1-1/4"-7 X 4" Heavy Structural Hex Bolts, ASTM A325 Type 1, Steel, Made in U.S.A.

PART NUMBER:
BO040-1147X4
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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.
  • 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): 1-1/4"
  • Thread Pitch: 7
  • Diameter (Dimension): 1.25"
  • Diameter (Minimum): 1.223"
  • Diameter (Maximum): 1.277"
  • Length (Nominal): 4"
  • Length (Minimum): 3.75"
  • Length (Maximum): 4"
  • Thread Length (Nominal): 2"
  • Across Flats (Basic): 2"
  • Across Flats (Minimum): 1.938"
  • Across Flats (Maximum): 2.000"
  • Head Height, Overall: 25/32"
  • Head Height, Overall (Minimum): 0.749"
  • Head Height, Overall (Maximum): 0.813"
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 A325 Type 1
  • Material Processes: Heat Treated
  • Coating: Uncoated
  • Hardness Rating: Rockwell C24-C35
  • Origin: Made in U.S.A.
  • Standards and Specifications: ASME B18.2.6
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Thread Pitch:
7
Category:
Hex Bolts, Heavy Structural
Across Flats (Maximum):
2.000"
Head Style Detail:
Washer Face
Length (Nominal):
4"
Shop by Material:
Steel
Thread Length (Nominal):
2"
Material Processes:
Heat Treated
Pitch:
Coarse Thread
Origin:
Made in U.S.A.
Across Flats (Basic):
2"
Drive Style:
External Hex Drive
Length (Minimum):
3.75"
Material:
Steel
Head Height, Overall:
25/32"
Point:
Chamfered Point
Head Height, Overall (Maximum):
0.813"
Diameter (Maximum):
1.277"
Diameter (Minimum):
1.223"
Hardness Rating:
Rockwell C24-C35
Thread Length:
Part Thread
Across Flats (Minimum):
1.938"
Product Class:
Externally Threaded Fasteners
Brand:
Aspen Fasteners(r)
Coating:
Uncoated
Length (Maximum):
4"
Head Height, Overall (Minimum):
0.749"
Standards and Specifications:
ASME B18.2.6
System of Measurement:
Inch
Thread Direction:
Right-Hand Thread
Material Grade:
ASTM A325 Type 1
Shop by System of Measurement:
Inch
Head Style:
Hex Head
Diameter (Nominal):
1-1/4"
Order:
Machine Thread Fasteners
Diameter (Dimension):
1.25"
  • 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.
    • 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): 1-1/4"
    • Thread Pitch: 7
    • Diameter (Dimension): 1.25"
    • Diameter (Minimum): 1.223"
    • Diameter (Maximum): 1.277"
    • Length (Nominal): 4"
    • Length (Minimum): 3.75"
    • Length (Maximum): 4"
    • Thread Length (Nominal): 2"
    • Across Flats (Basic): 2"
    • Across Flats (Minimum): 1.938"
    • Across Flats (Maximum): 2.000"
    • Head Height, Overall: 25/32"
    • Head Height, Overall (Minimum): 0.749"
    • Head Height, Overall (Maximum): 0.813"
    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 A325 Type 1
    • Material Processes: Heat Treated
    • Coating: Uncoated
    • Hardness Rating: Rockwell C24-C35
    • Origin: Made in U.S.A.
    • Standards and Specifications: ASME B18.2.6

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