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): 1-1/8"
- Thread Pitch: 7
- Diameter (Dimension): 1.125"
- Diameter (Minimum): 1.098"
- Diameter (Maximum): 1.149"
- Length (Nominal): 4-1/2"
- Length (Minimum): 4.25"
- Length (Maximum): 4.5"
- Thread Length (Nominal): 2"
- Across Flats (Basic): 1-13/16"
- Across Flats (Minimum): 1.756"
- Across Flats (Maximum): 1.812"
- Head Height, Overall: 11/16"
- Head Height, Overall (Minimum): 0.658"
- Head Height, Overall (Maximum): 0.718"
- 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) 4.5"
Length (Minimum) 4.25"
Length (Nominal) 4-1/2"
Head Height, Overall 11/16"
Thread Length (Nominal) 2"
Across Flats (Minimum) 1.756"
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO039-1187X412
Across Flats (Basic) 1-13/16"
Across Flats (Maximum) 1.812"
Standards and Specifications ASME B18.2.6
Thread Direction Right-Hand Thread
Drive Style External Hex Drive
Product Class Externally Threaded Fasteners
Material Steel
Diameter (Maximum) 1.149"
Material Grade ASTM A325 Type 1
Pitch Coarse Thread
Point Chamfered Point
Brand Aspen Fasteners
Diameter (Minimum) 1.098"
System of Measurement Inch
Head Height, Overall (Minimum) 0.658"
Head Height, Overall (Maximum) 0.718"
Material Processes Heat Treated
Order Machine Thread Fasteners
Coating Color Clear
Category Hex Bolts, Heavy Structural
Diameter (Dimension) 1.125"
Head Style Hex Head
Hardness Rating Rockwell C24-C35
Head Style Detail Washer Face
Diameter (Nominal) 1-1/8"
Thread Length Part Thread
Origin Made in U.S.A.
Coating Hot Dip Galvanized
Thread Pitch 7
POS BO039-1187X412-000075