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): 4-1/2"
- Length (Minimum): 4.25"
- Length (Maximum): 4.5"
- 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: 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
Across Flats (Maximum) 2.000"
Head Height, Overall (Maximum) 0.813"
Pitch Coarse Thread
Brand Aspen Fasteners
Product Class Externally Threaded Fasteners
Material Steel
Category Hex Bolts, Heavy Structural
Order Machine Thread Fasteners
Material Processes Heat Treated
Thread Direction Right-Hand Thread
System of Measurement Inch
Standards and Specifications ASME B18.2.6
Diameter (Nominal) 1-1/4"
Drive Style External Hex Drive
Across Flats (Basic) 2"
Length (Maximum) 4.5"
Origin Made in U.S.A.
Diameter (Minimum) 1.223"
Coating Color Clear
Hardness Rating Rockwell C24-C35
Coating Hot Dip Galvanized
Head Style Detail Washer Face
Thread Length Part Thread
Point Chamfered Point
Head Height, Overall 25/32"
Head Height, Overall (Minimum) 0.749"
Head Style Hex Head
Material Grade ASTM A325 Type 1
Length (Nominal) 4-1/2"
Diameter (Maximum) 1.277"
Diameter (Dimension) 1.25"
Length (Minimum) 4.25"
Thread Pitch 7
Thread Length (Nominal) 2"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO039-1147X412
Across Flats (Minimum) 1.938"
POS BO039-1147X412-000050
