Sunspot 20mm Holders

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ATC Flat (request if needed)

Necessary for Automatic Tool Changer. Most holders can be ordered with this option. One retaining ring (#900-20-03) is included and installed. The O-ring slot has been eliminated on all 20mm holders. Some images may show the O-ring slot.

$2.00

 

 

50-20-01 Electrode Holder - Solid Nose

20mm diameter, 5mm cross pin, 50mm from cross pin to end of holder, soft machinable nose, 8mm flush hole in rear. Retaining ring and case hardened main body are basic features found on most Sunspot holders. Packed 35 per case..

For ATC flat and retaining ring add $2.00 per holder.

$17.10

 

 

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50-20-02 Electrode Holder - Flush Hole

20mm diameter, 5mm cross pin, 50mm from under the cross pin to the end of the holder, soft nose aids machining, 8mm flush hole in rear, .166” diameter hole at nose of holder.

For ATC flat and retaining ring add $1.00 per holder.

$17.75 each

 

 

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50-20-03 Electrode Holder - Threaded Stud

Supplied with flush through threaded stud which protrudes 8mm from end of holder.

50-20-03 has 1/4-20 stud

For ATC flat and retaining ring add $1.00 per holder

$18.50 each

 

 

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50-CB-250 Electrode Holder - Bored  (discontinued)
50-CB-376
50-CB-501


Drilled 25mm deep and reamed 20mm deep 5mm clearance is for minimizing drill breakage when drilling flush holes. Reamed diameters available: .250”, .376” and .501”. Last portion of part number will be the bore diameter.

For ATC flat and retaining ring add $1.00 per holder

$22.50 each

 

 

39-20-09 Electrode Holder - Flanged

Has soft steel flange. Drill mounting holes as needed. Has .125” dia. Flush hole on center. 39mm from under cross pin to face of flange. Packed 12 per case.

Flange diameter: 50mm (1.97”)
Thickness: 12mm (.47”)

$41.00 each

 

 

46-20-09 Electrode Holders - Flanged

Has soft steel flange. Has .125” dia. Flush hole. This holder is required for some Automatic Tool Changers in which a retaining ring must be used. 46mm from under the cross pin to face of flange. Packed 12 per case.

Flange diameter: 50mm (1.97”)
Thickness: 12mm (.47”)

For ATC flat and retaining ring add $1.00 per holder

$41.00 each

 

 

50-20-15 Electrode Holder - Mount Sheet Graphite

For burning Ribs etc. Comes with two steel shims (.062” & .094”). Centers 1/4”, 1/8” and 1/16” sheet graphite. Packed 35 per case.

For ATC flat and retaining ring add $1.00 per holder

$22.00 each

 

 

50-20-100 Electrode Holder - Cross Bar (ATC)

Has 1/2"x 1” x 4” soft steel bar welded in place. Bolt or glue long electrodes to bar. Packed 10 per case.

This particular holder only comes with the ATC flat and retaining ring.

$43.00 each

 

50-20-102 Electrode Holder - Cross Bar (ATC)

Has 1/2"x 2” x 4” soft steel bar welded in place. Bolt or glue long electrodes to bar. Packed 6 per case.

This particular holder only comes with the ATC flat and retaining ring.

$44.00 each

 

200-20-20 Collet Shank ER-20

Accepts optional ER-20 collets .5mm to 13mm (.02” to .512”).

Flush through electrode. Neoprene seals and two wrenches are included. Hardened tool steel. Carbide cross pin

$428.00

 

 

200-20-20NCP Collet Shank ER-20 – No Cross Pin

Low cost collet shank for use when indexing is not required. Since there is no cross pin, longer tubing or electrode blanks can be used and manually fed forward as wear occurs. Neoprene seals and two wrenches are included.

Non ATC.

$310.00

 

 

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200-20-20CS – Collet Set ER-20

Quality Import, 10 piece set with tray

$185.00

200-20-16 Collet Shank ER-16

Accepts optional ER-16 collets .5mm to 10mm. Flush through electrode. Neoprene seals and two wrenches are included. Hardened tool steel.

Has ATC flat and retaining ring.

$428.00

 

 

200-20-16NCP Collet Shank ER-16 - No Cross Pin

Low cost collet shank for use when indexing is not required. Since there is no cross pin, longer tubing or electrode blanks can be used and manually fed forward as wear occurs. Neoprene seals and two wrenches are included.

Non ATC

$310.00

 

 

200-20-16CS Collet Set ER-16

Quality Import, 10 piece set with tray

$185.00

ER-16 or ER-20.

A set of Neoprene Seals (Collet Shank has one set included)

Range - .5 mm to 10 mm for the ER-16 (.512” to .394”)
Range - .5mm to 13mm for the ER-20(.02” to .512”)

$35.00


 

300-20-025 Lathe Flange

100mm diameter flange with 5C end and thread. Has balancing flat and accepts our 20mm SuperChuck for lathe and whirly gig (spin fixture) applications.

$180.00

 

 

200-20-06 SuperTru

Grind 20mm electrodes using a DedTru or other centerless grinding attachment on surface grinders. The accuracy, ease of use and versatility is unmatched. Set up in minutes for grinding complex shapes with superior concentricity.

$575 New Price: $200 net

900-20-02 O-Ring

For 20mm holders. Specify Viton or Buna-N.

Viton is more wear resistant.

Buna-N..$.40

Viton..$.60

900-20-03 Retaining Ring

Required for automatic tool changer applications and are included with holder purchased as ATC

$.35

 

 

800-00-1/4-20 Steel

Threaded and hollow. Has hex shaped hole for 3mm wrench.

16mm long.

SOLD OUT

 

 

900-00-01 Dowel Pin, Soft Steel

5mm diameter x 16mm with 2.75mm flush through hole. Can be used with holders 50-20-02 and 25-20-02 when mounting graphite or copper in place for better location, conductivity and rigidity. Holders must be reamed to 5 mm to use this dowel pin.

$.45