Angle Gears | McMaster-Carr

	Component Component


Gear	Worm

Gear Rack	Shaft-Mounted Worm

	System of Measurement System of Measurement

Inch

Metric

	For Shaft Diameter For Shaft Diameter

	Number of Teeth Number of Teeth

10
12
13
15
16
18
20
21
24
25
26
28
30
32
36
40
44
45
48
50
60
64
72
80
100
120

	OD OD

	Gear Type Gear Type

	Material Material

	Speed Ratio Speed Ratio

	Bore Type Bore Type


Round	Keyed

Machinable

	Module Module

	For Shaft Angle For Shaft Angle


45°	60°

90°	120°

	Gear Pitch Diameter Gear Pitch Diameter

	Face Width Face Width

	Overall Width Overall Width

	Pressure Angle Pressure Angle

14 1/2°

20°

	Gear Pitch Gear Pitch

6
8
10
12
16
18
20
24
32
48

	Hub Diameter Hub Diameter

	Hub Width Hub Width

	Mounting Distance Mounting Distance

	Teeth Heat Treatment Teeth Heat Treatment

Not Hardened

Hardened

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Color Color

	White
	Blue

	Number of Thread Starts Number of Thread Starts

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274 Products

About Gears

Metal Miter Gears

With straight, conically shaped teeth and a 1:1 speed ratio, miter gears connect two shafts at a right angle without changing shaft speed or torque. They're more efficient than spiral miter gears because they create less friction.

Metal Worms and Worm Gears

Worm gears use screw threads to reduce shaft speed by ratios of 10:1 and greater while transmitting motion at a right angle.

Metal Bevel Gears

A type of miter gear where one gear is smaller than the other, bevel gears provide right-angle speed reduction at ratios ranging from 2:1 to 5:1. They’re more efficient than worm gears because they create less friction.

High-Power Metal Miter Gears

Also known as spiral miter gears, these gears have curved teeth that gradually engage and stay in contact longer than straight teeth so they handle heavier loads at higher speeds. Speed ratio is 1:1.

High-Power Metal Bevel Gears

Made from carbon steel with spiral teeth, these gears handle heavier loads at higher speeds than bevel gears with straight teeth because their teeth stay in contact longer.

High-Power Metal Gears

For smooth, quiet operation at high speeds under heavy loads, helical gears have curved teeth that engage gradually and stay in contact longer than straight teeth.

Plastic Miter Gears

Connect two shafts at a right angle without changing shaft speed or torque.

Plastic Worm Gears

These plastic gears are lighter and quieter than metal gears—pair them with metal worms for lubrication-free operation. Worm gears use screw threads to make large reductions to shaft speed while transmitting motion at a right angle.

Plastic Bevel Gears

Reduce speeds where noise, corrosion, and frequent lubrication are a concern. Compared to metal gears, these nylon gears run more quietly, won't rust, and don't need to be lubricated.