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): 3-1/2"
- Length (Minimum): 3.25"
- Length (Maximum): 3.5"
- 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
Brand Aspen Fasteners
Order Machine Thread Fasteners
Material Processes Heat Treated
Drive Style External Hex Drive
Category Hex Bolts, Heavy Structural
Product Class Externally Threaded Fasteners
Thread Direction Right-Hand Thread
Head Height, Overall (Maximum) 0.813"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO039-1147X312
Coating Color Clear
Material Grade ASTM A325 Type 1
Diameter (Maximum) 1.277"
Head Height, Overall 25/32"
Origin Made in U.S.A.
Coating Hot Dip Galvanized
Diameter (Nominal) 1-1/4"
POS BO039-1147X312-000070
Thread Pitch 7
Hardness Rating Rockwell C24-C35
Head Style Hex Head
Head Height, Overall (Minimum) 0.749"
Across Flats (Basic) 2"
Pitch Coarse Thread
Thread Length Part Thread
Length (Minimum) 3.25"
Thread Length (Nominal) 2"
Length (Maximum) 3.5"
Standards and Specifications ASME B18.2.6
Diameter (Minimum) 1.223"
Head Style Detail Washer Face
Diameter (Dimension) 1.25"
Point Chamfered Point
Material Steel
Across Flats (Minimum) 1.938"
System of Measurement Inch
Across Flats (Maximum) 2.000"
Length (Nominal) 3-1/2"
