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DFARS Specialty Metals
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.
Fixed Pin—For Jacobs and Rohm Chucks
| Chuck Key Number | For Jacobs Chuck Manufacturer Model Number | For Rohm Chuck Manufacturer Model Number | Material | Overall Lg. | Each | |
| K1, S1, T1, TK1, 1 | 1A, 1B, 1BS | R0-0 | Steel | 1 3/8" | 0000000 | 00000 |
| K1, S1, TK1, 1 | 1A, 1B, 1BS | R0-0 | Steel | 2 5/16" | 0000000 | 00000 |
| 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 | 0000 |
| K30, R13, S8, TK30, 13 | 30, 30B, 31-01, 31-02, 31B, 31BA, 41BA, 8 1/2N | LCT9-12TH, LCT9-38TH, LST9-12TH, R1-1, R1-12TH, R1-38TH, R2-38TH, R8-1, R8-12TH, R8-38TH | Steel | 1 5/8" | 0000000 | 0000 |
| K32, S9, T5, TK32 | 11N, 32, 32B, 32BA, 33, 3326A, 33B, 33BA, 33KD | R2-12TH, R2-2, R2-33, R3-12TH, R3-2, R3-33, R3-38TH, R3-58TH, R3-6 | Steel | 1 13/16" | 0000000 | 0000 |
| K4, S13, TK4, 9 | 16N, 18N, 36, 36B, 36KD, 36PD | BB20-4, BB26-5, R5-3, R5-4, R6-5 | Steel | 2 3/4" | 0000000 | 00000 |
| K7, R4, S18, T4, TK7 | 7, 7-1A, 7B, 7BA | R1-38TH | Steel | 1 5/8" | 0000000 | 0000 |
| KG, KG1, KGA, S14, TB1, TKG | 20BA, 30248, All 1/4" and 3/8" Multi-Craft Chucks | LCT8-12TH, LCT8-38TH, LST8-38TH | Steel | 1 3/8" | 0000000 | 0000 |
| S2A | __ | 111 Prima-8, 129-00 | Steel | 1 39/64" | 0000000 | 0000 |
| S3 | __ | 111 Prima-13, 111 Prima-16, 111 Prima-16M | Steel | 1 31/32" | 0000000 | 0000 |
Self-Ejecting Pin—For Jacobs and Rohm Chucks
| Chuck Key Number | For Jacobs Chuck Manufacturer Model Number | For Rohm Chuck Manufacturer Model Number | Material | Overall Lg. | Each | |
| K1, S1, T1, TK1, 1 | 1A, 1B, 1BS | R0-0 | Steel | 1 37/64" | 0000000 | 000000 |
| 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 | 00000 |
| K30, R13, S8, TK30, 13 | 30, 30B, 31-01, 31-02, 31B, 31BA, 41BA, 8 1/2N | LCT9-12TH, LCT9-38TH, LST9-12TH, R1-1, R1-12TH, R1-38TH, R2-38TH, R8-1, R8-12TH, R8-38TH | Steel | 2" | 0000000 | 00000 |
| K32, S9, T5, TK32 | 11N, 32, 32B, 32BA, 33, 3326A, 33B, 33BA, 33KD | R2-12TH, R2-2, R2-33, R3-12TH, R3-2, R3-33, R3-38TH, R3-58TH, R3-6 | Steel | 2 1/8" | 0000000 | 00000 |
| K4, S13, TK4, 9 | 16N, 18N, 36, 36B, 36KD, 36PD | BB20-4, BB26-5, R5-3, R5-4, R6-5 | Steel | 2 13/16" | 0000000 | 00000 |
| K7, R4, S18, T4, TK7 | 7, 7-1A, 7B, 7BA | R1-38TH | Steel | 1 51/64" | 0000000 | 00000 |
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 |
| K30, K7, KG1, KK | 20BA, 30, 30246, 30248, 30B, 31-01, 31-02, 31052, 31B, 31BA, 41BA, 7, 7-1A, 7B, 7BA, 8 1/2N, All 1/2" Multi-Craft Chucks, All 1/4" and 3/8" Multi-Craft Chucks | LCT9-12TH, LCT9-38TH, LST9-12TH, R1-1, R1-12TH, R1-38TH, R2-38TH, R8-1, R8-12TH, R8-38TH | No | 2" | Steel | 0000000 | 00000 |
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 | |
| K1, K7, KG1, KK | 0BM, 0M, 20BA, 30246, 30248, 31052, 7, 7-1A, 7B, 7BA, All 1/2" Multi-Craft Chucks, All 1/4" and 3/8" Multi-Craft Chucks | LCT8-12TH, LCT8-38TH, LST8-38TH, R0-0, R1-38TH | 4 3/8" | Steel | 00000000 | 000000 |
| 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 | 00000 |
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 | |
| K1 | 1A, 1B, 1BS | R0-0 | Yes | 1.35" | Steel | 3 1/4" | Aluminum | Gold | 0000000 | 000000 |
| 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 | 00000 |
| K30 | 30, 30B, 31-01, 31-02, 31B, 31BA, 41BA, 8 1/2N | LCT9-12TH, LCT9-38TH, LST9-12TH, R1-1, R1-12TH, R1-38TH, R2-38TH, R8-1, R8-12TH, R8-38TH | Yes | 1.6" | Steel | 3 1/4" | Aluminum | Blue | 0000000 | 00000 |
| K32 | 11N, 32, 32B, 32BA, 33, 3326A, 33B, 33BA, 33KD | R2-12TH, R2-2, R2-33, R3-12TH, R3-2, R3-33, R3-38TH, R3-58TH, R3-6 | Yes | 1.76" | Steel | 3 1/4" | Aluminum | Green | 0000000 | 00000 |
| K7 | 7, 7-1A, 7B, 7BA | R1-38TH | Yes | 1.53" | Steel | 3 1/4" | Aluminum | Purple | 0000000 | 00000 |