Coefficient of Friction Table — Steel, UHMW, Rubber, Plastics
Static and kinetic friction for common pairs, the starting point for belt pull and wearstrip calculations.
Free, no login. Your inputs are saved in this browser. Values are engineering references — verify against manufacturer data and applicable codes before a final design.
Built by the engineers behind Sanitary belt conveyors.
Engineering Toolbox
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Related tools
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Free UHMW wearstrip span calculator: support spacing and end overhang from point-load deflection, washdown temperature knockdown, and creep check.
Everything in the toolbox
- MDR Motorized Drive Roller Selection Chart — Torque, Belt Pull, RPM
- Conveyor Speed & Throughput Calculator — FPM, Packages per Minute, Pitch
- Incline Conveyor Length & Angle Calculator — Straight, L and Z
- Conveyor Throughput Calculator — lb/hr to Packages per Minute and Belt Load
- Packaging Line Flow Simulator — Splits, Merges, Accumulation, Rejects
- Conveyor Motor & Gearbox Sizing Calculator — Torque, HP, Gear Ratio
- Modular Belt Drive Shaft Deflection & Twist Calculator — Square Shaft
- Accumulation Conveyor Length & Buffer Calculator
- Product Giveaway & Overfill Cost Calculator
- Packaging Line Downtime Cost Calculator — $/Minute, $/Shift
- Light Curtain Safety Distance Calculator (ISO 13855)
- Machine Guard Opening Distance Chart (ISO 13857) & PLr Reference
- M12, M8, RJ45 & DB9 Connector Pinouts — Ethernet/IP, PROFINET, IO-Link
- Pneumatic Cylinder Force Calculator — Bore, Rod, PSI & Bar
- ISO 286 Hole & Shaft Fit Tolerance Calculator — H7, g6, k7, p6
- AWG Wire Gauge & Ampacity Chart — THHN, XHHW, Voltage Drop
- Bolt, Tap Drill & Clearance Hole Chart — Metric & Imperial
- Sheet Metal Gauge to Thickness Chart — Steel, Stainless, Aluminum
- NPT, BSPP & BSPT Pipe Thread Reference — Air Fittings
- Scientific Expression Calculator
- Area Calculator — Rectangles, Circles, Trapezoids
- Panel Load & kW-to-Amps Calculator — Single & Three Phase