Heavy Hex Nuts
Heavy Hex Nuts provide a larger hexagonal profile and are used with structural and industrial bolting assemblies. BCUBE manufactures, sources and supplies Heavy Hex Nuts to applicable specifications.
ASTM A563/A563M
ASTM A563/A563M covers carbon and alloy steel nuts for structural and mechanical uses. The current ASTM listing identifies A563/A563M-26 as active.
Structural Bolt Assemblies
High-strength structural assemblies may specify particular nut grades and washer combinations. ASTM F3125 assemblies can reference A563/A563M nut requirements; the exact combination must follow the project specification.
Dimensions
Heavy Hex Nut dimensions depend on the applicable inch or metric dimensional standard. Width across flats, nut thickness, thread and nominal diameter are key procurement fields.
Materials & Grades
Carbon steel and alloy steel grades are selected according to the governing nut and bolt specifications. Substitution between nut grades should not be assumed without checking the applicable specification and purchase requirement.
Inspection & Documentation
BCUBE can support dimensional inspection, material documentation, EN 10204:3.1 certificates where required and third-party inspection according to the agreed scope.
Historical Editions
Older project specifications can be retained in the technical database and clearly labelled as previous/historical editions.
ASTM A194/A194M — High-Pressure / High-Temperature Nuts
Where the nut is specified for high-pressure or high-temperature service, ASTM A194/A194M is a key material specification covering carbon steel, alloy steel and martensitic/austenitic stainless steel nuts. ASTM currently lists A194/A194M-26 as active. Exact grade/class, size and service requirements must be matched to the governing specification; ASTM states that grade substitutions require purchaser permission.
Manufacturing & Sourcing
BCUBE operates through manufacturing and sourcing capabilities. Requirements can be evaluated from drawing, material, grade, standard, dimensions and quantity.
Certification & Inspection
EN 10204:3.1 material certificates and Indian or international third-party inspection can be supported where required by the order and agreed inspection scope.
Current & Previous Editions
Where a standard has multiple editions, BCUBE will identify the current edition and retain relevant previous editions for project-specific procurement searches. The client's approved drawing, specification and purchase order remain the controlling documents.
Related Products
Hex Nuts · Heavy Hex Nuts · Plain Washers · Hex Bolts · Stud Bolts