Acetal Sprockets | McMaster-Carr

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Pressure Angle

Gear Type

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165 Products

Plastic Sprockets

Quiet-running, lightweight, and naturally rust resistant. Choose these sprockets for noise-sensitive areas, designs with weight constraints, and machines that require frequent washdowns. Their teeth mesh with your roller chain to smoothly transmit power. All are made in the U.S.

Plain Bore—Plain bore sprockets give you options—machine a custom bore, weld, or press-fit them in place. They're sized to the minimum shaft diameter listed and are machinable up to the maximum.

	No. of Teeth	OD	Bore Type	For Shaft Dia.		Each
For Single Strand



	0.1227"	8	3/8"	Plain	1/8"	64205K71	00000


	0.1227"	9	7/16"	Plain	1/8"	64205K11	0000
	0.1227"	10	7/16"	Plain	1/8"	64205K731	0000
	0.1227"	12	9/16"	Plain	1/4"	64205K743	0000
	0.1227"	15	5/8"	Plain	1/4"	64205K12	0000
	0.1227"	16	11/16"	Plain	1/4"	64205K13	0000
	0.1227"	18	3/4"	Plain	1/4"	64205K14	0000
	0.1227"	20	7/8"	Plain	3/8"	64205K784	0000
	0.1227"	24	1"	Plain	1/4"	64205K792	0000
	0.1227"	30	1 1/4"	Plain	1/4"	64205K15	0000
	0.1227"	32	1 5/16"	Plain	3/8"	64205K16	0000


	0.1227"	36	1 1/2"	Plain	1/4"	64205K831	0000
	0.1227"	40	1 5/8"	Plain	1/4"	64205K841	0000
	0.1227"	48	1 15/16"	Plain	1/4"	64205K851	0000

Plastic Spur Gears

Made of plastic, these spur gears run more quietly than metal gears and have good corrosion and chemical resistance. However, they’re not as strong as metal gears, so they’re best for light duty applications. Combine a gear and rack to convert rotary motion into linear motion.

Combine gears with different numbers of teeth to change speed and torque in your assembly. For components to mesh correctly, they must have the same pressure angle and pitch/module.

Gears

20° Pressure

Angle

20° Pressure Angle—The current industry standard, these 20° pressure angle spur gears have thicker, stronger teeth than 14½° pressure angle gears.

Acetal—Acetal gears absorb less water than nylon gears, so they’re less likely to swell.

							Hub
	Gear Pitch	Gear Module	No. of Teeth	Gear Pitch Dia.	OD	Face Wd.	Dia.	Wd.	Bore Type	For Shaft Dia.	Color		Each
20° Pressure Angle







				Acetal

				48	—	18	3/8"	0.42"	1/8"	0.313"	0.25"	Round Bore	5/32"	White	2662N22	00000


				48	—	24	1/2"	0.54"	1/8"	0.406"	0.25"	Round Bore	5/32"	White	2662N23	0000
				48	—	36	3/4"	0.79"	1/8"	0.547"	0.25"	Round Bore	3/16"	White	2662N24	0000
				48	—	48	1"	1.04"	1/8"	0.609"	0.25"	Round Bore	1/4"	White	2662N25	0000
				48	—	60	1 1/4"	1.29"	1/8"	0.609"	0.25"	Round Bore	1/4"	White	2662N44	0000
				48	—	96	2"	2.04"	1/8"	0.609"	0.25"	Round Bore	1/4"	White	2662N26	0000
				32	—	12	3/8"	0.44"	3/16"	0.281"	0.313"	Round Bore	5/32"	White	2662N14	0000
				32	—	24	3/4"	0.81"	3/16"	0.5"	0.313"	Round Bore	3/16"	White	2662N15	0000
				32	—	32	1"	1.06"	3/16"	0.625"	0.313"	Round Bore	1/4"	White	2662N16	0000
				32	—	36	1 1/8"	1.19"	3/16"	0.609"	0.313"	Round Bore	1/4"	White	2662N17	0000
				32	—	48	1 1/2"	1.56"	3/16"	0.625"	0.313"	Round Bore	1/4"	White	2662N18	0000


				32	—	96	3"	3.06"	3/16"	0.813"	0.313"	Round Bore	5/16"	White	2662N19	0000
				24	—	12	1/2"	0.54"	1/4"	0.375"	0.313"	Round Bore	3/16"	White	2662N7	0000
				24	—	18	3/4"	0.83"	1/4"	0.547"	0.313"	Round Bore	3/16"	White	2662N8	0000
				24	—	24	1"	1.08"	1/4"	0.625"	0.313"	Round Bore	1/4"	White	2662N9	0000
				24	—	36	1 1/2"	1.58"	1/4"	0.625"	0.313"	Round Bore	1/4"	White	2662N11	0000
				24	—	48	2"	2.08"	1/4"	0.672"	0.313"	Round Bore	5/16"	White	2662N12	0000
				24	—	60	2 1/2"	2.58"	1/4"	0.672"	0.313"	Round Bore	5/16"	White	2662N13	0000
				20	—	12	0.6"	0.7"	3/8"	0.469"	0.375"	Round Bore	1/4"	White	2662N1	0000
				20	—	20	1"	1.1"	3/8"	0.734"	0.375"	Round Bore	3/8"	White	2662N2	0000
				20	—	24	1.2"	1.3"	3/8"	0.734"	0.375"	Round Bore	3/8"	White	2662N3	0000


				20	—	36	1.8"	1.9"	3/8"	0.734"	0.375"	Round Bore	3/8"	White	2662N4	00000
				20	—	40	2"	2.1"	3/8"	0.734"	0.375"	Round Bore	3/8"	White	2662N5	00000
				20	—	48	2.4"	2.5"	3/8"	0.734"	0.375"	Round Bore	3/8"	White	2662N6	00000
				—	0.5	12	6 mm	7 mm	3 mm	4.5 mm	4 mm	Round Bore	2 mm	White	2662N27	0000
				—	0.5	15	7.5 mm	8.5 mm	3 mm	4.5 mm	4 mm	Round Bore	2 mm	White	2662N311	0000
				—	0.5	16	8 mm	9 mm	3 mm	6 mm	4 mm	Round Bore	3 mm	White	2662N312	0000
				—	0.5	20	10 mm	11 mm	3 mm	8 mm	4 mm	Round Bore	4 mm	White	2662N313	0000
				—	0.5	24	12 mm	13 mm	3 mm	8 mm	4 mm	Round Bore	4 mm	White	2662N28	0000
				—	0.5	30	15 mm	16 mm	3 mm	10 mm	4 mm	Round Bore	5 mm	White	2662N314	0000
				—	0.5	36	18 mm	19 mm	3 mm	10 mm	4 mm	Round Bore	5 mm	White	2662N29	0000


				—	0.5	40	20 mm	21 mm	3 mm	12 mm	4 mm	Round Bore	5 mm	White	2662N315	0000
				—	0.5	45	22.5 mm	23.5 mm	3 mm	12 mm	4 mm	Round Bore	5 mm	White	2662N316	0000
				—	0.5	48	24 mm	25 mm	3 mm	12 mm	4 mm	Round Bore	5 mm	White	2662N31	0000
				—	0.5	50	25 mm	26 mm	3 mm	12 mm	4 mm	Round Bore	5 mm	White	2662N317	0000
				—	0.5	56	28 mm	29 mm	3 mm	14 mm	5 mm	Round Bore	6 mm	White	2662N318	0000
				—	0.5	60	30 mm	31 mm	3 mm	14 mm	5 mm	Round Bore	6 mm	White	2662N32	0000
				—	0.5	70	35 mm	36 mm	3 mm	14 mm	5 mm	Round Bore	6 mm	White	2662N319	0000
				—	0.5	80	40 mm	41 mm	3 mm	14 mm	5 mm	Round Bore	6 mm	White	2662N321	0000
				—	0.8	12	9.6 mm	11.2 mm	4 mm	6 mm	5 mm	Round Bore	3 mm	White	2662N322	0000
				—	0.8	15	12 mm	13.6 mm	4 mm	6 mm	5 mm	Round Bore	3 mm	White	2662N323	0000


				—	0.8	16	12.8 mm	14.4 mm	4 mm	8 mm	5 mm	Round Bore	4 mm	White	2662N324	0000
				—	0.8	20	16 mm	17.6 mm	4 mm	10 mm	5 mm	Round Bore	5 mm	White	2662N33	0000
				—	0.8	24	19.2 mm	20.8 mm	4 mm	10 mm	5 mm	Round Bore	5 mm	White	2662N325	0000
				—	0.8	30	24 mm	25.6 mm	4 mm	12 mm	5 mm	Round Bore	6 mm	White	2662N34	0000
—				0.8	40	32 mm	33.6 mm	4 mm	12 mm	5 mm	Round Bore	6 mm	White	2662N35	0000
—	0.8			48	38.4 mm	40 mm	4 mm	14.5 mm	6 mm	Round Bore	6 mm	White	2662N327	0000
—	0.8			60	48 mm	49.6 mm	4 mm	14.5 mm	6 mm	Round Bore	6 mm	White	2662N36	0000
—	0.8			80	64 mm	65.6 mm	4 mm	15.5 mm	6 mm	Round Bore	6 mm	White	2662N37	0000
—	1			12	12 mm	14 mm	6 mm	8 mm	6 mm	Round Bore	4 mm	White	2662N332	0000
—	1	15		15 mm	17 mm	6 mm	8 mm	6 mm	Round Bore	4 mm	White	2662N38	0000
—	1	16	16 mm	18 mm	6 mm	10 mm	6 mm	Round Bore	5 mm	White	2662N333	0000
—	1	18	18 mm	20 mm	6 mm	10 mm	6 mm	Round Bore	5 mm	White	2662N334	0000
—	1	20	20 mm	22 mm	6 mm	11.7 mm	6 mm	Round Bore	5 mm	White	2662N39	0000
—	1	24	24 mm	26 mm	6 mm	11.7 mm	6 mm	Round Bore	5 mm	White	2662N335	0000
—	1	28	28 mm	30 mm	6 mm	11.7 mm	6 mm	Round Bore	5 mm	White	2662N337	0000
—	1	30	30 mm	32 mm	6 mm	14 mm	6 mm	Round Bore	6 mm	White	2662N41	0000
—	1	32	32 mm	34 mm	6 mm	14 mm	6 mm	Round Bore	6 mm	White	2662N338	0000
—	1	35	35 mm	37 mm	6 mm	14 mm	6 mm	Round Bore	6 mm	White	2662N339	00000
—	1	36	36 mm	38 mm	6 mm	14 mm	6 mm	Round Bore	6 mm	White	2662N341	00000
—	1	40	40 mm	42 mm	6 mm	16 mm	6 mm	Round Bore	8 mm	White	2662N342	00000
—	1	45	45 mm	47 mm	6 mm	16 mm	6 mm	Round Bore	8 mm	White	2662N42	00000
—	1	48	48 mm	50 mm	6 mm	16 mm	8 mm	Round Bore	8 mm	White	2662N343	00000
—	1	50	50 mm	52 mm	6 mm	16 mm	8 mm	Round Bore	8 mm	White	2662N344	00000
—	1	60	60 mm	62 mm	6 mm	18 mm	8 mm	Round Bore	8 mm	White	2662N43	00000
—	1	64	64 mm	66 mm	6 mm	18 mm	8 mm	Round Bore	8 mm	White	2662N346	00000
—	1	70	70 mm	72 mm	6 mm	18 mm	8 mm	Round Bore	8 mm	White	2662N347	00000
—	1	80	80 mm	82 mm	6 mm	18 mm	8 mm	Round Bore	8 mm	White	2662N349	00000

Gear Racks

20° Pressure Angle—Rectangular

These racks match with spur gears to convert rotary motion to linear motion. For components to mesh correctly, they must have the same pressure angle and pitch/module.

Acetal—Acetal gear racks absorb less water than nylon racks, so they’re less likely to swell.

Machined—Machined gear racks may be slightly bowed but will straighten out when installed.

	Pitch Ht.	Ht.	Face Wd.	Fabrication	Color		Each
20° Pressure Angle—Rectangular







	Acetal

	48	—	1 ft.	0.109"	1/8"	1/8"	Molded	Gray	2662N54	00000


	32	—	1 ft.	0.156"	3/16"	3/16"	Molded	Gray	2662N53	0000
	24	—	1 ft.	0.203"	1/4"	1/4"	Molded	Gray	2662N52	0000
	—	0.5	250 mm	5.9 mm	6.3 mm	4 mm	Molded	Gray	2662N55	0000
	—	0.8	250 mm	6.4 mm	7.3 mm	5 mm	Molded	Gray	2662N56	0000
	—	1	315 mm	7.9 mm	10 mm	10 mm	Molded	Gray	2662N57	0000
	—	1	500 mm	11 mm	12 mm	10 mm	Machined	White	2662N63	000000

Plastic Timing Belt Pulleys

Naturally rust resistant and lightweight, these plastic pulleys are ideal for machines that require frequent washdowns. Trapezoidal teeth, the original tooth profile, mesh with matching belts to transmit power without slipping.

Finished Bore—Mount these pulleys onto the shaft and secure with a set screw—no machining required.

	Bore Type	For Shaft Dia.	Pitch Dia.	No. of Flanges	Hub Type		Each
For XL Trade Size







	Acetal

	3/8"	0.200"	10	Finished	3/16"	0.637"	2	Standard	57105K11	000000


	3/8"	0.200"	10	Finished	6 mm	0.64"	2	Standard	3563N11	00000
	3/8"	0.200"	11	Finished	3/16"	0.7"	2	Standard	57105K12	00000
	3/8"	0.200"	11	Finished	6 mm	0.7"	2	Standard	3563N12	00000
	3/8"	0.200"	12	Finished	3/16"	0.764"	2	Standard	57105K13	00000
	3/8"	0.200"	12	Finished	6 mm	0.76"	2	Standard	3563N13	00000
	3/8"	0.200"	14	Finished	1/4"	0.891"	2	Standard	57105K14	00000
	3/8"	0.200"	14	Finished	8 mm	0.89"	2	Standard	3563N14	00000
	3/8"	0.200"	15	Finished	1/4"	0.955"	2	Standard	57105K15	00000
	3/8"	0.200"	15	Finished	8 mm	0.96"	2	Standard	3563N15	00000
	3/8"	0.200"	16	Finished	1/4"	1.019"	2	Standard	57105K16	00000


	3/8"	0.200"	16	Finished	8 mm	1.02"	2	Standard	3563N16	00000
	3/8"	0.200"	18	Finished	1/4"	1.146"	2	Standard	57105K17	00000
	3/8"	0.200"	18	Finished	8 mm	1.15"	2	Standard	3563N17	00000
	3/8"	0.200"	20	Finished	1/4"	1.273"	2	Standard	57105K18	00000
	3/8"	0.200"	20	Finished	8 mm	1.27"	2	Standard	3563N18	00000
	3/8"	0.200"	21	Finished	1/4"	1.337"	2	Standard	57105K19	00000
	3/8"	0.200"	21	Finished	8 mm	1.34"	2	Standard	3563N19	00000
	3/8"	0.200"	22	Finished	1/4"	1.401"	2	Standard	57105K21	00000
	3/8"	0.200"	22	Finished	8 mm	1.4"	2	Standard	3563N21	00000
	3/8"	0.200"	24	Finished	5/16"	1.528"	2	Standard	57105K22	00000


	3/8"	0.200"	24	Finished	8 mm	1.53"	2	Standard	3563N22	00000
	3/8"	0.200"	26	Finished	5/16"	1.655"	2	Standard	57105K23	00000
	3/8"	0.200"	26	Finished	8 mm	1.66"	2	Standard	3563N23	00000
	3/8"	0.200"	28	Finished	5/16"	1.783"	2	Standard	57105K24	00000
	3/8"	0.200"	28	Finished	8 mm	1.78"	2	Standard	3563N24	00000
	3/8"	0.200"	30	Finished	5/16"	1.91"	2	Standard	57105K25	00000
	3/8"	0.200"	30	Finished	10 mm	1.91"	2	Standard	3563N25	00000
	3/8"	0.200"	32	Finished	5/16"	2.037"	2	Standard	57105K26	00000
	3/8"	0.200"	32	Finished	10 mm	2.04"	2	Standard	3563N26	00000
	3/8"	0.200"	36	Finished	5/16"	2.292"	2	Standard	57105K27	00000


	3/8"	0.200"	36	Finished	10 mm	2.29"	2	Standard	3563N27	00000
	3/8"	0.200"	40	Finished	5/16"	2.546"	2	Standard	57105K28	00000
	3/8"	0.200"	40	Finished	10 mm	2.55"	2	Standard	3563N28	00000
	3/8"	0.200"	42	Finished	5/16"	2.674"	2	Standard	57105K29	00000
	3/8"	0.200"	42	Finished	10 mm	2.67"	2	Standard	3563N29	00000
	3/8"	0.200"	44	Finished	5/16"	2.801"	2	Standard	57105K31	00000
	3/8"	0.200"	44	Finished	10 mm	2.8"	2	Standard	3563N31	00000
	3/8"	0.200"	48	Finished	5/16"	3.056"	2	Standard	57105K32	00000
	3/8"	0.200"	48	Finished	12 mm	3.06"	2	Standard	3563N32	00000
	3/8"	0.200"	60	Finished	5/16"	3.82"	—	Standard	57105K33	00000


	3/8"	0.200"	60	Finished	12 mm	3.82"	—	Standard	3563N33	00000

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. They transmit motion from worm to gear and cannot be reversed. For gears and worms to mesh correctly, they must have the same pressure angle, pitch/module, number of thread starts, and thread direction.

Gears

Acetal—Acetal gears are lightweight, and resist corrosion and chemicals. They absorb less moisture than nylon gears, so they’re less prone to dimensional changes. They’re best suited for light duty applications, such as prototyping.

Speed Ratio—Speed ratio is the ratio by which output shaft speed is reduced. As speed decreases, torque increases.

													Hub, mm
	Gear Module	Speed Ratio	No. of Teeth	Pressure Angle	Gear Pitch Dia., mm	For No. of Thread Starts	OD, mm	Face Wd., mm	Overall Wd., mm	For Shaft Dia., mm	Fabrication	Color	Dia.	Wd.	For Thread Direction		Each
Round Bore—Acetal



		0.5	10:1	20	20°	10	2	11	5	12	4	Molded	White	9	7	Right Hand	4037N112	000000


		0.5	20:1	20	20°	10	1	11	5	12	4	Molded	White	9	7	Right Hand	4037N111	00000
		0.5	30:1	30	20°	15	1	16	5	12	4	Molded	White	12	7	Right Hand	4037N113	00000
		0.5	40:1	40	20°	20	1	21	5	12	5	Molded	White	15	7	Right Hand	4037N115	00000
		0.5	50:1	50	20°	25	1	26	5	12	5	Molded	White	20	7	Right Hand	4037N116	00000
		0.5	60:1	60	20°	30	1	31	5	12	5	Molded	White	25	7	Right Hand	4037N117	00000
		0.8	10:1	20	20°	16	2	17.6	9	18	5	Molded	White	12	9	Right Hand	4037N119	00000
		0.8	50:1	50	20°	40	1	41.6	9	18	8	Molded	White	25	9	Right Hand	4037N124	00000
		0.8	60:1	60	20°	48	1	49.6	9	18	8	Molded	White	25	9	Right Hand	4037N125	00000

Chain Conveyor Belting

Conveyor chain is made of plates that flex on their connecting hinges. Also known as sprocket-driven conveyor belting.

Straight Belt


820 Series	821 Series

3200 Series

Acetal—Acetal plastic belts are FDA compliant.

	Lg., ft.	Wd.	Thk.	Material	Color	Pin Material	Temp. Range, ° F		Each
820 Series



	3 1/4"	10	1 5/8"	5/32"	Acetal	Brown	Stainless Steel	-40 to 190	6378K21	0000000


	4"	10	1 5/8"	5/32"	Acetal	Brown	Stainless Steel	-40 to 190	6378K22	000000
	4 1/2"	10	1 5/8"	5/32"	Acetal	Brown	Stainless Steel	-40 to 190	6378K23	000000
	6"	10	1 5/8"	5/32"	Acetal	Brown	Stainless Steel	-40 to 190	6378K24	000000
	7 1/2"	10	1 5/8"	5/32"	Acetal	Brown	Stainless Steel	-40 to 190	6378K25	000000


	821 Series



			7 1/2"	10	5 3/8"	3/16"	Acetal	Brown	Stainless Steel	-40 to 190	6378K61	000000


			10"	10	5 3/8"	3/16"	Acetal	Brown	Stainless Steel	-40 to 190	6378K62	000000
			12"	10	5 3/8"	3/16"	Acetal	Brown	Stainless Steel	-40 to 190	6378K63	000000


			3200 Series



					2 1/4"	20	2 1/4"	13/16"	Acetal	Gray	Stainless Steel	-40 to 190	1948N11	000000

Side-Flex Belt


880 Series	882 Series

Side-flex belts have tabs on the bottom that keep the belt from lifting off the track when traveling through curved sections of conveyor.

Acetal—Acetal plastic belts are FDA compliant.

	Lg., ft.	Wd.	Ht.	Thk.	Min. Curve Radius	Material	Color	Pin Material	Temp. Range, ° F		Each
880 Series



	3 1/4"	10	2 7/16"	15/32"	5/32"	15 3/4"	Acetal	Brown	Stainless Steel	-40 to 190	6378K31	0000000


	4 1/2"	10	2 7/16"	15/32"	5/32"	15 3/4"	Acetal	Brown	Stainless Steel	-40 to 190	6378K32	000000
	7 1/2"	10	2 7/16"	15/32"	5/32"	15 3/4"	Acetal	Brown	Stainless Steel	-40 to 190	6378K37	000000


	882 Series



			4 1/2"	10	3"	11/16"	3/16"	24"	Acetal	Brown	Stainless Steel	-40 to 190	6378K36	000000


			7 1/2"	10	3"	11/16"	3/16"	24"	Acetal	Brown	Stainless Steel	-40 to 190	6378K33	000000
			10"	10	3"	11/16"	3/16"	24"	Acetal	Brown	Stainless Steel	-40 to 190	6378K34	000000
			12"	10	3"	11/16"	3/16"	24"	Acetal	Brown	Stainless Steel	-40 to 190	6378K35	000000

Plastic Spur Gear Racks

Lightweight and resistant to corrosion and chemicals, these racks match with spur gears to convert rotary motion to linear motion in light duty applications.

For components to mesh correctly, they must have the same pressure angle and pitch/module.

20° Pressure Angle—The current industry standard, these 20° pressure angle gear racks have thicker, stronger teeth than 14½° pressure angle gear racks.

Acetal—Acetal gear racks absorb less water than nylon racks, so they’re less likely to swell.

Machined—Machined gear racks may be slightly bowed but will straighten out when installed.

	Pitch Ht.	Ht.	Face Wd.	Fabrication	Color		Each
20° Pressure Angle—Rectangular







	Acetal

	48	—	1 ft.	0.109"	1/8"	1/8"	Molded	Gray	2662N54	00000


	32	—	1 ft.	0.156"	3/16"	3/16"	Molded	Gray	2662N53	0000
	24	—	1 ft.	0.203"	1/4"	1/4"	Molded	Gray	2662N52	0000
	16	—	1 ft.	0.25"	5/16"	5/16"	Molded	Gray	2662N51	0000
	—	0.5	250 mm	5.9 mm	6.3 mm	4 mm	Molded	Gray	2662N55	0000
	—	0.8	250 mm	6.4 mm	7.3 mm	5 mm	Molded	Gray	2662N56	0000
	—	1	315 mm	7.9 mm	10 mm	10 mm	Molded	Gray	2662N57	0000
	—	1	500 mm	11 mm	12 mm	10 mm	Machined	White	2662N63	000000
	—	1.5	500 mm	18.5 mm	20 mm	15 mm	Machined	White	2662N62	000000
	—	2	500 mm	23 mm	25 mm	20 mm	Machined	White	2662N65	000000

Conveyor Wear Strip Rivets

Rivets attach plastic wear strips to the conveyor frame. Drill a hole through the wear strip and conveyor frame to install these rivets.

	For Material Thk.	For Hole Size	Color	Pkg. Qty.		Pkg.
Acetal



	3/4"	0.188" to 0.50"	0.257"	White	10	6369K28	00000


	1"	0.250" to 0.75"	0.257"	White	10	6369K29	0000

Plastic Miter Gears


Gears Sold Separately

Connect two shafts at a right angle without changing shaft speed or torque. Made of plastic, these gears run quieter than metal gears and have good corrosion and chemical resistance.

For two gears to mesh correctly, they must have the same pressure angle, pitch/module, and number of teeth.

Acetal—Acetal gears absorb less moisture than nylon gears and are less prone to dimensional change. They’re best suited for use in light duty applications such as prototyping.

													Hub, mm
	Gear Module	No. of Teeth	Pressure Angle	Gear Pitch Dia., mm	OD, mm	Face Wd., mm	Overall Wd., mm	For Shaft Dia., mm	Mounting Distance, mm	Material	Fabrication	Color	Dia.	Wd.		Each
Round Bore



		0.5	20	20°	10	10.7	2.5	8	3	11	Acetal	Molded	White	8	4	2810N1	00000


		0.8	20	20°	16	17.1	3.5	10.8	5	16	Acetal	Molded	White	12	5	2810N2	0000
		1	20	20°	20	21.4	4.5	14.6	6	21	Acetal	Molded	White	16	7	2810N3	0000
		1.5	20	20°	30	32.1	7	20.6	8	30	Acetal	Molded	White	20	10	2810N4	0000