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): 4-3/4"
- Length (Minimum): 4.5"
- Length (Maximum): 4.75"
- 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
Diameter (Dimension) 1.25"
Diameter (Nominal) 1-1/4"
Head Height, Overall 25/32"
Hardness Rating Rockwell C24-C35
Category Hex Bolts, Heavy Structural
Brand Aspen Fasteners
Thread Length Part Thread
POS BO040-1147X434-000085
Drive Style External Hex Drive
Order Machine Thread Fasteners
Coating Uncoated
Length (Nominal) 4-3/4"
Origin Made in U.S.A.
Thread Length (Nominal) 2"
Length (Maximum) 4.75"
Thread Pitch 7
Product Class Externally Threaded Fasteners
Head Style Hex Head
Material Grade ASTM A325 Type 1
System of Measurement Inch
Material Steel
Standards and Specifications ASME B18.2.6
Pitch Coarse Thread
Across Flats (Basic) 2"
Head Height, Overall (Minimum) 0.749"
Head Style Detail Washer Face
Material Processes Heat Treated
Across Flats (Minimum) 1.938"
Head Height, Overall (Maximum) 0.813"
Thread Direction Right-Hand Thread
Across Flats (Maximum) 2.000"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO040-1147X434
Point Chamfered Point
Diameter (Minimum) 1.223"
Length (Minimum) 4.5"
Diameter (Maximum) 1.277"
