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: Hot Dip Galvanized
- Coating Color: Clear
- Hardness Rating: Rockwell C24-C35
- Origin: Made in U.S.A.
- Standards and Specifications: ASME B18.2.6
Product Videos
Custom Field
Length (Maximum) 4.25"
Product Class Externally Threaded Fasteners
Length (Nominal) 4-1/4"
Length (Minimum) 4"
Point Chamfered Point
Diameter (Maximum) 1.277"
Across Flats (Maximum) 2.000"
Coating Color Clear
Head Height, Overall (Minimum) 0.749"
Material Grade ASTM A325 Type 1
Thread Direction Right-Hand Thread
Diameter (Dimension) 1.25"
Thread Length Part Thread
Pitch Coarse Thread
POS BO039-1147X414-000055
Across Flats (Basic) 2"
Head Style Hex Head
Drive Style External Hex Drive
Standards and Specifications ASME B18.2.6
Order Machine Thread Fasteners
Diameter (Minimum) 1.223"
Thread Length (Nominal) 2"
Head Height, Overall 25/32"
Head Height, Overall (Maximum) 0.813"
Diameter (Nominal) 1-1/4"
Brand Aspen Fasteners
Category Hex Bolts, Heavy Structural
Head Style Detail Washer Face
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO039-1147X414
Thread Pitch 7
System of Measurement Inch
Coating Hot Dip Galvanized
Material Steel
Material Processes Heat Treated
Origin Made in U.S.A.
Hardness Rating Rockwell C24-C35
Across Flats (Minimum) 1.938"
