5/16"-18 X 1/2" Socket Head Cap Screws, Flat Countersunk Head Tamper-Resistant Hex Socket Pin Drive, Stainless Steel

PART NUMBER:
ST306-51618X12-000500
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  • Socket cap screws are precision fasteners often used in machine parts, die fixturing and clamping.
  • Flat countersunk head screws sit flush with the surface of the material they are inserted into.
  • 18-8 stainless steel is functionally interchangeable with type 304 stainless steel.
  • Stainless steel significantly improves resistance to tarnishing or corrosion.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 5/16"
  • Thread Pitch: 18
  • Diameter (Dimension): 0.3125"
  • Diameter (Minimum): 0.3053"
  • Diameter (Maximum): 0.3125"
  • Length (Nominal): 1/2"
  • Thread Length (Nominal): 0.5"
  • Drive Recess Size: 3/16"
  • Drive Recess Width: 0.188"
  • Drive Recess Depth: 0.135"
  • Head Diameter (Minimum): 0.6"
  • Head Diameter (Maximum): 0.656"
  • Head Height, Overall: 0.198"
PRODUCT ATTRIBUTES
  • Category: Socket Head Cap Screws
  • System of Measurement: Inch
  • Brand: Aspen Fasteners
  • Head Style: Flat Countersunk Head
  • Head Style Detail: 82 Degree Countersink
  • Drive Style: Tamper-Resistant Hex Socket Pin Drive
  • Thread Direction: Right-Hand Thread
  • Material: Stainless Steel
  • Material Grade: 18-8 Stainless Steel
  • Coating: Uncoated
  • Origin: Origin Undefined
Product UPC Code:
698435729476
Order:
Machine Thread Fasteners
Shop by System of Measurement:
Inch
Shop by Material:
Stainless Steel
Shop by Application:
Tamper-Resistant Security Fasteners
Product Class:
Externally Threaded Fasteners
Length (Nominal):
1/2"
Thread Pitch:
18
Diameter (Nominal):
5/16"
Coating:
Uncoated
Material Grade:
18-8 Stainless Steel
Material:
Stainless Steel
Thread Direction:
Right-Hand Thread
Drive Style:
Tamper-Resistant Hex Socket Pin Drive
Head Style Detail:
82 Degree Countersink
Head Style:
Flat Countersunk Head
Brand:
Aspen Fasteners
System of Measurement:
Inch
Category:
Socket Head Cap Screws
POS:
ST306-51618X12-000500
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product62/ST306-51618X12.PDF
Diameter (Minimum):
0.3053"
Origin:
Origin Undefined
Drive Recess Size:
3/16"
Head Diameter (Minimum):
0.6"
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/ST306-51618X12
Drive Recess Depth:
0.135"
Thread Length (Nominal):
0.5"
Diameter (Maximum):
0.3125"
Head Diameter (Maximum):
0.656"
Head Height, Overall:
0.198"
cad_3d_file_url:
https://3d.aspenfasteners.com/assets/obj/ST306-51618X12.zip
Drive Recess Width:
0.188"
Diameter (Dimension):
0.3125"
  • Description
    • Socket cap screws are precision fasteners often used in machine parts, die fixturing and clamping.
    • Flat countersunk head screws sit flush with the surface of the material they are inserted into.
    • 18-8 stainless steel is functionally interchangeable with type 304 stainless steel.
    • Stainless steel significantly improves resistance to tarnishing or corrosion.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 5/16"
    • Thread Pitch: 18
    • Diameter (Dimension): 0.3125"
    • Diameter (Minimum): 0.3053"
    • Diameter (Maximum): 0.3125"
    • Length (Nominal): 1/2"
    • Thread Length (Nominal): 0.5"
    • Drive Recess Size: 3/16"
    • Drive Recess Width: 0.188"
    • Drive Recess Depth: 0.135"
    • Head Diameter (Minimum): 0.6"
    • Head Diameter (Maximum): 0.656"
    • Head Height, Overall: 0.198"
    PRODUCT ATTRIBUTES
    • Category: Socket Head Cap Screws
    • System of Measurement: Inch
    • Brand: Aspen Fasteners
    • Head Style: Flat Countersunk Head
    • Head Style Detail: 82 Degree Countersink
    • Drive Style: Tamper-Resistant Hex Socket Pin Drive
    • Thread Direction: Right-Hand Thread
    • Material: Stainless Steel
    • Material Grade: 18-8 Stainless Steel
    • Coating: Uncoated
    • Origin: Origin Undefined
    Product UPC Code:
    698435729476
  • 3D Product View

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