5/16"-18 X 3/8" Flanged Button Head Hex Socket Cap Screws, Alloy Steel, Plain, Unbrako

PART NUMBER:
UB003-51618X38-001000
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  • Socket cap screws are precision fasteners often used in machine parts, die fixturing and clamping.
  • Flange acts like a built-in washer offering a larger bearing surface for load distribution.
  • An internal hex socket drive is also known as an Allen drive.
  • Alloy steel fasteners are significantly stronger than standard low carbon steel fasteners.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 5/16"
  • Thread Pitch: 18
  • Diameter (Dimension): 0.3125"
  • Length (Nominal): 3/8"
  • Thread Length (Nominal): 0.375"
  • Drive Recess Width (Minimum): 0.1875"
  • Drive Recess Width (Maximum): 0.19"
  • Drive Recess Depth: 0.105"
  • Head Diameter: 0.603"
  • Head Height, Overall: 0.166"
  • Flange Diameter: 0.68"
  • Flange Thickness: 0.058"
PRODUCT ATTRIBUTES
  • Category: Socket Head Cap Screws
  • System of Measurement: Inch
  • Brand: Unbrako®
  • Head Style: Button Head with Flange
  • Drive Style: Hex Socket Drive
  • Thread Length: Full Thread
  • Thread Direction: Right-Hand Thread
  • Material: Steel
  • Material Grade: Alloy Steel
  • Coating: Uncoated
  • Origin: Origin Undefined
Product UPC Code:
698435806696
Diameter (Nominal):
5/16"
Material Grade:
Alloy Steel
Material:
Steel
Thread Length:
Full Thread
Thread Direction:
Right-Hand Thread
Drive Style:
Hex Socket Drive
Head Style:
Button Head with Flange
Brand:
Unbrako(r)
System of Measurement:
Inch
Category:
Socket Head Cap Screws
Order:
Machine Thread Fasteners
Product Class:
Externally Threaded Fasteners
Length (Nominal):
3/8"
Thread Pitch:
18
Coating:
Uncoated
POS:
UB003-51618X38-001000
Thread Length (Nominal):
0.375"
Drive Recess Width (Minimum):
0.1875"
Flange Diameter:
0.68"
Drive Recess Width (Maximum):
0.19"
Head Height, Overall:
0.166"
Flange Thickness:
0.058"
Origin:
Origin Undefined
Shop by System of Measurement:
Inch
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product70/UB003-51618X38.PDF
cad_3d_file_url:
https://3d.aspenfasteners.com/assets/obj/UB003-51618X38.zip
Head Diameter:
0.603"
Shop by Material:
Steel
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/UB003-51618X38
Drive Recess Depth:
0.105"
Shop by Application:
Socket Products
Diameter (Dimension):
0.3125"
  • Description
    • Socket cap screws are precision fasteners often used in machine parts, die fixturing and clamping.
    • Flange acts like a built-in washer offering a larger bearing surface for load distribution.
    • An internal hex socket drive is also known as an Allen drive.
    • Alloy steel fasteners are significantly stronger than standard low carbon steel fasteners.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 5/16"
    • Thread Pitch: 18
    • Diameter (Dimension): 0.3125"
    • Length (Nominal): 3/8"
    • Thread Length (Nominal): 0.375"
    • Drive Recess Width (Minimum): 0.1875"
    • Drive Recess Width (Maximum): 0.19"
    • Drive Recess Depth: 0.105"
    • Head Diameter: 0.603"
    • Head Height, Overall: 0.166"
    • Flange Diameter: 0.68"
    • Flange Thickness: 0.058"
    PRODUCT ATTRIBUTES
    • Category: Socket Head Cap Screws
    • System of Measurement: Inch
    • Brand: Unbrako®
    • Head Style: Button Head with Flange
    • Drive Style: Hex Socket Drive
    • Thread Length: Full Thread
    • Thread Direction: Right-Hand Thread
    • Material: Steel
    • Material Grade: Alloy Steel
    • Coating: Uncoated
    • Origin: Origin Undefined
    Product UPC Code:
    698435806696
  • 3D Product View

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