Helix Engineering Tools - Quick Reference Guide to Nut Materials

Quick Reference Guide to Nut Materials

Use this quick reference grid below to find the best nut material for your application.

Select values at the top of each column to narrow your results based upon the needs of your particular application. If you need further assistance, feel free to contact our engineers at 855-435-4958 or feel free to email us at engineering@helixlinear.com.


Nut Material Low Friction Wear Resistance Tensile Strength D638 Limiting PV Water Absorption D570 Grease Compatibility Chemical Resistance Low Temperature F° High Temperature F°
Bronze, UNS C67300 Good Good 58000 50000 0 Best Good -150 927
Bronze, UNS C93200 Good Good 35000 50000 0 Best Good -150 927
Bronze, UNS C63000 Good Good 110000 50000 0 Best Good -150 927
Bronze, SAE 841 Good Good 14000 50000 0 Excellent Good -150 927
POM-C (acetal) Low High 9500 7500 0.2 Good Very Good -40 180
POM-H (acetal) Low High 9100 10000 0.2 Good Very Good -40 180
POM + PTFE Very Low High 8000 12000 0.2 Very Good Excellent -40 180
POM + PTFE + PFPE Very Low High 8000 15000 0.2 Very Good Excellent -40 180
POM-C + Silicone Excellent High 8000 7500 0.02 Good Excellent -40 180
PPS / PTFE Alloy Very Low High 2000 7500 0 Excellent Excellent -40 500
PPS + PTFE Very Low Excellent 7977 13000 0.3 Excellent Excellent -148 350
PPS + CF + PTFE Excellent High 10900 50000 0.01 Very Good Excellent -40 430
PE Low Good 4600 3000 0 Good Very Good -40 180
UHMW-PE Very Low Good 6100 3000 0.05 Good Excellent -40 180
PE + PTFE Very Low Good 2700 5000 0 Good Excellent -40 180
PVDF Very Low High 5000 5000 0.03 Good Very Good -40 275
PEEK Low High 16000 40000 0.06 Very Good Good -40 480
PEEK + PTFE Very Low Excellent 7500 40000 0.06 Very Good Very Good -40 450
PEEK + CF + PTFE Very Low Excellent 11000 50000 0.06 Very Good Good -40 480
Nylon 6/6 Low Good 12000 10000 0.3 Good Good -40 200
Nylon + PTFE Very Low Good 10000 12300 0.25 Good Very Good -40 200
Nylon + MDS Very Low Good 12500 3000 0.3 Good Very Good -40 220
Nylon + Oil Very Low Good 10000 10000 0.5 Good Very Good -40 230
Nylon + MDS + Oil Very Low Excellent 10000 3000 0.22 Good Very Good -40 200
PTFE (Teflon®) Excellent Excellent 3900 2000 0 Excellent Excellent -400 500
PET-P Low Good 12400 2800 0.07 Poor Good -40 210
PET + PTFE Low Good 11000 6000 0.06 Poor Good -40 210
PAI + PTFE Very Low Excellent 18000 50000 0.4 Very Good Excellent -100 500
PAI + PTFE + Graphit Very Low Excellent 12000 75000 0.4 Very Good Excellent -100 500
PI Very Low Excellent 12500 100000 0.24 Good Excellent -100 500
PI + MDS Very Low Excellent 8200 100000 0.23 Good Excellent -100 500
PI + PTFE + Graphite Very Low Excellent 6500 100000 0.21 Good Excellent -100 500