1″-8 X 4″ Heavy Structural Hex Bolts, ASTM A490 Type 1, Steel

Description

• Heavy hex structural bolts are designed to withstand the load of a steel-to-steel connection.
• Commonly used in structural steel joint inconstruction and building applications.
• Grade A490 bolts are stronger than Grade A325 but cannot be mechanically or hot dip galvanized.
• The washer face under the head provides a precision bearing surface.
• The chamfered point improves engagement with a nut or pre-tapped hole.

DIMENSIONAL ATTRIBUTES

• Diameter (Nominal): 1″
• Thread Pitch: 8
• Diameter (Dimension): 1″
• Diameter (Minimum): 0.976″
• Diameter (Maximum): 1.022″
• Length (Nominal): 4″
• Length (Minimum): 3.81″
• Length (Maximum): 4″
• Thread Length (Nominal): 1.75″
• Across Flats (Basic): 1-5/8″
• Across Flats (Minimum): 1.575″
• Across Flats (Maximum): 1.625″
• Head Height, Overall: 39/64″
• Head Height, Overall (Minimum): 0.591″
• Head Height, Overall (Maximum): 0.627″

PRODUCT ATTRIBUTES

• Category: Hex Bolts, HeavyStructural
• 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 A490 Type 1
• Material Processes: Heat Treated
• Coating: Uncoated
• Hardness Rating: Rockwell C33-C38
• Standards and Specifications: ASME B18.2.6