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): 8-1/2"
- Length (Minimum): 8.25"
- Length (Maximum): 8.5"
- 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
Material Processes Heat Treated
Thread Direction Right-Hand Thread
Diameter (Maximum) 1.277"
Across Flats (Minimum) 1.938"
Length (Maximum) 8.5"
Across Flats (Maximum) 2.000"
Category Hex Bolts, Heavy Structural
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO040-1147X812
Head Height, Overall (Minimum) 0.749"
Point Chamfered Point
Head Style Detail Washer Face
Diameter (Minimum) 1.223"
Thread Pitch 7
Head Style Hex Head
Material Steel
Length (Nominal) 8-1/2"
Brand Aspen Fasteners
POS BO040-1147X812-000040
Across Flats (Basic) 2"
Product Class Externally Threaded Fasteners
System of Measurement Inch
Coating Uncoated
Pitch Coarse Thread
Drive Style External Hex Drive
Head Height, Overall (Maximum) 0.813"
Order Machine Thread Fasteners
Diameter (Dimension) 1.25"
Length (Minimum) 8.25"
Diameter (Nominal) 1-1/4"
Thread Length (Nominal) 2"
Standards and Specifications ASME B18.2.6
Head Height, Overall 25/32"
Thread Length Part Thread
Origin Made in U.S.A.
Material Grade ASTM A325 Type 1
Hardness Rating Rockwell C24-C35
