- Stock: In Stock
- Brand: TORK CRAFT
- Model: CMJT4-1 377989
- Weight: 0.34kg
- Dimensions: 145.00cm x 34.00cm x 34.00cm
- SKU: CMJT4-1
- UPC: 6009515888480
Tork Craft Taper Adapter — MT2 to JT4 (Morse → Jacobs)
Adapt MT2 (Morse Taper #2) spindles/arbors to accept JT4 (Jacobs Taper #4) drill chucks. This hardened, precision-ground adapter ensures concentric seating for smooth, accurate drilling on drill presses, lathe tailstocks and milling machines (drill mode).
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Features
- Conversion: MT2 male shank → JT4 male taper (for JT4-bore chucks).
- Precision-ground tapers for low run-out and reliable grip.
- Hardened steel construction for durability in workshop use.
- Smooth finish seats and releases cleanly.
- Industry-standard geometry compatible with common machines and arbors.
Benefits
- Versatility: mount JT4 chucks onto MT2 machines without replacing arbors.
- Accuracy: concentric fit improves hole quality and extends tool life.
- Quick setup: simple press-fit—no special tools required for assembly.
Extra Information
- Thoroughly clean and degrease both tapers before assembly; debris reduces holding power.
- Seat the chuck with a firm hand press on a solid surface—avoid hammering on the chuck body.
- Remove using the machine’s eject feature or correct taper drift/wedge.
Pro Tip
- Mark the adapter and chuck with a reference line; reassembling to the same orientation can preserve best concentricity.
- If the fit feels tight, lightly stone any raised burrs—never sand or file the seating surfaces.
Specifications
| Description | Spec |
|---|---|
| Brand | Tork Craft |
| Model / Cat No. | CMJT4-1 |
| Product Type | Taper adapter |
| Input Taper (Machine Side) | MT2 (Morse Taper #2), male |
| Output Taper (Chuck Side) | JT4 (Jacobs Taper #4), male |
| Material | Hardened, precision-ground steel |
| Finish | Ground, smooth seating surfaces |
| Typical Uses | Fitting JT4 drill chucks to MT2 drill presses, lathe tailstocks, mills (drill mode) |