Nylon Nuts
Nylon nuts commonly use a polymer insert to provide prevailing-torque locking. BCUBE can evaluate nylon-insert locking nut requirements according to application and specification.
Locking Principle
A polymer insert interferes with the mating thread to provide resistance to loosening. Temperature and chemical compatibility must be considered.
Materials
The metallic nut body and insert material must be suitable for the intended service environment.
Thread & Dimensions
Thread size, pitch, nut dimensions and prevailing-torque requirements should be specified.
Applications
Machinery, equipment, vibration-sensitive assemblies and general engineering applications within the insert's service limitations.
Standards & Testing
Applicable product standards and prevailing-torque tests depend on the exact design and specification.
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