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): 8"
- Length (Minimum): 7.75"
- Length (Maximum): 8"
- 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
Length (Minimum) 7.75"
Length (Maximum) 8"
Across Flats (Basic) 2"
Diameter (Dimension) 1.25"
Coating Uncoated
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO040-1147X8
System of Measurement Inch
Product Class Externally Threaded Fasteners
Material Steel
Across Flats (Maximum) 2.000"
Origin Made in U.S.A.
Head Height, Overall (Minimum) 0.749"
Material Grade ASTM A325 Type 1
Thread Length Part Thread
Thread Direction Right-Hand Thread
Point Chamfered Point
Standards and Specifications ASME B18.2.6
Head Style Hex Head
Brand Aspen Fasteners
Drive Style External Hex Drive
Diameter (Maximum) 1.277"
Head Style Detail Washer Face
Material Processes Heat Treated
Head Height, Overall (Maximum) 0.813"
Pitch Coarse Thread
Length (Nominal) 8"
Thread Length (Nominal) 2"
Across Flats (Minimum) 1.938"
POS BO040-1147X8-000050
Thread Pitch 7
Diameter (Minimum) 1.223"
Diameter (Nominal) 1-1/4"
Head Height, Overall 25/32"
Category Hex Bolts, Heavy Structural
Order Machine Thread Fasteners
Hardness Rating Rockwell C24-C35
