Screws are machine screws with a Hex drive style.

  • Clean and unstamped flat head
  • Countersunk bottom that runs flush with the installation surface
  • Cylindrical head
  • Hexagonal drive style
  • Fully threaded up to the countersink
  • Corrosion and rust resistant
  • Ideal for exterior or long lasting applications exposed to fresh water moisture
Head height is measured from the bottom of the countersink to the top of the head


Sizes Listed As:
Diameter - Thread Pitch x Length from Top of Head

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Product Specifications
ASTM
F 835
Body Diameter
5/16" (Max 0.3113 - Min 0.3026)
Color
Silver
Corrosion Resistant
Yes
Diameter
5/16"
Drive Style
Hex Socket
Head Diameter
Max 0.656 - Min 0.600
Head Height Max
0.198
Head Style
Flat
Hex Drive
3/16"
Marine Grade
Yes
Material
Stainless Steel 316
Overall Head Height
Max 0.198 - Min 0.181
Product Type
Socket Cap Screws
Standards Met
ASTM F 835
Thread Direction
Right Hand
Thread Pitch (Count)
18
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
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