Jacobs® drill chuck keys and accessories
Chucks Keys
Application
Comprehensive section of Jacobs® precision crafted keys meet
any need.
Choice of models with nickel thumb grips, "T" handles
plus self ejecting keys.
Features & Benefits
Nickel thumb grip styles increase leverage and user comfort.
Soft steel handles limit the potential for dangerous fracturing
under excessive load.
Self-ejecting models with spring-loaded ejectors
ensure key disengagement after tightening.
| Model No. | Pilot Size ( inch) | Used on | type of key |
| see illustration at bottom of chart | |||
| JAC.K0 | 1/8 | 0 Series | T-Handle |
| JAC.K0M | 1/8 | 0 Series Stainless | T-Handle |
| JAC.K1 | 5/32 | 1 Series | T-Handle |
| JAC.K1M | 5/32 | 1 Series Stainless | T-Handle |
| JAC.K2 | 1/4 | 2 series | Thumb Handle |
| JAC.K3 | 5/16 | 3, 34 series and 14N | Thumb Handle |
| JAC.K3C | 5/16 | 34-33 C | Thumb Handle |
| JAC.K4 | 3/8 | 36,16N, 18N | Thumb Handle |
| JAC.K5 | 7/16 | 20N | T-Handle |
| JAC.K7 | 7/32 | 7 Series | Thumb Handle |
| JAC.K30 | 15/64 | 31 Series and 8-1/2N | Thumb Handle |
| JAC.K32 | 1/4 | 32, 33 Series & 11N | Thumb Handle |
| JAC.KK | 9/32 | DC8, SM8, 74K, 22BA, 23BA, 24BA, 26BA, 29-33 | T-Handle |
| JAC.KKA | 9/32 | L-Handle | |
| JAC.KG * | 1/4 | 1/4" & 3/8" Multi-Craft® | T-Handle |
| JAC.KG1 | 1/4 | 1/4" & 3/8" Multi-Craft® ( black handle) | T-Handle |
| JAC.KGA | 1/4 | 1/4" & 3/8" Multi-Craft® | L-Handle |
| * available only until existing inventory is depleted | |||
Key Styles
 |
 |
 |
| Thumb Handle | L-Handle | T-Handle |
| Model No. | Pilot Size ( inch) | Used on |
| JAC.S-K3C | 5/16 | 3, 34 series and 14N |
| JAC.S-K32C | 1/4 | 32, 33 Series & 11N |
| JAC.S-KK | 9/32 | DC8, SM8, 74K, 22BA, 23BA, 24BA, 26BA, 29-33 |
Wedge
Setsfor removing taper mount chucks from arbor or chucks
| Set No. | Used on Jacobs Taper No. |
| JAC.WED-1 | 1 JT |
| JAC.WED-2 | 2 JT |
| JAC.WED-3 | 3 JT |
| JAC.WED-6 | 6 JT |
Removal of Jacobs® tapers No. 4 and No. 5 requires stacking of No.3 and No.6 wedge sets.
Keyleashes
Application
Can't find your keys? Jacobs Chuck provides the keyleash to help
you track your keys.
| Model No. | Fits Key No. |
| JAC.A | K0, K1, K7, KG |
| JAC.B | K30, K32, K2, KK |
| JAC.C | K3 |
link to index page