Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 3391 — Fasteners
Minnesota 2025 Standard Specifications for Construction, Section 3391. Full text, cross-references and related pay items on BuildSpec.
3391 FASTENERS 3391.1 SCOPE Provide various types and grades of fasteners for use in general and structural applications. 3391.2 REQUIREMENTS Provide fasteners of the type shown on the Plans. Provide bolts, nuts, and washers meeting the requirements of ANSI for the type required by the Contract. Unless otherwise required by the Contract, provide threads that are ANSI Coarse Thread Series with a Class 2A tolerance for bolts and Class 2B tolerance for nuts. A Common Structural Steel Bolts Provide bolts and nuts meeting the requirements of ASTM A307, Standard Specification for Carbon Steel…
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