1/4"-20 X 3/8" Hex Head Cap Screws Bolts, Silicon Bronze

PART NUMBER:
BO118-1420X38-000300
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  • Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
  • The washer face under the head provides a precision bearing surface.
  • The chamfered point improves engagement with a nut or pre-tapped hole.
  • Silicon Bronze: non-magnetic, corrosion resistant, and has good thermal and electrical conductivity.
  • Offers superior corrosion resistant as compared to stainless steel and is stronger than brass.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 1/4"
  • Thread Pitch: 20
  • Diameter (Dimension): 0.25"
  • Length (Nominal): 3/8"
  • Thread Length (Nominal): 0.375"
  • Across Flats (Basic): 7/16"
  • Across Flats (Minimum): 0.428"
  • Across Flats (Maximum): 0.438"
  • Head Height, Overall: 0.1563"
  • Head Height, Overall (Minimum): 0.150"
  • Head Height, Overall (Maximum): 0.163"
PRODUCT ATTRIBUTES
  • Category: Cap Screws
  • System of Measurement: Inch
  • Brand: Aspen Fasteners®
  • Head Style: Hex Head
  • Head Style Detail: Washer Face
  • Drive Style: External Hex Drive
  • Thread Direction: Right-Hand Thread
  • Point: Chamfered Point
  • Material: Silicon Bronze
  • Coating: Uncoated
  • Standards and Specifications: ASME B18.2.1
Product UPC Code:
698435077782
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Across Flats (Basic):
7/16"
Across Flats (Maximum):
0.438"
Across Flats (Minimum):
0.428"
Brand:
Aspen Fasteners(r)
Category:
Cap Screws
Coating:
Uncoated
Diameter (Dimension):
0.25"
Diameter (Nominal):
1/4"
Drive Style:
External Hex Drive
Head Height, Overall:
0.1563"
Head Height, Overall (Maximum):
0.163"
Head Height, Overall (Minimum):
0.150"
Head Style:
Hex Head
Head Style Detail:
Washer Face
Length (Nominal):
3/8"
Material:
Silicon Bronze
Order:
Machine Thread Fasteners
POS:
BO118-1420X38-000300
Point:
Chamfered Point
Product Class:
Externally Threaded Fasteners
Standards and Specifications:
ASME B18.2.1
System of Measurement:
Inch
Thread Direction:
Right-Hand Thread
Thread Length (Nominal):
0.375"
Thread Pitch:
20
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/BO118-1420X38
Shop by Material:
Silicon Bronze
Shop by System of Measurement:
Inch
  • Description
    • Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
    • The washer face under the head provides a precision bearing surface.
    • The chamfered point improves engagement with a nut or pre-tapped hole.
    • Silicon Bronze: non-magnetic, corrosion resistant, and has good thermal and electrical conductivity.
    • Offers superior corrosion resistant as compared to stainless steel and is stronger than brass.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 1/4"
    • Thread Pitch: 20
    • Diameter (Dimension): 0.25"
    • Length (Nominal): 3/8"
    • Thread Length (Nominal): 0.375"
    • Across Flats (Basic): 7/16"
    • Across Flats (Minimum): 0.428"
    • Across Flats (Maximum): 0.438"
    • Head Height, Overall: 0.1563"
    • Head Height, Overall (Minimum): 0.150"
    • Head Height, Overall (Maximum): 0.163"
    PRODUCT ATTRIBUTES
    • Category: Cap Screws
    • System of Measurement: Inch
    • Brand: Aspen Fasteners®
    • Head Style: Hex Head
    • Head Style Detail: Washer Face
    • Drive Style: External Hex Drive
    • Thread Direction: Right-Hand Thread
    • Point: Chamfered Point
    • Material: Silicon Bronze
    • Coating: Uncoated
    • Standards and Specifications: ASME B18.2.1
    Product UPC Code:
    698435077782

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