3" Diameter Lathe Chucks

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18 Products

Lathe Chucks

Mount these chucks to a lathe's spindle to hold round workpieces. Also known as scroll chucks, they are self centering—all jaws move in unison, centering the workpiece as they close. Made of forged steel, these chucks are strong and wear resistant, so they maintain their shape even with continuous use. They’re often used for precision machining. You can run them at higher speeds than cast iron chucks, and they’ll last longer. Use the included lathe chuck wrench to open and close the jaws.

Fixed One-Piece Keyed Jaw Chucks

Image of Product. Front orientation. Lathe Chucks. Lathe Chucks, Self-Centering, Stepped Jaw, .

Chucks with fixed jaws come with one set of outside jaws and one set of inside jaws. These jaws are one-piece and keyed, so they’re best for rigid and permanent setups where you don’t need to change your jaw style. They’re commonly used in dedicated turning operations or roughing applications.

	Lathe Chucks										Replacement Inside Jaw Sets		Replacement Outside Jaw Sets
		For Workpiece
	Dia.	OD	ID	Ctr. Through-Hole Dia.	Total Indicated Runout (TIR) Accuracy	Max. Rotation Speed, rpm	Material	Includes		Each		Each		Each
3 Jaws



		3"	0.08" to 2.72"	0.98" to 2.8"	0.63"	0.0006"	7,000	Steel	One Set of Solid Inside Jaws, One Set of Solid Outside Jaws, Self-Ejecting Lathe Chuck Wrench, Hex Key, Mounting Bolts, Adjustment Screws	9456N14	0000000	9456N21	0000000	9456N19	0000000

Accessories for Lathe Chucks

Lathe Chuck Mounts


For D1 Camlock Spindles	Lathe Spindle Dimensions

A mounting plate is required to mount the chuck to a lathe. Select a mounting plate that matches the diameter of the lathe chuck, your lathe’s spindle type, and the spindle OD.

	For Spindle			For Spindle Nose
	Type	OD	Size	Type	Dia.	Lg.	Ctr. Through-Hole Dia.	Material		Each
For 3" Diameter Lathe Chucks



		D1 Camlock	3.622"	3	D1-3	2 1/8"	7/16"	1"	Steel	9456N47	0000000

Grease

Use high-pressure grease to improve grip and prolong the life of your chuck.

					Container
	Thickener	NLGI Consistency Grade	Base Oil	Additive	Size, fl. oz.	Type	Temp. Range, ° F	Melting Temp., ° F	Weld Load, kgf	Color		Each
DuPont







				Molykote G-4700 Extreme Pressure Synthetic

				Lithium	2	Synthetic Oil	Molybdenum Disulfide	13.7	Grease Gun Cartridge	-40 to 350	545	375	Black	4328T26	000000

Economy Lathe Chucks

Choose these lathe chucks when high precision isn’t critical. Made of cast iron, they don't match up to the same tight tolerances as forged steel lathe chucks. This means they are only rated to half the maximum speed, so they may wobble at high speeds. Also known as scroll chucks, they are self-centering—all three jaws move together, centering the workpiece as they close. Use the included lathe chuck wrench to open and close the jaws. You’ll need a mounting plate (not included) to connect these chucks to your lathe.

Fixed One-Piece Stepped Jaw Chucks


Front	Back

Fixed jaw lathe chucks come with a set of inside and outside jaws.

	Lathe Chucks										Replacement Inside Jaw Sets		Replacement Outside Jaw Sets
		For Workpiece
	Dia.	OD	ID	Ctr. Through-Hole Dia.	Total Indicated Runout (TIR) Accuracy	Max. Rotation Speed, rpm	Material	Includes		Each		Each		Each
3 Jaws



		3"	0.87" to 2.48"	0.98" to 2.76"	0.63"	0.0002"	4,000	Cast Iron	One Set of Solid Inside Jaws, One Set of Solid Outside Jaws, Self-Ejecting Lathe Chuck Wrench	9116N11	0000000	9116N14	0000000	9116N17	000000

Grease

Use high-pressure grease to improve grip and prolong the life of your chuck.

					Container
	Thickener	NLGI Consistency Grade	Base Oil	Additive	Size, fl. oz.	Type	Temp. Range, ° F	Melting Temp., ° F	Weld Load, kgf	Color		Each
DuPont







				Molykote G-4700 Extreme Pressure Synthetic

				Lithium	2	Synthetic Oil	Molybdenum Disulfide	13.7	Grease Gun Cartridge	-40 to 350	545	375	Black	4328T26	000000

5C Collet to Lathe Chuck Adapters

No need to break down a collet set up when a workpiece doesn't fit a 5C collet. Install one of these lathe chuck adapters in your 5C collet chuck or holder and its three jaws will securely grasp the workpiece. These chuck adapters are self centering—all three jaws move in unison, centering the workpiece as they close. Use the included lathe chuck wrench to open and close the jaws.

	For Workpiece		Length				Thread Size
Dia.	OD	ID	Head	Shaft	O'all	Ctr. Through-Hole Dia.	Internal	External	Material	Includes		Each
3"	5/64" to 2 15/32"	63/64" to 2 3/4"	2 41/64"	3 13/32"	6 3/64"	5/8"	7/8"-20	1.238"-20	Hardened Steel	One Set of Solid Outside-Grip Jaws, One Set of Solid Inside-Grip Jaws, Lathe Chuck Wrench	33135A21	0000000

Lathe Chuck to 5C Collet Adapters

When a job calls for a 5C collet, save time by using an adapter instead of removing your lathe chuck. The adapter fits most lathe chucks. Install a 5C collet into the adapter and secure it by turning the lock with the included hex key.

Dia.	Lg.	Material	Includes		Each
3"	3 1/2"	Hardened Steel	Hex Key	3302A21	0000000

Three-Wheel Lathe Knurling Tools and Holders


Round Shank	Square Shank	Forming

Press uniform, high-precision knurls into parts with minimal pressure. These tools are good for small-diameter or long parts because they use less pressure than one- and two-wheel knurling tools, which can bend the part. The adjustable scroll gear supports a range of workpiece diameters. The knurls have smooth, rounded teeth. They distribute pressure evenly to maintain quality and efficiency—even in high-volume production runs. Use them in CNC lathes, turret lathes, and automatic screw machines. Pair them with a holder (sold separately) to fit your lathe.

	Tools														Replacement Pin Sets
						Knurl
	For Workpiece Size	Dia.	Lg.	Material	No. of Knurling Wheels	Dia.	Face Wd.	Hole Dia.	Face Type	Material	Includes	For Use On		Each		Each
Forming



		1/8" to 1"	3"	1 1/2"	Steel	3	1/2"	1/4"	1/4"	Beveled	High-Speed Tool Steel	One Left-Hand Spiral Pattern Knurl (30 Teeth per Inch) Two Right-Hand Spiral Pattern Knurls (30 Teeth per Inch)	Aluminum, Brass, Bronze, Cast Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium	9470N102	000000000	9466N131	000000

Accessories and Replacements for Lathe Tools

Holders

Square Shank

Round Shank

		Shank
	For Tool Dia.	Dia.	Wd.	Ht.	Through-Hole Dia.	Overall Lg.	Material		Each
Square Shank



		3"	—	3/4"	3/4"	—	4"	Steel	9470N109	0000000


		3"	—	1"	1"	—	5"	Steel	9470N111	000000


		Round Shank



				3"	3/4"	—	—	1/2"	4"	Steel	9470N113	000000


				3"	1"	—	—	3/4"	5"	Steel	9470N112	000000

Replacement Knurls


Right-Hand Spiral	Left-Hand Spiral

Teeth per Inch—Teeth per inch (TPI) determines how fine your pattern is. The higher the number, the smoother, more closely spaced your pattern will be. A tool handle is usually knurled with 30 TPI.

	Knurl Face Type	Material	For Use On	Teeth per In.		Each
Right-Hand-Spiral Knurl







	Forming

	1/2"	1/4"	1/4"	Beveled	Titanium Nitride (TiN)-Coated High-Speed Tool Steel	Aluminum, Brass, Bronze, Cast Iron, Copper, Nickel, Stainless Steel, Steel, Titanium	30	9462N112	000000


	Left-Hand-Spiral Knurl







					Forming

					1/2"	1/4"	1/4"	Beveled	Titanium Nitride (TiN)-Coated High-Speed Tool Steel	Aluminum, Brass, Bronze, Cast Iron, Copper, Nickel, Stainless Steel, Steel, Titanium	30	9462N113	00000