PA66 Nylon Hex Nuts

StandardDIN 934 ref · ISO 4032 ref · ASTM D4066 ref
MaterialPA66
Strength Grade—
Size RangeM2-M8
Surface TreatmentNatural / Black / UV Stabilized
01

Product Description

Product Description & Key Specifications

PA66 nylon hex nuts are lightweight, non-corrosive and electrically insulating nuts used with nylon screws, polymer washers and light-duty metal screws where steel nuts are unnecessary or unsuitable. They are supplied with ISO 4032 / DIN 934 reference dimensions and ASTM D4066 material reference for M2-M8 assemblies.

These nuts are selected for electrical panels, rail interior trim, solar combiner boxes, instrumentation covers, signage, lightweight brackets and plastic hardware kits. PA66 helps reduce weight and avoids galvanic corrosion, but it should not be used as a direct substitute for steel nuts in structural, high-preload or high-temperature joints.

Natural PA66 is common for general electrical and clean assemblies, black PA66 is used for appearance and light control, and UV-stabilized material can be specified for outdoor or renewable energy equipment exposure. Thread fit, moisture absorption, torque limit and service temperature should be confirmed before production.

Product typePA66 nylon hex nuts / plastic insulating nuts
StandardsISO 4032 reference / DIN 934 reference / ASTM D4066 material reference
MaterialPA66 nylon
Strength gradePolymer nut, not a steel strength class
Size rangeM2-M8
Common modelsM2, M2.5, M3, M4, M5, M6, M8
Thread typeMetric internal thread by standard or drawing
Surface finishNatural / Black / UV-stabilized PA66
Matched hardwarePA66 screws, PA66 flat washers and light-duty non-metallic assemblies
DocumentationCoC, material data sheet and dimensional report on request
Dimensions & SpecificationsDIN 934 / ISO 4032

Technical Drawing

DIN 934 technical drawing

Dimensional Table

ParameterM1M1.2M1.4M1.6M2M2.5M3M3.5M4M5M6M7M8M10M12M14M16
P0.250.250.30.350.40.450.50.60.70.8111|1.251|1.25|1.51.25|1.5|1.751.5|21.5|2
e/min2.713.283.283.414.325.456.016.587.668.7911.0512.1214.3818.921.124.4926.75
k/max0.811.21.31.622.42.83.2455.56.58101113
k/min0.550.750.951.051.351.752.152.552.93.74.75.26.147.649.6410.312.3
s/max2.5333.2455.567810111317192224
s/min2.42.92.93.023.824.825.325.826.787.789.7810.7312.7316.7318.6721.6723.67

Engineering references

Technical resources

Review the applicable dimensions, drawing and standard relationship before confirming the ordered specification.
02

Selection

Selection Advantages by Application

Railway Interior Panels and Trim

PA66 nylon nuts are used in rail interiors, covers and trim assemblies where low weight, electrical insulation and corrosion-free hardware are useful. Confirm fire, smoke and toxicity requirements separately when applicable.

Railway fasteners

Solar and Electrical Equipment

UV-stabilized PA66 nuts can support PV combiner boxes, light brackets and electrical enclosures where non-conductive hardware is specified. Avoid using polymer nuts for structural clamp loads.

Renewable energy fasteners

Lightweight Instrument Assemblies

M2-M6 nylon nuts are common in instruments, signs, covers and plastic housings where electrical isolation and low tightening torque are required.

Industrial equipment fasteners
03

Assembly

Recommended Matching Products

04

Manufacturing

Manufacturing & Quality Control

Manufacturing CapabilityQuality Control
Injection molding or machining depending on size, quantity and tolerancePA66 material verification and batch traceability
Metric internal threads to DIN / ISO reference or drawingThread fit, across-flat dimension and height inspection
Natural, black or UV-stabilized PA66 optionsColor, surface and molding defect inspection
Small-size M2-M8 production for electrical and trim assembliesSample torque and fit checks arranged when specified
Bagged, carton or kit packaging with screws and washersCoC and dimensional report prepared on request
05

FAQ

Common Questions Before RFQ

Are PA66 nylon hex nuts structural nuts?

No. PA66 nuts are for light-duty, insulating and corrosion-free assemblies. They should not replace steel nuts in structural or high-preload joints.

Can PA66 nylon nuts be used outdoors?

They can be used outdoors when the correct UV-stabilized PA66 grade is selected and the service temperature, moisture and load are suitable.

What sizes are available?

Common sizes are M2, M2.5, M3, M4, M5, M6 and M8. Custom dimensions can be reviewed by drawing.

Can they be supplied with nylon screws and washers?

Yes. PA66 nylon nuts can be supplied with PA66 screws and flat washers as non-metallic fastener kits.

What should be included in the RFQ?

Send size, standard or drawing, color, UV requirement, quantity, mating screw material, torque condition and certificate needs.

Need PA66 nylon hex nuts for insulating assemblies?

Send size, color, UV requirement, standard or drawing, quantity and matching screw or washer needs. We can quote M2-M8 PA66 nylon nuts for electrical, railway and renewable energy equipment.

Request a Quote

Get engineering support and pricing for this product — our team responds within 24 hours.