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Conversion Kits

Conversion Kits for mini lathes and mini mills - LittleMachineShop.com

LittleMachineShop.com has bed extension kits for mini lathes, air spring kits for mini mills and more. Metric threading kits let you turn metric threads on your mini lathe. All of our conversion kits come with complete step-by-step instructions.

5206   Analog Conversion Kit

  • Replaces both DRO units with 0.001" graduated dials
This kit contains the parts required to replace the DRO readouts with dials. The screws are 20 TPI so there are 50 graduations on the dials.

5000   Bed Extension Kit 16"

  • Precision ways are approximately 28-3/8" long
  • Rack is approximately 17-3/4" long
  • Lead screw is approximately 29-5/16" long
This kit turns your 7x10 or 7x12 lathe into a 7x16 lathe. It includes a bed casting, a lead screw, a rack, a motor mount, a chip pan, 2 chip pan braces, several fasteners, and complete instructions. The 7x16 bed is actually 8" longer than the 7x10 bed. It is 4" longer than the 7x12 bed. This is NOT a bolt-together kit. You must drill and tap 9 holes in the new bed casting to match your lathe. You need three metric taps: M3x0.5, M6x1, and M8x1.25. If you don't have metric drills, you can use letter and number drills for tap drills. (The sizes are given in the instructions.)

4270   Bed Extension Kit 16", HiTorque Mini Lathes

  • ONLY FITS LittleMachineShop.com HiTorque 7x12 Mini Lathes
  • Extend your HiTorque Mini Lathe to 16" between centers
  • Precision ground ways are approximately 27-7/8" long
  • Rack is approximately 18" long
  • Lead screw is approximately 29" long
This kit turns your Littlemachineshop.com 7x12 HiTorque Mini Lathe into a 7x16 lathe. It includes a bed casting, a lead screw, a rack, a chip pan, and complete instructions. This is NOT a bolt-together kit. You must drill and tap 10 holes in the new bed casting to match your lathe. You need three metric taps: M3x0.5, M6x1.0, and M8x1.25. If you don't have metric drills, you can use letter and number drills for tap drills. (The sizes are given in the instructions.)

3447   Change Gear Set, Metal

  • Module 1 Metric gears
  • Bore 12 mm
  • Keyway 3 mm
  • Width 8 mm
Complete set of steel change gears for the mini lathe. Includes the following: 1 30 Tooth gear 1 35 Tooth gear 2 40 Tooth gear 1 45 Tooth gear 1 50 Tooth gear 1 55 Tooth gear 1 57 Tooth gear 1 60 Tooth gear 1 65 Tooth gear

4213   CNC Spindle Control Upgrade Kit for SX2, SC2

  • Converts brushless DC drive to CNC control
  • Provides speed, on/off, and direction control
  • For 500 watt Brushless DC drive used on SX2, SC2
  • 120V 60Hz
This conversion kit consists of a small circuit board that replaces the circuit board with the speed control potentiometer, plus a replacement chip for the motor controller card. This kit works on SX2 mini mill and SC2 mini lathes.

4950   CNC Spindle Control Upgrade Kit for SX2, SC2 230V

  • Converts brushless DC drive to CNC control
  • Provides speed, on/off, and direction control
  • For 500 watt Brushless DC drive used on SX2, SC2
  • 230V 50Hz
This conversion kit consists of a small circuit board that replaces the circuit board with the speed control potentiometer, plus a replacement chip for the motor controller card. This kit works on SX2 mini mill and SC2 mini lathes. *NOTE* This board is wired for 230V connection and should only be ordered for use outside of the US and Canada. If you plan to use this in the US or Canada see item 4213.

4645   CNC Spindle Control Upgrade Kit for SX2.7, SX3, SC4

  • Converts brushless DC drive to CNC control
  • Provides speed, on/off, and direction control
  • For 750 and 1000 watt Brushless DC drive used on SX2.7, SX3, SC4
  • 120V 60Hz
This conversion kit consists of a small circuit board that replaces the circuit board with the speed control potentiometer, plus a replacement chip for the motor controller card. This kit works on SX2.7 SX3 milling machines as well as SC4 lathes.

4951   CNC Spindle Control Upgrade Kit for SX2.7, SX3, SC4 230V

  • Converts brushless DC drive to CNC control
  • Provides speed, on/off, and direction control
  • For 750 and 1000 watt Brushless DC drive used on SX2.7, SX3, SC4
  • 230V 50Hz
This conversion kit consists of a small circuit board that replaces the circuit board with the speed control potentiometer, plus a replacement chip for the motor controller card. This kit works on SX2.7, SX3 milling machines as well as SC4 lathes. *NOTE* This board is wired for 230V connection and should only be ordered for use outside of the US and Canada. If you plan to use this in the US or Canada see item 4645.

4505   Control Box Assembly, 7x14 Mini Lathe

  • For 7x14 Mini Lathe
  • 120V 60Hz input
This control box kit includes the plastic control box, the motor controller, the emergency stop switch, the F/O/R switch, the potentiometer, the fuse holder and fuse. This is a fully-assembled control box. Simply hook up the power and motor leads and go. For 120V 7x14 C3 mini lathes.

3042   Control Box Assembly, Mini Lathe

  • For 7x10 and 7x12 Mini Lathe
  • Incorporates XMT-1125 controller
  • 120V 60Hz input
This control box kit includes the plastic control box, the motor controller, the emergency stop switch, the F/O/R switch, the potentiometer, the fuse holder and fuse. This is a fully-assembled control box. Simply hook up the power and motor leads and go. Use this box to replace FC250/110V, and FC250BJ/110V, FC250J/110V boards. For 120V 7x10 and 7x12 C2 mini lathes

3200   Control Box Kit, Mini Lathe 230V

  • For 7x10 and 7x12 Mini Lathe
  • 220-240V 50-60Hz
This control box kit includes the plastic control box, the motor controller, the emergency stop switch, the F/O/R switch, the potentiometer, the fuse holder and fuse. This is not a fully-assembled control box. You have to assemble and wire it.

4450   Extended Cross Slide Travel Kit
This kit adds one inch to the travel of the cross slide on 7x10 and 7x12 mini lathes. These are SIEG C2 and C3 lathes. The increased travel is away from the centerline of the lathe so you can work on larger diameter work pieces. This kit replaces the saddle and the cross slide feed screw, and it includes a spacer for the longer screw.

5366   Extended Cross Slide Travel Kit 20 TPI

  • Specific Screw for Micro-Mark brand lathes
  • Also works on any SIEG mini lathe that has been converted to 20 TPI screws
This kit adds one inch to the travel of the cross slide on 7x12, 7x14, and 7x16 Micro-Mark mini lathes and other mini lathes with 20 TPI feed screws. The increased travel is away from the centerline of the lathe so you can work on larger diameter work pieces. This kit replaces the saddle and the cross slide feed screw, and it includes a spacer for the longer screw.

5367   Extended Cross Slide Travel Kit DRO

  • Specific Screw for our 4200 and 5200 HiTorque lathes
  • Also works on any SIEG mini lathe that has the 2222 DRO kit installed
This kit adds one inch to the travel of the cross slide on 7x10, 7x12, 7x14, and 7x16 mini lathes with the SIEG DRO mounted. These are SIEG C2 and C3 lathes. The increased travel is away from the centerline of the lathe so you can work on larger diameter work pieces. This kit replaces the saddle and the cross slide feed screw, and it includes a spacer for the longer screw.

2383   Feed Screw Parts, 20 TPI, Mini Lathe
These parts change Grizzly, Harbor Freight, Homier, and Cummins mini lathes to 20 thread per inch feed screws on the cross slide and compound rest. Each rotation of the hand wheel will advance 0.050".

3843   Gibs, Brass for Mini Lathe

  • Brass gib for cross slide
  • Brass gib for compound rest
These gibs are items 94 and 107 on your parts diagram. Fits all 7x10, 7x12, 7x14, and 7x16 mini lathes.

3446   Metal Gear Kit, Mini Lathe Complete

  • Changes every plastic gear on the mini lathe to metal
  • Metal change gear set
  • Metal 2-speed transmission gears
  • Metal lead screw drive gears
  • Metal 80-tooth gears
This kit changes every plastic gear on a mini lathe to steel. You will never break a plastic gear again. *NOTE* Although our HiTorque lathe is listed in the compatibility tab, only the change gears are compatible.

3448   Metal Transmission Gear Kit, Mini Lathe & 3MT Mini Mill

  • Replaces both plastic transmission gears with metal
  • Fits mini lathes and 3MT mini mills
Once this kit of steel gears is installed on your mini lathe or mini mill, you will no longer have to worry about breaking the hard-to-replace gears inside the headstock. On the mini lathe, the belt drive ensures that expensive parts don't break from overloads. On the mini mill, the easy-to-replace intermediate gear on top of the headstock is still plastic. This helps to ensure that you don't break expensive and hard to replace parts.

1691   Metric Threading Kit 10"
Metric threading kit for 7x10 mini lathes. This kit replaces the lead screw and half nuts so you can more easily cut metric threads. You cannot use a threading dial with this kit installed. There is no metric threading dial.

1690   Metric Threading Kit 12"
Metric threading kit for 7x12 mini lathes. This kit replaces the lead screw and half nuts so you can more easily cut metric threads. You cannot use a threading dial with this kit installed. There is no metric threading dial.

2026   Metric Threading Kit 14"
Metric threading kit for 7x14 mini lathes. This kit replaces the lead screw and half nuts so you can more easily cut metric threads. You cannot use a threading dial with this kit installed. There is no metric threading dial.

4877   Metric Threading Kit 16"
Metric threading kit for 7x16 (Micro-Mark 84631 or extended HiTorque 4100/4200) mini lathes. This kit replaces the lead screw and half nuts so you can more easily cut metric threads. You cannot use a threading dial with this kit installed. There is no metric threading dial.

2592   Power Switch Upgrade Kit

  • Heavy duty Cherry brand switch
  • Five times the rated life of the standard switch
  • Switch rated at 16 A at 120/250 VAC
  • No soldering required to install
This is an upgrade kit for the illuminated power switch on Harbor Freight mini lathes. The kit contains an upgraded switch, two crimp terminals, and a multi-stack quick disconnect. You have to un-solder the old switch, but the crimp terminals eliminate soldering during installation.

2018   Tailstock Cam Lock Kit
This kit converts a standard mini lathe tailstock to lock by lever action. This camlock action locks the tailstock to the ways by moving a lever about 45 degrees. You must drill one 1/2" hole in the back of the tailstock casting. The cam lock kit is made from heat treated 4140 steel for long life.

5201   Telescoping Lead Screw Cover, 7x10, 7x12

  • All metal construction
  • Works with threading dial
These are telescoping metal covers for the lead screw of your mini lathe. Mounting requires that you drill and tap several holes in your lathe. The installation tools hold the lead screw covers in place as you mark the hole locations.

5202   Telescoping Lead Screw Cover, 7x14, 7x16

  • All metal construction
  • Works with threading dial
These are telescoping metal covers for the lead screw of your mini lathe. Mounting requires that you drill and tap several holes in your lathe. The installation tools hold the mounting brackets in place as you mark the hole locations.

5009   Threading Helper Kit

  • Replaces a DRO unit for threading
  • Changeover takes about two minutes
These parts alow you to place the compound at 29.5 degrees for threading when you have a DRO installed on your mini lathe. The dial works just as well as the DRO for this application because you are always returning to the same reading, usually zero, for each threading pass.

3940   Tweaks & Enhancements Kit, HiTorque Mini Lathe

  • Several small items to make your HiTorque lathe work better and last longer
  • Easier gib and saddle retainer adjustment
  • Quicker gear cover removal
The HiTorque Mini Lathe Tweaks & Enhancements Kitâ„¢ can make a big difference in the operation of your mini lathe. The kit includes the following: Hardened lathe chuck mounting nuts for long life. Self locking set screws for the cross slide and compound rest gibs Self locking cap screws for the carriage retainers Thumbscrews for the change gear cover. Complete instructions.

2634   Tweaks & Enhancements Kit, Mini Lathe

  • Several small items to make your lathe work better and last longer
  • Easier gib and saddle retainer adjustment
  • Fewer busted knuckles
  • Quicker gear cover removal
  • Fewer tailstock clamp jams
The Mini Lathe Tweaks & Enhancements Kitâ„¢ can make a big difference in the operation of your mini lathe. The kit includes the following: -Hardened lathe chuck mounting nuts for long life. -Self locking set screws for the cross slide and compound rest gibs -Self locking cap screws for the carriage retainers -Button-head cap screws for the cross slide and compound rest crank handles. -Thumbscrews for the change gear cover. -A spring for the tailstock clamp. -A rubber boot to protect the F/O/R switch on 7x10 and 7x12 mini lathes. -A rubber guard to prevent chips from getting into the motor speed control enclosure. -Complete instructions
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