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20mm Store
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Ordering Code: 20-1

Name : 20mm Mini Block (70mm cube)
Manufacturer : System 3R
Part number : 3R-321.46
Condition :  USED
Description : Hydraulics serviced by Sunspot. Guaranteed for 1 year. Photo is of a typical Block.

Price: $875 This block is excellent plus condition, very minor wear (.0001”). Hydraulics serviced, 4 pins set (double check using your set up bar since the bars vary slightly). Only one available in this condition.


Price: $775 This block is excellent condition, minor wear (.0002”). Hydraulics serviced, 4 pins set (double check using your set up bar since the bars can vary slightly). Only one available in this condition.


Price: $625 We have a number of blocks with more wear on the bore at typically .0005”. Actually, even with wear of .0005” or more, the tool will perform very well. Contact us for other options.

(see our “Discount schedule”)

Ordering Code: 20-3
Thumb for 20-3.jpg (40 KB)

Name : Manual Chuck, 20mm
Manufacturer : System 3R
Part number : 3R-321-5
Condition :  USED
Description : Fits 100mm magnetic chuck or can be mounted to sub-plate. Very good condition and serviced by Sunspot.

Price : $845 (excellent plus with little bore wear). A few marks on the top which does not effect performance.

Price : $650 (excellent with some bore wear, .0003”, but very serviceable).

(see our “Discount schedule”)

Ordering Code: 20-4

Name : Block, indexing
Manufacturer : System 3R
Part number : 3R-321-4
Condition :  USED
Description : Set the angle you wish for milling and grinding electrodes. Stock image, image of actual tool soon.
Serviced by Sunspot. 1 year warranty

Price :
$1125
Spring Sale! now $875

(see our “Discount schedule”)

Ordering Code: 20-5

Name : Machine SuperChuck
Manufacturer : Sunspot Tooling Systems
Part number : 200-20-02
Condition :  NEW
 &  USED 
Description : Includes flushing kit and EasyKnob. Fits 100mm magnetic chuck.

Price : $1675 (new)

Price : $675 (used)

(see our “Discount schedule”)

Ordering Code: 20-6

Name : Hydraulic Oil for Mini blocks and chucks
Manufacturer : Mobil
Part number : SHC 630
Condition :  NEW
Description : 7 oz bottle for the hydraulic locking mechanism.

Price : $22

(see our “Discount schedule”)

Ordering Code: 20-7

Name : 90 degree chuck
Manufacturer : System 3R
Part number : Unknown
Condition :
  USED  near   NEW  condition
Description : Fits 100mm diameter magnetic chuck

Price :
$565 Spring Sale! now $425

(see our “Discount schedule”)

Ordering Code: 20-8
Thumb for 20-8.jpg

Name : Stainless SuperBlock
Manufacturer : Sunspot Tooling Systems
Condition :  NEW

Price: $1775
 

(see our “Discount schedule”)

Ordering Code: 20-9

Name : 3R Mini Block quick release
Manufacturer : Sunspot Tooling Systems
Part number :  20-QR-01
Condition :  NEW
Description : Save time. Flip the lever to lock or release your holders.
You will maintain your existing hydraulics

Price : 
$175
Spring Sale! now $125 (mini block not included) 

(see our “Discount schedule”)

Ordering Code: 20-10

Name : 3mm hex wrench
Manufacturer : Sunspot Tooling Systems
Condition :  NEW  
Description : smooth handle and easy to handle

Price : $1.00 each, 6 for $5

(see our “Discount schedule”)

Ordering Code: 20-11

Name : Rotating Spindle
Manufacturer : System 3R
Part number : 3R-1.6S, 3R-27.2 and others
Condition :
 USED  

Price : Please call for details

(see our “Discount schedule”)

Ordering Code: 20-12

Name : Manual Chuck, 20mm
Manufacturer : System 3R
Part number : 3R-321.2- 4x90
Condition :   USED  , near new condition
Description : Excellent for lathe operations. 4 lower side set screws helps you tram to find the center. One eccentric stop provided as shown. More are available at a cost if required. Hydraulics checked or repaired to be perfect and like new. 1 year warranty.

Price : $195 (we have a few of these near perfect chucks)

(see our “Discount schedule”)

Ordering Code: 20-12-5C

Name : Manual Chuck, 20mm - 5C
Manufacturer : System 3R
Part number : 3R-321.2- 4x90
Condition :   USED  , near new condition
Description : Excellent for lathe operations. 4 lower side set screws allows you to tram the chuck to run on center. Hydraulics are perfect and warranted for 12 months.

Price :
$725 Spring Sale! now $575

(see our “Discount schedule”)

Ordering Code: 20-13

Name : 20mm to erowa ITS adapter
Manufacturer : Sunspot Tooling Systems
Condition :   NEW 
Description : Handle for locking Erowa ITS holders is included. Internal flushing is provided. Concentricity is not guaranteed but the tool is square, 20mm to the Q-chuck.

Price : $1175

(see our “Discount schedule”)

Ordering Code: 20-14

Name : Repairs of 20mm Mini Blocks and Chucks
Manufacturer : Sunspot Tooling Systems
Description : We have manufactured and sold repair kits for a number of year but due to the fact that System 3R’s internal parts vary to such an extent, our parts did not fit all block. We are now making it simple and repairing the hydraulics for a low cost.

Price : $150 Ship your tool to us, we will repair and pay for shipping back to you (within the continental USA). Usually a 3 day turn around. If we can’t fix it, we will not bill you a dime. Grinding is needed is an additional charge.

(see our “Discount schedule”)

Ordering Code: 20-14MA

Name : Hydraulic Repair kit
Manufacturer : Sunspot Tooling Systems
Condition :  NEW
Description : For System 3r Macro to 20mm Adaptor only.

Price$39 ( Also see 20-14 )

(see our “Discount schedule”)

Ordering Code: 20-15

Name : Motor for various spindles
Manufacturer : German
Condition :   USED   but like
  NEW   
Description : 28mm diameter, 42mm long, 3mm output shaft. DC motor for variable drive spindles.

Price : $245

(see our “Discount schedule”)

Ordering Code: 20-16

Name : 20mm Holders
Manufacturer: Sunspot Tooling Systems
Condition :
 NEW  

Price : starting at $17.10 (click below for details)

Click here for other 20mm holders options

Ordering Code: 20-16G

Name : Drive Gear
Manufacturer : Sunspot Generic
Condition :   NEW   
Description : Fits many System 3R rotating spindles. 6mm bore with 2 set screws. Gear OD is 17.6mm, overall height is 17.6. Replace your worn drive gear.

Price : $45

(see our “Discount schedule”)

Ordering Code: 20-17

Name : 20mm Holders, Bored to .500” dia (.600” deep)
Manufacturer : System 3R
Condition :  NEW  
System 3R’s part number: 3R-322/50E (the blank before machining the bore). 2 - M4 x 6mm side set screws are included.

Price : $33
 each (buy the quantity you need)

25 are available. The lot of 25 while available: $740
 

Click here for other 20mm holders options

Ordering Code: 20-17-7

Name : 20mm Holders, solid nose
Manufacturer : System 3R
Condition :  NEW  
System 3R’s part number: 3R-322/50

Price : $38 each (buy the quantity you need)

Only 3 are available. The lot of 3 while available: $105

Click here for other 20mm holders options

Ordering Code: 20-18

Name : 20mm Flanged Holder
Manufacturer : Sunspot Tooling Systems
Condition :  NEW
Description : 2” diameter soft flange, 39mm from under the cross pin to the top of the flange. These holders do not have the ATC feature. Center is soft so you can drill a flush hole if you wish.

Price : $38
each  NEW  Sunspot mfg’d

Price : $38
each  NEW  System 3R, 4 available

See 20-16 for all of our 20mm holders

(see our “Discount schedule”)

Ordering Code: 20-20

Name : 20mm Expanding Arbor
Manufacturer : System 3R
Condition :   USED
Description : Drill a .375” hole in your graphite, tighten the 3mm screw which locks the brass units. Insert into a counter-bored 20mm holder and tighten the side locking screws. The 20mm holder or the 3mm hex wrench is not included.

Price : $10 Spring Sale! now $6 each or sold in lots of 10 pieces for $85 Spring Sale! now $65 a lot

(see our “Discount schedule”)

Ordering Code: 20-21

Name : ER-16 or ER-20 Collet Chuck
Manufacturer : Sunspot Tooling Systems
Part number : 200-20-16 or 200-20-20
Condition :  NEW
Description : 12 Seals and wrenches included
2 versions are available: ER-16 and ER-20

Price with carbide cross pin : $428
Price without cross pin :
$310

(see our “Discount schedule”)

Ordering Code: 20-23

Name : 20mm Master gage pin
Manufacturer :
Sunspot Tooling Systems
Part number : 
600-20-01
Condition :  NEW
Description : .7871" Diameter which matches 20mm holders

Price :
$99
Spring Sale! now $82

(see our “Discount schedule”)

Ordering Code: 20-24

Name : 20mm Indicating Spindle
Manufacturer : System 3R
Part number : 3R-3.321-2
Condition :
  USED   excellent
Description : Indicating tool for finding the work piece’s location. Hardware not included but can be bought easily on ebay (Bridgeport indicating arms).

Price : $345

(see our “Discount schedule”)

Ordering Code: 20-25

Name : Manual Chuck Adapter
Manufacturer : System 3R
Part number: 3R-603
Condition : USED excellent plus, plus
Description : Serviced by Sunspot and guaranteed for 1 year. Nice quick release. 70mm x 70mm

Customer to set the eccentric stop.

Price : $525 Spring Sale! now $375

(see our “Discount schedule”)

Ordering Code: 20-27

Name : Adapter, Macro to Erowa ITS 50 System
Manufacturer : System 3R
Part number: 3R-SP19B24
Condition : excellent plus USED
Description : Screw included

Price : $445 Spring Sale! now $325 each

(see our “Discount schedule”)

Ordering Code: 20-29

Name : 20mm Storage Rack
Manufacturer : Sunspot Tooling Systems
Condition :  NEW
Description : Holds 35 steel holders (not included)

Price : $3.75 each.

Special sale: $29 for 10 pieces including shipping (cont. USA)

(see our “Discount schedule”)

Ordering Code: 20-31

Name : Eccentric Pin for Machine Chuck or Mini Block
Manufacturer : Sunspot Tooling Systems
Part number : Fits System 3R Mini Blocks
Condition :  NEW
Description : Eccentric pin, cushion and screw included. 6mm diameter goes into the block.

Price : $38
 

(see our “Discount schedule”)

Ordering Code: 20-32

Name : 100mm angle plate
Manufacturer : System 3R
Condition :
 NEW  
Description : 100mm base (with 3 clamping posts)

Price :
  NEW  $315 (with 3 clamping posts)
Price :  USED  $275

(see our “Discount schedule”)

Ordering Code: 20-38

Name: Magnetic Chucks and controllers
Manufacturer : System 3R
Condition :
  USED , fine condition
Description : We have many variations, click on the image to see some of them. Contact use for Price and details.

Price : $200 - $900

(see our “Discount schedule”)

Ordering Code: 20-42

Name : Control Ruler
Manufacturer : System 3R
Part number : 3R-314.2
Condition :
 USED  
Description : For setting eccentric pins. Tested for accuracy.

Price : $195
 

Ordering Code: 20-52

Name : Controllers
Manufacturer : System 3R
Condition :   USED
Description : We have many controllers, click image to see some of them.

Price: Contact Sunspot for details

Ordering Code: 20-62

Name : 20mm Hydraulic nut tool
Manufacturer : System 3R
Condition :  USED

Price : $85

Ordering Code: 20-75

Name : 20mm Holder
Manufacturer : Generic
Condition :  NEW  
Description : 100mm long 20mm holder

SOLD

Ordering Code: 20-80

Name : Collet Chuck (for the Mini sysem)
Manufacturer : System 3R
Condition :   USED  
Description : We have 3 System 3r ER20 chucks. The advantage of this design is that the tool is completely open so large and long electrodes or copper tubes can be held.
These tools may look odd since they do not have a cross pin but they are actually better.

Price : $135 each for the holder alone.

Price : $35 for seal kits

Price : $15 for the open end wrench which is used for the main nut

Price : $65 for the wrench that is closed end type (only one available)

Price : $475 for everything in the picture (3 chucks, 1-wrench, one spring, 3 open end wrenches for the main nut and 3 seal kits

(see our “Discount schedule”)

Ordering Code: 20-100

Name : Manual Chuck Adapter
Manufacturer : System 3R
Part number : 3R-653
Condition : USED
Description: Serviced (hydraulics) by Sunspot and guaranteed for 1 year. Picture shows the type of tool, not the actual tool being sold

Price each: $375 - $625, depending on condition

Ordering Code: 20-101

Name : Manual Chuck Adapter
Manufacturer : System 3R
Part number : 3R-653-S
Condition : USED
Description: Serviced (hydraulics) by Sunspot and guaranteed for 1 year. Picture is of the tool that is for sale. This tool has considerable wear in the bore but is still usable for many jobs. The low price is a reflection of this wear.

Price: $155

Ordering Code: 20-110

Name : 20mm gang fixture
Manufacturer : Custom made
Part number: 20-110
Condition : USED. Machine 6 electrode at a time. Stop pins are not adjustable. Holders are locked into position via side set screws.
30 day warranty: Return for any reason if not happy for a full refund.

Price : $375
 

(see our “Discount schedule”)

Ordering Code: 20-111

Name : Mounting Bracket, 100mm
Manufacturer : System 3R
Condition :
 NEW  (Stainless Steel)
Description : Rotating spindle mounts to this base

Price :
$85  

(see our “Discount schedule”)

Ordering Code: 20-112

Name : Hydraulic Chuck, 20mm
Manufacturer : System 3R
Condition : USED

Price : $375 

(see our “Discount schedule”)

Ordering Code: 20-113

Name : Angle Plate
Manufacturer : Sunspot
Condition :  NEW
Description : Hardened but not ground

Price : $65
 

(see our “Discount schedule”)

Ordering Code: 20-114

Name : 100mm plate
Manufacturer :
Sunspot Tooling Systems
Condition :  NEW  
Description : Fits 100mm 3R magnetic chuck. It has 4 clearance holes for M6 SHCS. Hardened

Price : $35  each (4 are available)

Ordering Code: 20-120

Name : 20mm to Macro Jr Chuck
Manufacturer : System 3R part number: 3R-443
Condition :
USED, near  NEW   
Description : Run Jr. holders with your 20mm chuck.

Price :
$1125 Spring Sale! now $875

Ordering Code: 20-130

Name : 8 station 20mm tool changer
Manufacturer : System 3R
Part number : Unknown
Condition :
USED
Description : Unknown and sold as is. Misc. bolts are included

Price : $250

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