7/8"-9 X 3" Heavy Structural Hex Bolts, ASTM A490 Type 1, Steel

PART NUMBER:
BO139-789X3-000085
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  • Heavy hex structural bolts are designed to withstand the load of a steel-to-steel connection.
  • Commonly used in structural steel joint in construction and building applications.
  • Grade A490 bolts are stronger than Grade A325 but cannot be mechanically or hot dip galvanized.
  • The washer face under the head provides a precision bearing surface.
  • The chamfered point improves engagement with a nut or pre-tapped hole.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 7/8"
  • Thread Pitch: 9
  • Diameter (Dimension): 0.875"
  • Diameter (Minimum): 0.852"
  • Diameter (Maximum): 0.895"
  • Length (Nominal): 3"
  • Length (Minimum): 2.81"
  • Length (Maximum): 3"
  • Thread Length (Nominal): 1.5"
  • Across Flats (Basic): 1-7/16"
  • Across Flats (Minimum): 1.394"
  • Across Flats (Maximum): 1.438"
  • Head Height, Overall: 35/64"
  • Head Height, Overall (Minimum): 0.531"
  • Head Height, Overall (Maximum): 0.563"
PRODUCT ATTRIBUTES
  • Category: Hex Bolts, Heavy Structural
  • System of Measurement: Inch
  • Brand: Aspen Fasteners®
  • Head Style: Hex Head
  • Head Style Detail: Washer Face
  • Drive Style: External Hex Drive
  • Pitch: Coarse Thread
  • Thread Length: Part Thread
  • Thread Direction: Right-Hand Thread
  • Point: Chamfered Point
  • Material: Steel
  • Material Grade: ASTM A490 Type 1
  • Material Processes: Heat Treated
  • Coating: Uncoated
  • Hardness Rating: Rockwell C33-C38
  • Standards and Specifications: ASME B18.2.6
Thread Length:
Part Thread
Diameter (Dimension):
0.875"
Drive Style:
External Hex Drive
Order:
Machine Thread Fasteners
Head Style:
Hex Head
Diameter (Minimum):
0.852"
Head Height, Overall (Maximum):
0.563"
Category:
Hex Bolts, Heavy Structural
Thread Direction:
Right-Hand Thread
Material Processes:
Heat Treated
Head Style Detail:
Washer Face
Head Height, Overall (Minimum):
0.531"
Thread Length (Nominal):
1.5"
Across Flats (Basic):
1-7/16"
Pitch:
Coarse Thread
System of Measurement:
Inch
Shop by System of Measurement:
Inch
Product Class:
Externally Threaded Fasteners
Across Flats (Maximum):
1.438"
Diameter (Maximum):
0.895"
Standards and Specifications:
ASME B18.2.6
Thread Pitch:
9
Across Flats (Minimum):
1.394"
Length (Minimum):
2.81"
Material Grade:
ASTM A490 Type 1
Point:
Chamfered Point
Diameter (Nominal):
7/8"
Length (Maximum):
3"
Brand:
Aspen Fasteners(r)
Coating:
Uncoated
Shop by Material:
Steel
Head Height, Overall:
35/64"
Hardness Rating:
Rockwell C33-C38
Material:
Steel
Length (Nominal):
3"
  • Description
    • Heavy hex structural bolts are designed to withstand the load of a steel-to-steel connection.
    • Commonly used in structural steel joint in construction and building applications.
    • Grade A490 bolts are stronger than Grade A325 but cannot be mechanically or hot dip galvanized.
    • The washer face under the head provides a precision bearing surface.
    • The chamfered point improves engagement with a nut or pre-tapped hole.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 7/8"
    • Thread Pitch: 9
    • Diameter (Dimension): 0.875"
    • Diameter (Minimum): 0.852"
    • Diameter (Maximum): 0.895"
    • Length (Nominal): 3"
    • Length (Minimum): 2.81"
    • Length (Maximum): 3"
    • Thread Length (Nominal): 1.5"
    • Across Flats (Basic): 1-7/16"
    • Across Flats (Minimum): 1.394"
    • Across Flats (Maximum): 1.438"
    • Head Height, Overall: 35/64"
    • Head Height, Overall (Minimum): 0.531"
    • Head Height, Overall (Maximum): 0.563"
    PRODUCT ATTRIBUTES
    • Category: Hex Bolts, Heavy Structural
    • System of Measurement: Inch
    • Brand: Aspen Fasteners®
    • Head Style: Hex Head
    • Head Style Detail: Washer Face
    • Drive Style: External Hex Drive
    • Pitch: Coarse Thread
    • Thread Length: Part Thread
    • Thread Direction: Right-Hand Thread
    • Point: Chamfered Point
    • Material: Steel
    • Material Grade: ASTM A490 Type 1
    • Material Processes: Heat Treated
    • Coating: Uncoated
    • Hardness Rating: Rockwell C33-C38
    • Standards and Specifications: ASME B18.2.6

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