Menu
Your Cart
Secure
Checkout
Satisfaction
Guarantee

TORK CRAFT Taper Adapter Mt3 - Jt4

TORK CRAFT Taper Adapter Mt3 - Jt4
TORK CRAFT Taper Adapter Mt3 - Jt4
R 134.00
Ex VAT: R 116.52
Quantity Unit Price You Save
5 or more R 130.97 2.26 %
10 or more R 128.99 3.74 %
20 or more R 127.00 5.22 %
  • Stock: 286
  • MPN: CMJT4-2
  • Weight: 0.40kg
  • Dimensions: 150.00mm x 20.00mm x 20.00mm
  • SKU: CMJT4-2
  • UPC: 6009515888497
For 30 or more items, click to quote
TAPER ADAPTER MT3 - JT4

Write a review

Bad Good

Features

  • Conversion: MT3 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 for clean seating and easy release.
  • Industry-standard geometry compatible with common machines and arbors.

Benefits

  • Versatility: mount JT4 chucks on MT3 machines without replacing arbors.
  • Accuracy: concentric fit improves hole quality and tool life.
  • Quick setup: press-fit assembly—no special tools needed.

 

Download the Specification sheet:
View the Specification sheet:

Extra Information

  • Thoroughly clean and degrease both tapers before assembly.
  • Seat the chuck with a firm hand press; 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; reassemble to the same orientation to preserve best concentricity.
  • If insertion feels rough, lightly stone any raised burrs on the tapers—never sand or file the seating surfaces.

Specifications

Description Spec
BrandTork Craft
Model / Cat No.CMJT4-2
Product TypeTaper adapter
Input Taper (Machine Side)MT3 (Morse Taper #3), male
Output Taper (Chuck Side)JT4 (Jacobs Taper #4), male
MaterialHardened, precision-ground steel
FinishGround, smooth seating surfaces
Typical UsesFitting JT4 drill chucks to MT3 drill presses, lathe tailstocks, mills (drill mode)

Safety

  • Disconnect power before installing/removing chucks or adapters.
  • Ensure tapers are fully seated; avoid side-loading small drills.
  • Use rotary drilling only—do not use hammer/impact with taper-mounted chucks.
  • Wear eye protection and secure the workpiece properly.
Drill Chuck with Key Chuck Capacity: 1 - 10mm A drill chuck with key is a device used to secure drill bits into power drills and o..
R 104.00
Ex VAT:R 90.43
ALPEN SDS MAX - SDS PLUS ADAPTOR....
R 1,952.00
Ex VAT:R 1,697.39
CHUCK 13MM 1/2' x 20 FEMALE WITH KEY....
R 233.00
Ex VAT:R 202.61
TORK CRAFT 15pc Screwdriver Set With Bits Sockets And Belt Clip
-22 %
15PC SCREWDRIVER SET WITH BITS SOCKETS AND BELT CLIP....
R 142.31 R 182.00
Ex VAT:R 123.75
TORK CRAFT 6pc Screwdriver Set With Wall Mountable Rack S2 Pz Sl
-20 %
6PC SCREWDRIVER SET WITH WALL MOUNTABLE RACK S2 PZ SL....
R 228.56 R 284.00
Ex VAT:R 198.75
TORK CRAFT 8pc Screwdriver & Tester Set Electricians Insulated Vde
Out Of Stock
8PC SCREWDRIVER & TESTER SET ELECTRICIANS INSULATED VDE....
R 555.00
Ex VAT:R 482.61
TORK CRAFT 20pc Screwdriver Set Includes Insert Bits
Out Of Stock