(300 pcs) 5/16"-18 X 3-1/4", Machine Bolts, Square Head, Steel,
$145
(300 pcs) 5/16"-18 X 3-1/4", Machine Bolts, Square Head, Steel,
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Machine bolts are most commonly used in construction applications.
Machine bolts tolerances are typically less precise than those of cap screws.
Unlike cap screws, does not have a washer face or a machined point.
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Product description
Diameter (Nominal): 5/16"
Diameter (Dimension): 0.3125"
Thread Pitch: 18
Length (Nominal): 3-1/4"
Thread Length: 0.875"
Across Flats: 1/2"
Head Height: 0.22"
Product Class: Externally Threaded Fasteners
Order: Machine Thread Fasteners
Category: Machine Bolts
System of Measurement: US Units
Brand: Aspen Fasteners®
Head Style: Square Head
Drive Style: External Square Drive
Thread Direction: Right-Hand Thread
Material: Steel
Coating: Uncoated
Standards and Specifications: ASME B18.2.1 and SAE J429
A note on our product images: The copyrighted images are schematic representations. These are artistic renderings which may not reflect the exact appearance, proportions and/or relative dimensions of the actual products. For more precise imagery and/or technical references, please contact our customer support team.
(300 pcs) 5/16"-18 X 3-1/4", Machine Bolts, Square Head, Steel,
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