Product 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.
- Diameter (Nominal): 1-1/4"
- Thread Pitch: 7
- Diameter (Dimension): 1.25"
- Diameter (Minimum): 1.223"
- Diameter (Maximum): 1.277"
- Length (Nominal): 3-3/4"
- Length (Minimum): 3.5"
- Length (Maximum): 3.75"
- 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"
- 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
Product Videos
Custom Field
Across Flats (Basic) 2"
Head Height, Overall 25/32"
System of Measurement Inch
Length (Minimum) 3.5"
Drive Style External Hex Drive
Product Class Externally Threaded Fasteners
Material Grade ASTM A325 Type 1
Length (Nominal) 3-3/4"
Head Style Hex Head
Coating Uncoated
Order Machine Thread Fasteners
Pitch Coarse Thread
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO040-1147X334
POS BO040-1147X334-000110
Thread Direction Right-Hand Thread
Category Hex Bolts, Heavy Structural
Head Style Detail Washer Face
Length (Maximum) 3.75"
Across Flats (Maximum) 2.000"
Thread Length (Nominal) 2"
Material Steel
Thread Pitch 7
Head Height, Overall (Maximum) 0.813"
Standards and Specifications ASME B18.2.6
Hardness Rating Rockwell C24-C35
Material Processes Heat Treated
Diameter (Dimension) 1.25"
Across Flats (Minimum) 1.938"
Thread Length Part Thread
Diameter (Nominal) 1-1/4"
Origin Made in U.S.A.
Brand Aspen Fasteners
Diameter (Maximum) 1.277"
Head Height, Overall (Minimum) 0.749"
Diameter (Minimum) 1.223"
Point Chamfered Point
