Keyed Chucks | McMaster-Carr

	Mount Type Mount Type


Quick-Change Hex	Jacobs Taper

Slot-Drive Straight	Threaded

	For Maximum Bit Shank Size For Maximum Bit Shank Size

	Mounting Hole Thread Size Mounting Hole Thread Size

	For Use With For Use With

Drill Presses

Hand-Held Power Drills

Jancy Magnetic-Base Drills
for Hollow-Core Cutters

Lathes

	For Bit Shank Type For Bit Shank Type


Hex	Round

	For Minimum Bit Shank Size For Minimum Bit Shank Size

	Manufacturer Manufacturer

Jacobs

Jancy

	Manufacturer Model Number Manufacturer Model Number

	Jacobs Taper Number Jacobs Taper Number

	For Tool Drive Direction For Tool Drive Direction

Clockwise

Counterclockwise

	Jacobs Taper Drive Type Jacobs Taper Drive Type

	Standard
	Slot Drive
	Pin Drive

	Chuck Key Number Chuck Key Number

	For Holding For Holding

	Jaw Material Jaw Material

Steel

Stainless Steel

	Body Material Body Material

Steel

Stainless Steel

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

DFARS Specialty Metals
COTS-Exempt

	For Jacobs Chuck Manufacturer Model Number For Jacobs Chuck Manufacturer Model Number

	Arbor Included Arbor Included

Yes

	For Machine Spindle Type For Machine Spindle Type

Morse Taper

Straight

	For Tool Post Series For Tool Post Series

AXA

BXA

CXA

	For Maximum Lathe Swing For Maximum Lathe Swing

	Centerline Height Centerline Height

2 9/16"

	Overall Height Overall Height

3 1/4"

3 1/2"

4 1/2"

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84 Products

Thread-Mount Keyed Drill Chucks

Threaded Mount

Mount these chucks directly onto the threaded spindle of a hand-held power drill.

For Bit Shank Size		Chuck Key
Inch	mm	Included	No.	Mounting Hole Thread Size	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
0.014"-5/32"	0.4-4	Yes	K0	5/16"-24	Steel	Steel	0B 5/16	0000000	0000000
0.04"-1/4"	1-6.5	Yes	K1	3/8"-24	Steel	Steel	1B 3/8	0000000	00000
0.04"-1/4"	1-6.5	Yes	K7	3/8"-24	Steel	Steel	7BA 3/8	0000000	00000
0.04"-3/8"	1-10	Yes	K2	3/8"-24	Steel	Steel	2BA 3/8	0000000	000000
0.04"-3/8"	1-10	Yes	K30	1/2"-20	Steel	Steel	41BA 1/2	0000000	000000
0.04"-3/8"	1-10	Yes	K30	3/8"-24	Steel	Steel	41BA 3/8	0000000	00000
0.04"-3/8"	1-10	Yes	K32	1/2"-20	Steel	Steel	32BA 1/2	0000000	000000
5/64"-1/2"	2-13	Yes	K32	1/2"-20	Steel	Steel	33BA 1/2	0000000	000000
5/64"-1/2"	2-13	Yes	K32	3/8"-24	Steel	Steel	33BA 3/8	0000000	000000
5/64"-1/2"	2-13	Yes	K32	5/8"-16	Steel	Steel	33BA 5/8	0000000	000000
1/8"-5/8"	3-16	Yes	K3	1/2"-20	Steel	Steel	3B 1/2	0000000	000000
1/8"-5/8"	3-16	Yes	K3	5/8"-16	Steel	Steel	3B 5/8	0000000	000000
3/16"-0.8"	5-20.3	Yes	K4	3/4"-16	Steel	Steel	36B 3/4	0000000	000000
3/16"-0.8"	5-20.3	Yes	K4	5/8"-16	Steel	Steel	36B 5/8	0000000	000000

Replacement Parts
Sleeve for Jacobs Drill Chuck 36B 5/8, 36B 3/4	Each	000000
Jaw and Nut Set for Jacobs Drill Chuck 36B 5/8, 36B 3/4	Each	00000
Sleeve for Jacobs Drill Chuck 33BA 3/8, 33BA 1/2, 33BA 5/8	Each	00000
Jaw and Nut Set for Jacobs Drill Chuck 33BA 3/8, 33BA 1/2, 33BA 5/8	Each	00000
Jaw and Nut Set for Jacobs Drill Chuck 3B 1/2, 3B 5/8	Each	00000
Sleeve for Jacobs Drill Chuck 3B 1/2, 3B 5/8	Each	00000

Light Duty Thread-Mount Keyed Drill Chucks

Threaded Mount

These chucks mount directly onto the threaded spindle of a hand-held power drill.

For Bit Shank Size		Chuck Key
Inch	mm	Included	Number	Mounting Hole Thread Size	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
0.028"-1/4"	0.7-6.5	Yes	KG1	3/8"-24	Steel	Steel	30243	0000000	000000
1/16"-3/8"	1.5-10	Yes	KG1	3/8"-24	Steel	Steel	30247	0000000	00000
5/64"-1/2"	2-13	Yes	KK	3/8"-24	Steel	Steel	30598	0000000	00000
5/64"-1/2"	2-13	Yes	KK	1/2"-20	Steel	Steel	30602	0000000	00000

Thread-Mount Keyed Drill Chucks for Hammer Drills

Threaded Mount

A gripping ring in these chucks absorbs vibration and holds drill bits tighter than standard chucks during heavy hammer-drilling operations. They mount directly onto the threaded spindle of a hammer drill.

For technical drawings and 3-D models, click on a part number.

For Bit Shank Size		Chuck Key
Inch	mm	Included	Number	Mounting Hole Thread Size	Body Material	Jaw Material		Each
1/16"-1/2"	1.5-13	Yes	K32	3/8"-24	Steel	Steel	00000000	000000
1/16"-1/2"	1.5-13	Yes	K32	1/2"-20	Steel	Steel	00000000	00000
3/32"-5/8"	2.5-16	Yes	K3	1/2"-20	Steel	Steel	00000000	000000
3/32"-5/8"	2.5-16	Yes	K3	5/8"-16	Steel	Steel	00000000	000000

Corrosion-Resistant Thread-Mount Keyed Drill Chucks

Threaded Mount

Made of stainless steel, these chucks are rust and corrosion resistant. They mount directly onto the threaded spindle of a hand-held power drill.

For Bit Shank Size		Chuck Key
Inch	mm	Included	Number	Mounting Hole Thread Size	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
0.028"-5/32"	0.7-4	Yes	K0M	5/16"-24	416 Stainless Steel	416 Stainless Steel	0BM 5/16	0000000	0000000
0.028"-1/4"	0.7-6.5	Yes	K1M	5/16"-24	416 Stainless Steel	416 Stainless Steel	1BM 5/16	0000000	000000
0.028"-1/4"	0.7-6.5	Yes	K1M	3/8"-24	416 Stainless Steel	416 Stainless Steel	1BM 3/8	0000000	000000

Taper-Mount Keyed Drill Chucks

Jacobs Taper Mount

These chucks require an arbor (sold separately).

For Bit Shank Size		Chuck Key		Jacobs Taper
Inch	mm	Included	Number	Number	Drive Type	Body Material	Jaw Material	Features	Manufacturer Model Number		Each
Jacobs
0.014"-5/32"	0.4-4	Yes	K0	0	Standard	Steel	Steel	__	0	0000000	000000
0.04"-1/4"	1-6.5	Yes	K1	1	Standard	Steel	Steel	__	1A	0000000	00000
0.04"-3/8"	1-10	Yes	K2	1	Standard	Steel	Steel	__	2-01	0000000	000000
0.04"-3/8"	1-10	Yes	K2	2	Standard	Steel	Steel	__	2A	0000000	000000
0.04"-1/2"	1-13	Yes	K3	2	Standard	Steel	Steel	__	34-02	0000000	000000
0.04"-1/2"	1-13	Yes	K3	6	Standard	Steel	Steel	__	34-06	0000000	000000
0.04"-1/2"	1-13	Yes	K3	33	Standard	Steel	Steel	__	34-33	0000000	000000
0.04"-1/2"	1-13	Yes	K3C	33	Standard	Steel	Steel	Locking Collar	34-33C	0000000	000000
5/64"-1/2"	2-13	Yes	K32	33	Standard	Steel	Steel	__	33	0000000	000000
1/8"-5/8"	3-16	Yes	K3	3	Standard	Steel	Steel	__	3A	0000000	000000
3/16"-0.8"	5-20.3	Yes	K4	3	Standard	Steel	Steel	__	36	0000000	000000

Replacement Parts
Sleeve for Drill Chuck 33	Each	000000
Jaw and Nut Set for Drill Chuck 33	Each	00000
Sleeve for Drill Chuck 3A	Each	00000
Jaw and Nut Set for Drill Chuck 3A	Each	00000
Sleeve for Drill Chuck 34-02, 34-06, 34-33, 34-33C	Each	00000
Jaw and Nut Set for Drill Chuck 34-02, 34-06, 34-33, 34-33C	Each	00000
Jaw and Nut Set for Drill Chuck 36	Each	00000
Sleeve for Drill Chuck 36	Each	00000

Pin-Drive Taper-Mount Keyed Drill Chucks

Pin-Drive Jacobs Taper Mount

Mount this chuck onto an arbor (sold separately) for use in high-torque applications. It is also known as a positive-drive chuck.

For Bit Shank Size		Chuck Key
Inch	mm	Included	Number	Jacobs Taper Number	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
1/8"-5/8"	3-16	Yes	K3	3	Steel	Steel	3PD	0000000	0000000

Replacement Parts
Jaw and Nut Set for Drill Chuck 3PD	0000000	Each	000000
Sleeve for Drill Chuck 3PD	0000000	Each	00000

Slot-Drive Taper-Mount Keyed Drill Chucks

Slot-Drive Jacobs Taper Mount

Mount these chucks onto an arbor (sold separately) for use in high-torque applications. They’re also known as positive-drive chucks.

For Bit Shank Size		Chuck Key		Jacobs Taper
Inch	mm	Included	Number	Number	Drive Type	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
5/64"-1/2"	2-13	Yes	K32	33	Slot Drive	Steel	Steel	33KD	0000000	0000000
1/8"-5/8"	3-16	Yes	K3	3	Slot Drive	Steel	Steel	3KD	0000000	000000
3/16"-0.8"	5-20.3	Yes	K4	3	Slot Drive	Steel	Steel	36KD	0000000	000000

Replacement Parts
Sleeve for Drill Chuck 36KD	Each	000000
Jaw and Nut Set for Drill Chuck 36KD	Each	00000
Jaw and Nut Set for Drill Chuck 3KD	Each	00000
Sleeve for Drill Chuck 3KD	Each	00000
Sleeve for Drill Chuck 33KD	Each	00000
Jaw and Nut Set for Drill Chuck 33KD	Each	00000

Extra-Grip Taper-Mount Keyed Drill Chucks

Jacobs Taper Mount

A ball-bearing design provides increased gripping force to keep bits from slipping, which allows these chucks to take on high-torque drilling applications. Also known as super chucks, they are excellent for use on high-speed drilling machines, milling machines, jig borers, and lathes. All require an arbor (sold separately).

For Bit Shank Size		Chuck Key		Jacobs Taper
Inch	mm	Included	Number	Number	Drive Type	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
0.04"-1/4"	1-6.5	Yes	K30	2	Standard	Steel	Steel	8 1/2N	0000000	0000000
0.04"-3/8"	1-10	Yes	K32	2	Standard	Steel	Steel	11N	0000000	000000
0.04"-1/2"	1-13	Yes	K3	3	Standard	Steel	Steel	14N	0000000	000000
1/8"-5/8"	3-16	Yes	K4	3	Standard	Steel	Steel	16N	0000000	000000
1/8"-3/4"	3-19	Yes	K4	4	Standard	Steel	Steel	18N	0000000	000000
3/8"-1"	10-25.4	Yes	K5	5	Standard	Steel	Steel	20N	0000000	000000

Replacement Parts
Service Kit with Service Kit Number for Drill Chuck 11N	Each	0000000
Sleeve for Drill Chuck 11N	Each	00000
Service Kit without Service Kit Number for Drill Chuck 11N	Each	00000
Service Kit with Service Kit Number for Drill Chuck 16N	Each	000000
Sleeve for Drill Chuck 16N	Each	000000
Service Kit without Service Kit Number for Drill Chuck 16N	Each	000000
Service Kit with Service Kit Number for Drill Chuck 8 1/2N	Each	000000
Service Kit without Service Kit Number for Drill Chuck 8 1/2N	Each	00000
Service Kit with Service Kit Number for Drill Chuck 14N	Each	000000
Service Kit without Service Kit Number for Drill Chuck 14N	Each	000000
Sleeve for Drill Chuck 14N	Each	00000
Service Kit with Service Kit Number for Drill Chuck 20N	Each	000000
Service Kit without Service Kit Number for Drill Chuck 20N	Each	000000
Service Kit with Service Kit Number for Drill Chuck 18N	Each	000000
Sleeve for Drill Chuck 18N	Each	000000
Service Kit without Service Kit Number for Drill Chuck 18N	Each	000000

Corrosion-Resistant Taper-Mount Keyed Drill Chucks

Jacobs Taper Mount

Made of stainless steel, these chucks are rust and corrosion resistant. They require an arbor (sold separately).

For Bit Shank Size		Chuck Key		Jacobs Taper
Inch	mm	Included	Number	Number	Drive Type	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
0.028"-5/32"	0.7-4	Yes	K0M	0	Standard	416 Stainless Steel	416 Stainless Steel	0M	0000000	0000000
0.028"-1/4"	0.7-6.5	Yes	K1M	1	Standard	416 Stainless Steel	416 Stainless Steel	1M	0000000	000000

Hex-Shank Keyed Drill Chucks for Power Screwdrivers and Impact Drivers

1/4" Hex-Shank Mount

Convert a power screwdriver or impact driver into a versatile drill. Also known as adapt-a-drive, this chuck has a 1/4" hex shank that fits the hex drive in most power screwdrivers and impact drivers.

For Bit Shank Size		Chuck Key
Inch	mm	Included	Number	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
0.028"-1/4"	0.7-6.5	Yes	KG1	Steel	Steel	30248	00000000	000000

Slot-Drive Straight Mount Keyed Drill Chucks

Slot-Drive Straight Mount

Mount directly onto a straight spindle for use in high-torque applications. Also known as a positive-drive chuck.

For Bit Shank Size		Chuck Key
Inch	mm	Included	Number	Body Material	Jaw Material	Manufacturer Model Number		Each
Jacobs
5/64"-1/2"	2-13	Yes	K32	Steel	Steel	3326A	0000000	0000000

Replacement Parts
Jaw and Nut Set for Jacobs Drill Chuck 3326A	0000000	Each	000000
Sleeve for Jacobs Drill Chuck 3326A	0000000	Each	00000

Sleeves for Jacobs Drill Chucks

For Jacobs Chuck Manufacturer Model Number		Each
11N	0000000	000000
14N	0000000	00000
16N	0000000	000000
18N	0000000	000000
3A, 3B, 3B 1/2, 3B 5/8, 3KD, 3PD	0000000	00000
33, 33BA 1/2, 33BA 3/8, 33BA 5/8, 33KD	0000000	00000
34-02, 34-06, 34-33, 34-33C	0000000	00000
36, 36B 3/4, 36B 5/8, 36KD	0000000	00000

Jaw and Nut Sets for Jacobs Drill Chucks

For Jacobs Chuck Manufacturer Model Number		Each
3A, 3B 1/2, 3B 5/8, 3KD, 3PD	0000000	000000
33, 33BA 1/2, 33BA 3/8, 33BA 5/8, 33KD	0000000	00000
34-02, 34-06, 34-33, 34-33C	0000000	00000
36, 36B 3/4, 36B 5/8, 36KD	0000000	00000

Service Kits for Jacobs Drill Chucks

Kits include a set of jaws, set of split nuts, a thrust bearing, and washer.

Style A are for older chucks that do not have a service kit number on their nose.

Style B are for chucks that have a service kit number on their nose.

Style A
For Jacobs Chuck Manufacturer Model Number		Each
8 1/2N	0000000	000000
11N	0000000	00000
14N	0000000	000000
16N	0000000	000000
18N	0000000	000000
20N	0000000	000000
Style B
8 1/2N	0000000	000000
11N	0000000	000000
14N	0000000	000000
16N	0000000	000000
18N	0000000	000000
20N	0000000	000000

Morse Taper Arbors with Drill Chuck

This arbor with chuck allows drills with a #3 Morse taper spindle to accept standard drill bits.

For Bit Shank Size		For Machine Spindle Morse Taper			Chuck Key				Arbor
Inch	mm	Number	Dia.	Chuck Material	Number	Material	Length	Included	Lg.	Included		Each
3/16"-3/4"	4.5-19	3	0.938"	Steel	K4	Steel	5 3/32"	Yes	5 1/2"	Yes	0000000	0000000

Drill Chuck Holders for Quick-Change Lathe Tool Posts

Shown with Drill Bit (Sold Separately)

A built-in drill chuck allows quick installation of drill bits, taps, and other round- or hex-shank tools into a quick-change tool post. A height-adjustment screw allows for quick and accurate tool height changes without the need for shimming. Posts and holders (sold separately) are interchangeable with systems from Aloris, Dorian, and Armstrong.

Holders
					Chuck Key					Replacement Height Adjustment Screws
For Tool Post Series	For Lathe Swing	For Bit Shank Size	Centerline Ht.	Overall Ht.	Number	Material	Included		Each		Each
AXA	0"-10"	0"-1/2"	2"	3 1/4"	K3	Steel	Yes	000000000	0000000	000000000	000000
BXA	12"-15"	0"-1/2"	2"	3 1/2"	K3	Steel	Yes	000000000	000000	000000000	00000
CXA	13"-18"	0"-1/2"	2 9/16"	3 1/2"	K3	Steel	Yes	000000000	000000	000000000	00000
CA	14"-20"	3/16"-3/4"	2 9/16"	4 1/2"	K4	Steel	Yes	000000000	000000	000000000	00000

Chuck and Adapter for Jancy Magnetic-Base Drills

These chucks and adapters will allow your Jancy magnetic-base drills to accept standard drill bits.

	For Machine Spindle
For Max. Bit Shank Size	Shank Type	Shank Dia.	Chuck Key Included	For Manufacturer Model Number		Each
Jancy
1/2"	Straight	1/2"	Yes	JHM USA101	0000000	0000000