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1"-8 X 2-1/2" Heavy Structural Hex Bolts, ASTM A490 Type 1, Steel

1"-8 X 2-1/2" Heavy Structural Hex Bolts, ASTM A490 Type 1, Steel

PART NUMBER:
BO139-18X212-000070
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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): 1"
  • Thread Pitch: 8
  • Diameter (Dimension): 1"
  • Diameter (Minimum): 0.976"
  • Diameter (Maximum): 1.022"
  • Length (Nominal): 2-1/2"
  • Length (Minimum): 2.31"
  • Length (Maximum): 2.5"
  • Thread Length (Nominal): 1.75"
  • Across Flats (Basic): 1-5/8"
  • Across Flats (Minimum): 1.575"
  • Across Flats (Maximum): 1.625"
  • Head Height, Overall: 39/64"
  • Head Height, Overall (Minimum): 0.591"
  • Head Height, Overall (Maximum): 0.627"
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
Head Height, Overall:
39/64"
Pitch:
Coarse Thread
Head Style:
Hex Head
Across Flats (Minimum):
1.575"
Across Flats (Maximum):
1.625"
Shop by Material:
Steel
Thread Pitch:
8
Brand:
Aspen Fasteners
Thread Direction:
Right-Hand Thread
Hardness Rating:
Rockwell C33-C38
Length (Nominal):
2-1/2"
Shop by System of Measurement:
Inch
Category:
Hex Bolts, Heavy Structural
Length (Maximum):
2.5"
Head Style Detail:
Washer Face
Diameter (Nominal):
1"
Material:
Steel
Product Class:
Externally Threaded Fasteners
Point:
Chamfered Point
System of Measurement:
Inch
Material Grade:
ASTM A490 Type 1
Head Height, Overall (Maximum):
0.627"
Across Flats (Basic):
1-5/8"
Standards and Specifications:
ASME B18.2.6
Diameter (Dimension):
1"
Thread Length (Nominal):
1.75"
Diameter (Maximum):
1.022"
Diameter (Minimum):
0.976"
Material Processes:
Heat Treated
Head Height, Overall (Minimum):
0.591"
Thread Length:
Part Thread
Drive Style:
External Hex Drive
Length (Minimum):
2.31"
Order:
Machine Thread Fasteners
Coating:
Uncoated
POS:
BO139-18X212-000070
  • 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): 1"
    • Thread Pitch: 8
    • Diameter (Dimension): 1"
    • Diameter (Minimum): 0.976"
    • Diameter (Maximum): 1.022"
    • Length (Nominal): 2-1/2"
    • Length (Minimum): 2.31"
    • Length (Maximum): 2.5"
    • Thread Length (Nominal): 1.75"
    • Across Flats (Basic): 1-5/8"
    • Across Flats (Minimum): 1.575"
    • Across Flats (Maximum): 1.625"
    • Head Height, Overall: 39/64"
    • Head Height, Overall (Minimum): 0.591"
    • Head Height, Overall (Maximum): 0.627"
    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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