Drill Chuck Keys

Keys with self-ejecting pin have a spring-loaded pin that ejects the key from the chuck when released, preventing it from being left in the chuck.
For technical drawings and 3-D models, click on a part number.
Chuck Key Number | For Jacobs Chuck Manufacturer Model Number | For Rohm Chuck Manufacturer Model Number | Material | Overall Lg. | Each | |
K3, S10, T6, TK3 | 14N, 3, 34, 34-02, 34-06, 34-33, 34B, 34KD, 35B, 3A, 3B, 3KD, 3PD, 6A-33, 6B | BB13-3, BB16-3, R4-12TH, R4-3, R4-58TH | Steel | 1 7/8" | 0000000 | 00000 |
Chuck Key Number | For Jacobs Chuck Manufacturer Model Number | For Rohm Chuck Manufacturer Model Number | Material | Overall Lg. | Each | |
K3, S10, T6, TK3 | 14N, 3, 34, 34-02, 34-06, 34-33, 34B, 34KD, 35B, 3A, 3B, 3KD, 3PD, 6A-33, 6B | BB13-3, BB16-3, R4-12TH, R4-3, R4-58TH | Steel | 2 3/8" | 0000000 | 000000 |
Multiple-Size Drill Chuck Keys

For technical drawings and 3-D models, click on a part number.
Chuck Key Number | For Jacobs Chuck Manufacturer Model Number | For Rohm Chuck Manufacturer Model Number | Keys Replaceable | Key Lg. | Material | Each | |
K2, K3, K32, K4 | 11N, 14N, 16N, 18N, 2A, 2B, 2BA, 3, 32, 32B, 32BA, 33, 3326A, 33B, 33BA, 33KD, 34, 34-02, 34-06, 34-33, 34B, 34KD, 35B, 36, 36B, 36KD, 36PD, 3A, 3B, 3KD, 3PD, 6A-33, 6B | BB13-3, BB16-3, BB20-4, BB26-5, R2-12TH, R2-2, R2-33, R3-12TH, R3-2, R3-33, R3-38TH, R3-58TH, R3-6, R4-12TH, R4-3, R4-58TH, R5-3, R5-4, R6-5 | No | 2" | Steel | 0000000 | 000000 |
Replaceable Multiple-Size Drill Chuck Keys

Replace individual keys when they wear out. They secure to the body with a set screw. All have a magnetic body that sticks to steel surfaces.
For technical drawings and 3-D models, click on a part number.
Chuck Key Number | For Jacobs Chuck Manufacturer Model Number | For Rohm Chuck Manufacturer Model Number | Key Lg. | Material | Each | |
K2, K3, K30, K32 | 11N, 14N, 2A, 2B, 2BA, 3, 30, 30B, 31-01, 31-02, 31B, 31BA, 32, 32B, 32BA, 33, 3326A, 33B, 33BA, 33KD, 34, 34-02, 34-06, 34-33, 34B, 34KD, 35B, 3A, 3B, 3KD, 3PD, 41BA, 6A-33, 6B, 8 1/2N | BB13-3, BB16-3, LCT9-12TH, LCT9-38TH, LST9-12TH, R1-1, R1-12TH, R1-38TH, R2-12TH, R2-2, R2-33, R2-38TH, R3-12TH, R3-2, R3-33, R3-38TH, R3-58TH, R3-6, R4-12TH, R4-3, R4-58TH, R8-1, R8-12TH, R8-38TH | 4 3/8" | Steel | 00000000 | 000000 |
Easy-Turn Drill Chuck Keys

A long handle with a comfortable grip allows these keys to be turned with less effort than other chuck keys. Handles are color-coded to indicate key number.
Handle | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Chuck Key Number | For Jacobs Chuck Manufacturer Model Number | For Rohm Chuck Manufacturer Model Number | Keys Replaceable | Key Lg. | Material | Lg. | Material | Color | Each | |
K3 | 14N, 3, 34, 34-02, 34-06, 34-33, 34KD, 35B, 3A, 3B, 3KD, 3PD, 6A-33, 6B | BB13-3, BB16-3, R4-12TH, R4-3, R4-58TH | Yes | 1.83" | Steel | 3 1/4" | Aluminum | Yellow | 0000000 | 000000 |
Taper-Mount Keyed Drill Chucks


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 | Manufacturer Model Number | Each | |
Jacobs | ||||||||||
0.04"-1/2" | 1-13 | Yes | K3 | 2 | Standard | Steel | Steel | 34-02 | 0000000 | 0000000 |
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 |
1/8"-5/8" | 3-16 | Yes | K3 | 3 | Standard | Steel | Steel | 3A | 0000000 | 000000 |
Pin-Drive Taper-Mount Keyed Drill Chucks


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


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


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"-1/2" | 1-13 | Yes | K3 | 3 | Standard | Steel | Steel | 14N | 0000000 | 0000000 |