M3 Z20 Spur Gear

Model: M3-Z20

M3 Z20 Spur Gear (model M3-Z20) from the KEDI Spur Gears range, Gear, Rack & Synchronous Drive Series. Standard sizes ship quickly; material, heat treatment, bore and finish can be customised to drawing.

Module3
Teeth20
Pressure Angle20°
MaterialC45 / alloy steel / stainless / engineering plastic

Send inquiry CAD / technical drawings

Specifications & dimensions

Module	3
Teeth	20

Technical parameters

Pressure Angle	20°
Material	C45 / alloy steel / stainless / engineering plastic

Values are nominal; final dimensions are confirmed against the approved drawing.

CAD / technical drawings

2D/3D drawings (PDF, DWG, STEP) for this model are available on request.

Request drawing

Performance features

Standard 20° pressure-angle options
C45 and alloy-steel material options
Hobbing, shaping and grinding processes available
Teeth hardening and custom bores/keyways available

Application scenarios

Gearboxes
Machine tools
Automation equipment
Industrial machinery

Industries served

CNC machine toolsIndustrial automationGate & door automationPrinting & packagingGreenhouse & agriculture

Product description

Straight-tooth spur gears for parallel-shaft power transmission, available in standard modules and custom bore/hub configurations. This page is prepared for model identification, preliminary selection and quotation. The exact production configuration should be confirmed before order placement.

About this model

M3 Z20 Spur Gear (model M3-Z20) is a standard item in the KEDI Spur Gears range, with Module 3; Teeth 20; Pressure Angle 20°; Material C45 / alloy steel / stainless / engineering plastic. It is produced to drawing and standard, inspected for dimensions and hardness before shipment, and can be supplied alone or as a matched set with mating transmission parts. Material, heat treatment, bore and surface finish can be adapted to the application.

Material & process

Material	C45 / S45C carbon steel, 42CrMo alloy steel, stainless steel; cast iron or aluminium for pulleys; nylon for light-duty racks
Heat treatment	Quenching and tempering, induction hardening of teeth, carburising for high-load gears
Tooth finish	Hobbed or milled standard; shaved or ground for higher accuracy grades
Surface	Black oxide, zinc plating, phosphating or natural finish with anti-rust oil
Custom options	Bore and keyway, set-screw holes, hub length, helix hand, mounting holes and lengths to drawing

Quality control

Tooth profile, pitch and runout checked on CMM for precision parts
Hardness verified after heat treatment
Bore, keyway and hole positions checked with gauges
Cumulative pitch error and straightness checked on precision racks

How to select

Define module (or pitch), pressure angle and helix angle to match the mating part.
Check transmitted torque and speed to choose material and heat treatment.
Select accuracy grade by positioning and noise requirements.
Specify bore, keyway and mounting holes, or send the shaft and mounting drawing.
For racks, state total travel so joint positions and segment lengths can be planned.

Ordering & packing

For a quotation, send: model M3-Z20, quantity and delivery destination
For custom versions: drawing or sample, material, heat treatment and finish
Packing: anti-rust oil, moisture-proof wrap, carton or wooden case; labels on request
Lead time: confirmed with the quotation for standard sizes, and after drawing review for custom parts