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): 4-1/4"
- Length (Minimum): 4"
- Length (Maximum): 4.25"
- 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 (Minimum) 1.938"
Coating Uncoated
Pitch Coarse Thread
Length (Minimum) 4"
Across Flats (Maximum) 2.000"
Hardness Rating Rockwell C24-C35
Diameter (Dimension) 1.25"
Diameter (Minimum) 1.223"
Head Style Detail Washer Face
Diameter (Maximum) 1.277"
Brand Aspen Fasteners
Head Height, Overall (Minimum) 0.749"
Head Style Hex Head
Thread Pitch 7
Thread Length (Nominal) 2"
Thread Length Part Thread
Material Steel
Standards and Specifications ASME B18.2.6
Head Height, Overall (Maximum) 0.813"
Head Height, Overall 25/32"
Material Processes Heat Treated
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO040-1147X414
System of Measurement Inch
Thread Direction Right-Hand Thread
Drive Style External Hex Drive
POS BO040-1147X414-000095
Point Chamfered Point
Length (Maximum) 4.25"
Across Flats (Basic) 2"
Material Grade ASTM A325 Type 1
Length (Nominal) 4-1/4"
Product Class Externally Threaded Fasteners
Category Hex Bolts, Heavy Structural
Origin Made in U.S.A.
Order Machine Thread Fasteners
Diameter (Nominal) 1-1/4"
