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): 1/2"
- Thread Pitch: 13
- Diameter (Dimension): 0.5"
- Diameter (Minimum): 0.482"
- Diameter (Maximum): 0.515"
- Length (Nominal): 3-1/2"
- Length (Minimum): 3.38"
- Length (Maximum): 3.5"
- Thread Length (Nominal): 1"
- Across Flats (Basic): 7/8"
- Across Flats (Minimum): 0.850"
- Across Flats (Maximum): 0.875"
- Head Height, Overall: 5/16"
- Head Height, Overall (Minimum): 0.302"
- Head Height, Overall (Maximum): 0.323"
- 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
Coating Uncoated
Hardness Rating Rockwell C24-C35
Drive Style External Hex Drive
Pitch Coarse Thread
Head Height, Overall 5/16"
Head Style Detail Washer Face
Across Flats (Basic) 7/8"
Material Steel
Head Height, Overall (Minimum) 0.302"
Head Height, Overall (Maximum) 0.323"
Length (Maximum) 3.5"
Diameter (Minimum) 0.482"
Length (Nominal) 3-1/2"
POS BO040-1213X312-000750,BO040-1213X312-000200
Thread Length Part Thread
Thread Direction Right-Hand Thread
Across Flats (Maximum) 0.875"
System of Measurement Inch
Material Processes Heat Treated
Diameter (Maximum) 0.515"
Thread Length (Nominal) 1"
Category Hex Bolts, Heavy Structural
Order Machine Thread Fasteners
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO040-1213X312
Brand Aspen Fasteners
Product Class Externally Threaded Fasteners
Diameter (Dimension) 0.5"
Material Grade ASTM A325 Type 1
Origin Made in U.S.A.
Across Flats (Minimum) 0.850"
Length (Minimum) 3.38"
Point Chamfered Point
Thread Pitch 13
Head Style Hex Head
Standards and Specifications ASME B18.2.6
Diameter (Nominal) 1/2"
