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Precision Resistance Spot Welders

E. McGrath Inc, 35 Osborne St, Salem MA  01970


Click on underlined item numbers on the left for pictures.



WE2101 Unitek Miyachi 125DP resistance spot welder with 80F head, CP pedal on 30 x 30" bench, 120 volts  $5,300
WE2102 Unitek Miyachi 250 (analog) resistance spot welder with 80F head, CP pedal, on 30 x 30" bench, 120 volts, $4,950
WE2103 Unitek Miyachi 250 (analog) with 88F series double head and MSP foot pedal, mounted on a 30 x 30" bench. Has adjustable depth fixture. Ideal for battery tabbing operation. 120 volts $6,300
WE2104 Unitek Miyachi 250DP supply with 88F series double head and MSP foot pedal, mounted on a 30 x 30" bench. Has adjustable depth fixture. Ideal for battery tabbing operation. 120 volts PIX2  $7,950
WE2105 Unitek Miyachi 125DP supply with 88F series double head and MSP foot pedal, mounted on a 30 x 30" bench.   Ideal for battery tabbing operation. 120 volts (deduct $300 if the bench is not desired) $7,125
  Please see the other resistance spot welding systems made by Seiwa at the bottom of this page  
WE2600 Unitek Miyachi electrode force gauges:  FG50, 50 pounds, FG15, 15pounds, FG20, 20 pounds,  FG200, 200 pounds $475
WE2601 Unitek Peco MG3 Digital Process Sentry,115-230 50/60 Hz PIX2  $4,425
WE2605 Unitek MSP medium force swing pedal, use with series 80 or 37/38 heads $325
WE2606 10-1003-02 light foot pedal for miniature 32 series head. $65
WE2607 Unitek Miyachi CP cable pedal, used $395
WE2607A Unitek Miyachi CP cable pedal New Surplus $595
WE2608 Unitek Miyachi X5/115/230 AC transformer, 9-109-01 with 3 pin Amphenol screw connector $1,225
WE2611 Unitek Miyachi Unibond II transformer $825
WE2612 Unitek X1-115 Unipulse transformer, 9-001-01, 15 pin connector $275
WE2613 Unitek Miyachi X2/230 transformer, 9-006-03 with blue metric power input connector. PIX2  $750
WE2613A Unitek Miyachi X2/230 transformer, 9006-01 with 3 pin Amphenol screw connector PIX2 $750
WE2614 1-141-01, 5 kva AC welding supply $1,150
WE2616 Unitek 7500A AC welding supply with integral transformer. 230/1 $2,100
  Unitek Miyachi Welding Handpieces  
WE2617 Unitek Miyachi THP tweezers hand piece, 4 feet long, ring terminals or 1/4" male $875
WE2617B Unitek Miyachi HFT 5-019 heavy duty handpiece 500 watt seconds, 1 to 25 pounds force. 4 foot cables sold
WE2617C Unitek HP2 series hand piece, 500 watt seconds, 7.5 KVA missing electrode holders. PIX2 PIX3  $495
WE2617F Unitek PHP single handpiece, 4' cable, ring tongue, & pencil ground cable. sold
WE2617FL Unitek PHP single handpiece with 25' cables, 2 AWG  ring tongue terminals $925
WE2617G Unitek HFP high force probe handpiece 500 wt-sec, 3 to 25 pound force. sold
WE2617K Unitek HDP 5-015-01 heavy duty probe handpiece 500 wt-sec 1 to 25 # force.  $825
WE2617H Unitek FS foot switch, 2 pin connector $95
WE2617L Unitek 5-013-01 probe hand piece with manual trigger, 1/4" male $495
WE2617M Unitek HP3000 light duty probe hand piece, 100 wt-sec with manual trigger $475
WE2617N Unitek MTH light force tweezers with FS foot switch, $625
WE2617P Unitek HP-II parallel handpiece, useful for battery tabbing PIX2   $1,075
WE2617Q Miyachi Unitek EP0820 13-020-08-20, moly tipped 1/4" electrode pairs, fits GHP and HDP handpieces. New Surplus $90
WE2619 Unitek Peco model 72 dual weld head controller 2-240-02 $2,475
WE2620 Unitek Miyachi DFS allows the use of two weld heads $130
WE2621 Unitek 1040 precision butt welding head, 4 ozs to 10 #, 100 watt seconds. $1,125
WE2622 Unitek 127F parallel gap head, takes 1/8" square tips $1,150
WE2626 Unitek 2-037 weld head,  500 wt-sec, 50# force, 1/4" female PIX2   $1,350
WE2626A Unitek 2-037-01 weld head,   500 wt-sec, 50# force, 1/4" female connections. PIX2 $1,275
WE2627 Unitek 38A series parallel head, 2-138-07, useful for battery tabbing. Air operated, 115 volt solenoid. 50# force. Buss bar connections.   $2,050
WE2628 Unitek 38F series parallel head, 2-038-04. 50# force. ring connections PIX2  $1,625
WE2629 Unitek 125, 1-163-03, 125 wt-sec welding power supply, buss bar output connections  115/230 volts, now wired for 115. $1,850
WE2629B Unitek 125, 1-163-01, 125 wt-sec welding power supply, 1/4" female output connections  115/230 volts, now wired for 115. $1,750
WE2629C Unitek Miyachi Amada 125DP, 1-199-03 125 wt-sec dual pulse welding power supply, 115/230 volts, now wired for 115 volts. CE rated PIX2 PIX3 PIX4 4 years old, as-new condition $4,300
WE2629A Unitek Miyachi 125DP, 1-199-03 125 wt-sec dual pulse welding power supply, 115/230 volts, now wired for 115 volts. CE Rated  More_Info $3,300
WE2630A Unitek reflow soldering/welding system: Unitek PMIV, Unitek light force 46F Thinline head with cable foot pedal, Bausch & Lomb Stereozoom 4 microscope with 10X eyepieces and .5X supplemental lens for 7 focal distance,  PIX2 PIX3 PIX4 PIX5 $4,950
WE2631 Unitek 60, 1-164-01 60 watt second capacitor discharge power supply, analog. 115/230; now wired for 115 volts. 1/4" female connection $1,350
WE2632 Unitek 1-162, 60 watt second analog supply, 1/4" female output. 115v $775
WE2634 Miyachi Technos MD-1000E linear transistor supply, 200 to 1000 amps, constant power,  one pulse, with up & down slope. Current or voltage feedback. .5 to 4.99 ms. Output monitor. 120 volts. $3,150
WE2648 Unitek Miyachi 500HV 1-252-03 500 watt second supply, dual pulse, with external pulse transformer (78#). Higher output voltage than 500DP: 14.6 to 19 volt into a .004 ohm load PIX2 PIX3 sold
WE2649 Unitek 500; 1-188-01 500 watt second supply with external pulse transformer. 115 volt input. File Photo. $4,750
WE2650 Unitek 500; 1-188-03 500 watt second welding supply. External pulse transformer not included (7 pin Amp connector) Untested. $500
WE2651 Unitek 101 miniature welding head with 90 fixture for horizontal welding and CP foot pedal.  $1,050
WE2654 Unitek 2-101-01 miniature welding head, 100 watt-second maximum $825
WE2655 Unitek 2-032-03 miniature welding head, 100 watt-second 8oz to 15# PIX2 $825
WE2656 Unitek 1032B miniature welding head. 100 watt-second maximum $625
WE2656A Unitek 1032B miniature welding head, without lower electrode assembly $525
WE2659 Unitek 250 welding system: 250 analog supply 1-180-01, 37F head with MSP foot pedal on bench with casters. PIX2. $4,250
WE2660 Unitek Phasemaster IV PM4A, 1-230-04 with X2/115RF 2 kva transformer, with thermocouple input. Designed for solder reflow applications.  115 volts, 50/60 hz. Control 24#, transformer 25# $3,250
WE2661 Unitek Miyachi Phasemaster 6, PM6, 1-237-03 AC microprocessor AC controller with X8/230 9-002-02 transformer, 230/60/50/1 $3,650
WE2662 Unitek Miyachi Phasemaster 6 with X2/230 volt transformer, 80A head and foot switch. 230 volt input. Available with 80F head and CP $4,950
WE2663 Unitek Miyachi X2/115RF Unipulse transformer 9-020-01, 1 to 3.8 volts out in 4 steps.  24# PIX2 $625
WE2664 Unitek Miyachi 16 KVA welding system Phasemaster PM7/230, 1-239-06 with X16/230 9-004-02 transformer and Unitek 84A/24 Thinline air operated welding head. 40# force, 1/4" electrodes Transformer weight, 94# $6,250
WE2664A Unitek Miyachi 16 KVA welding system Phasemaster PM7/230, 1-239-06 with X16/230 9-004-02 transformer and Unitek 82AS/ EZ air Thinline air operated welding head. 40# force, 1/4" electrodes Transformer weight, 94# $6,950
WE2665 Unitek Miyachi 16 KVA welding system Phasemaster PM7/460 , 1-240-06 with X16/460 9-007-02 transformer and Unitek 84A/24 Thinline air operated welding head.40# force, 1/4" electrodes Transformer weight, 94# $5,750
WE2667A Unitek WS Weld Sentry, 3-131-01.  115 volts  PIX2  $1,050
WE2667 Unitek Miyachi Weld Sentry board, fits 250DP and Phasemaster series 7 controls. RS232   $1,050
WE2668 Unitek Miyachi Dual Pulse 250DP welding supply,   6700 amp max output.   1-250-02, 120 volts. 50/60 hertz.  100 pound net weight.   (Add $950 for Weld Sentry option 250DPS 1-254-02 PIX2) $4,450
WE2668A Unitek 250, 1-180-02, 250 watt second welding supply, analog readout. Bus bar output connections 115 volts  $2,375
WE2668B Unitek 250 Dual pulse, 250 watt second welding supply, analog readout. Bus bar output connections 115 volts  $2,675
WE2669 Unitek Miyachi Thinline 88A/24 2-160-05-01 air operated series head, 1/4"  eccentric electrodes.  Ideal for battery tabbing. 20# force, 24v solenoid. 2 KVA/250 wt-sec rating.  18# net weight. $3,450
WE2669A Unitek Miyachi Thinline 88A/EZ   air operated series head,2-160-06  1/4" or 1/8 eccentric electrodes.  Ideal for battery tabbing. 20# force, 24v solenoid. 2 KVA/250 wt-sec rating. $4,100
WE2669B Unitek Miyachi Thinline 88F foot pedal operated series head, 2-161-04 1/4" or 1/8" eccentric electrodes with MSP foot pedal PIX2 $3,450
WE2670 Unitek Miyachi Thinline 80A air operated welding head.80A/24 or 120.    20# force, 1/8" electrodes,   5 KVA/250wt-sec $1,525
WE2670A Unitek Miyachi 80A/EZ air operated weld head with EZ Air 2-143-04-23. CE Rated. $2,750
WE2671 Unitek Miyachi Thinline 80F weld head, 2-142-04 20# 2 KVA/250wt-sec $1,425
WE2672 Unitek Miyachi 80 series weld head microscope stand, accepts B&L microscope, available at additional cost $695
WE2672A Unitek Miyachi 86F parallel gap weld head 2-146-03 manual, available with air, POR $1,975
WE2673 Unitek Miyachi 87A weld head, Thermode/Unitip fixture. Air operated 2-159-02  Specify 24 or 120 vac solenoid.  Add $850 for EZ Air option PIX2 $1,950
WE2674 Unitek Miyachi Thinline 82A weld head, 2-157-02, single electrode for automatic welding.6 to 40# maximum force  Air operated, 24 volt coil. $1,450
WE2675 Unitek Miyachi Thinline 180F 2-164-01 heavy duty welding head, manually operated.  5 to 100 pound force PIX2 PIX3 New Surplus.  Add $350 to convert to 180A $2,550
WE2675A Unitek Miyachi Thinline 180A/EZ  2-165-01-09  heavy duty welding head, air operated with EZ Air.  5 to 100 pound force PIX2 New Arrival $3,250
WE2675B Unitek Miyachi 2-151-01 90A heavy duty weld head, air op 7-150 #  force. $4,250
WE2675C Unitek Miyachi 90RA/24 2-151-02-02 reflow head, heavy duty. Accepts blade style thermode to 2.5 inches $4,750
WE2676 Unitek Miyachi Thinline 84A/24 medium duty weld head 2-207-01. 1/4" electrodes, 4 to 40# force, 24 volt air solenoid.  $1,550
WE2676A Unitek Miyachi Thinline 84A/EZ medium duty weld head 4 to 40# force and EZ air control. Specify 1/8 or 1/4" electrode holders. PIX2 $2,850
WE2676B Unitek Miyachi 84 weld head, 4 to 40# force, manual New Arrival $1,575
WE2677 Unitek Miyachi 400M weld head module. 4 to 16 # force. New Surplus. $1,375
WE2678 Unitek Miyachi 408SM dual weld head, with air op assembly. 24 vdc coils. $3,150
WE2678A Unitek Miyachi 71 precision servo motor  head 2-240-02 with control and foot pedal 1 to 8# (.25# with a spring change)  Specs  PIX2 PIX3 New Arrival $9,250
WE2678B Unitek Miyachi 72 precision servo motor  head parallel gap 2-241-02 with control  1 to 8# (.25# with a spring change)  Specs   New Arrival $11,250
WE2679 Unitek Peco 61F head, 2-233-01,  with CP pedal. 1000 amps. Manual actuation with overforce protection. 1-10# Accepts 1/8" round electrode.  $1,850
WE2679A Unitek Miyachi 302H/115V electromagnetic weld head with 302H/115 volt controller PIX2 PIX3 Video $7,250
WE2680 Unitek HF2/240 high frequency inverter welding system 1-264-03, with 80F manual head and CP pedal, Choice of transformer: Miyachi X11/4000; with 3000 amp output, 9 volts, 33:1 ratio. or Miyachi IT-511B 208/60/50/3 input. Other heads available upon request PIX2 PIX3 $8,250
WE2681 Miyachi MEA-100A AC welding controller, two pulse capability, with MT-510A transformer, 1 KVA, 1600 amps and current feedback toroid. Higher capacity transformers available. 200-220 volts, single phase. $3,950
WE2681A Optional transformers for above WE2681: MT-520A 3,700 amps, 3.5 KVA, $300 additional;    MT-530A, 6,600 Amps, 6 KVA, $600 additional.  
WE2682 Dengensha 58 KVA welding transformer, 200/60/1 input. 6.3 to 8.7 volt secondary. 159# water cooled. Several in stock PIX2 PIX3 $625
WE2683 Miyachi CY-210B-90 welding controller with integral rear mounted SCR and MT-520A transformer. 3.2 kva rated, 18.5 kva max. 208/60/1. 15 in stock $2,750
WE2684 Miyachi CY-210B welding controller with SC-90-2 SCR and MT-510A transformer,1.6 kva rated,5.6 kva max. 208/60/1. 7 in stock $2,250
WE2685 Miyachi IS-221A 1khz inverter welding controller with IT-512A transformer, 22 kva,  208/60/3,  With MA-201 programming pendant. One or two pulse capability. PIX2 More_Info $5,750
WE2686 Miyachi CY-210B digital AC welding controller with Dengensha WT3 CS6 transformer, 50 kva, and water cooled SCR. 200 x 6.3-8.7v, 60/1. $3,450
WE2687 Miyachi IP-217A programmable power supply with IT-511B transformer (new) 3,000 amps, 9 volts.  230/60/3 input.  $3,750
WE2688 Unitek Miyachi HF25A10/240 1-280-02-03 high frequency supply, dual pulse & feedback,  with 88EZ double head and FS2L two level foot switch; ideal for battery building. 208/230/3 input.PIX2 PIX3 PIX4 PIX5 PIX6 New Arrival $13,750
WE2690 Unitek Miyachi TCW thermocouple welder 17#  Requires argon gas. Now with #4 wire clamp jaw, 20-22 AWG  $2,125
WE2691 Unitek Miyachi HF25A10/240 1-280-02-03 high frequency welding supply, 100- 2400 amps. With RS232 & 422 interfaces.  Programmable for two successive pulses. 208/230/60/50 3 phase input. 62# PIX2 $8,125
WE2692 Unitek Miyachi HF25A10/240 1-315-01 high frequency welding supply, 100- 2400 amps. With RS232 & 422 interfaces.  Programmable for two successive pulses. 208/230/60/50 3 phase input. 47#  PIX2 PIX3 PIX4 $9,750
WE2693 Miyachi MT-25 transformer 15 KVA 200 x 2.6/4/5.3/8 volts. water cooled 132# PIX2 $925
WE2694 Unitek Miyachi 50F light force head with Unibond II UB2 linear power supply Takes Unitip parallel gap electrodes. With microscope and CP foot pedal. Video@youtube $6,250
WE2695 Unitek Miyachi 1-292-01-02, Uniflow2 4 KW pulsed thermode supply, 240/50/60/1.  $5,950
WE2697 Unitek Miyachi UB25 linear welding power supply with 50 light force head, opposed electrodes, CP cable, Nikon microscope, fiber optic ring illuminator & instruction Manual. 115 volts input  PIX2 PIX3   PIX4 Other electrode configurations available, with and without air including the following: PIX5 PIX6, price on request for modifications sold
WE2698 Unitek Miyachi 1-291-02 Uniflow UNFA2/120;  2 Kw,  pulsed thermode solder reflow supply.  CE rated. 120 volts PIX2 $3,950
WE2698A Unitek Miyachi 80 head with 1.75" thermode heater bar and air controls. PIX2 New Arrival $3,750
WE2699 Unitek 40F light force head (older version of 50F) 40 to 1000 grams, with CP pedal and B&L Scope. PIX2 $2,950

  New Hughes electrodes available from:  Advanced Integrated Technologies  
WE2700 Hughes MCW-550 supply, VTA-96 light force head, 1000 gram capacity Sold as a free standing supply and head for easy shipment by UPS. Cable foot pedal included but not shown.  PIX2  Info $4,450
WE2701 Hughes VTA-66 head, parallel gap with cable foot pedal. PIX2 More_Info $875
WE2701A Hughes VTA-66-12MV  head, parallel gap, 12" throat, cable pedal. PIX2  $975
WE2702 Hughes VTA-67 reflow head $500
WE2703 Hughes VTA-64 double head for battery tab welding $1,450
WE2704A Hughes MCW-550 supply with a new battery, tested $3,000
WE2704B Hughes MCW-550 supply, dead battery, untested, as-is $1,500
WE2705 Hughes microscope mount for B&L scope $275
WE2706 Hughes MA-07-09 Goal post mounting assembly PIX2 $525
WE2707 Hughes VTA-90 vertically opposed electrodes with pedal $1,050
WE2708 Hughes VTA-90 parallel gap electrodes with pedal (not shown) $1,050
WE2709 Hughes VTA-90 small parallel gap welding head, as-is.  Left hand electrode holder has one broken leaf spring. More_info $395
  More VTA-90 head in, inquire  
WE2710 Hughes HTT-550 Thermocouple controlled time at temperature supply. 100-590 degrees C. 0.1 to 5.9 seconds. 41# $550
WE2712 Hughes HTT-650 Solderite reflow solder power supply, newer version of above with idle temperature and air latch capability. $950
WE2714 Hughes HAC-1000 AC welding controller. 208/230/1 More_Info  PIX2 $1,450
WE2715 Hughes HTT-1000 solder reflow power supply. 120/1 PIX2 $1,450
WE2716 Hughes WD2551 1 KVA transformer from HAC-1. With tap switch and CamLok connectors.  115 volts. $425
WE2717 Hughes MicroJoin reflow head; HTTSLT1000A-115 with 3.5" thermode holder. PIX2 PIX3 PIX4 $1,250
WE2721 Hughes VTA-19 single probe hand piece, 5' cable. sold
WE2725 Hughes VTA-54 tweezers welding handpiece $875
WE2726A Hughes ground probe hand piece   8' 1 AWG $200
  Hughes hand piece data-sheet  
WE2728 Hughes HRW-50B capacitor discharge welding supply, 50 watt seconds. 4,200 amps with short pulse $1,475
WE2729 Hughes HRW-100C capacitor discharge supply, 100 watt seconds. 70#  $1,750
WE2729A Hughes HRW-100B capacitor discharge welding supply, 100 watt seconds. With push button presets.  6,000 amps with short pulse 70# $1,850
WE2730 Hughes HRW-250B capacitor discharge welding supply, 250 watt seconds. Has 3 weld shapes and multiple presets.7,200 amps with short pulse.  Cam-Loc output. 120 volts. 104#  $2,950
WE2732 Hughes VTA-60 welding head, 8 oz to 20# force, 150 watt sec capacity, Needs 3/8" electrode adapters $675
WE2735 Hughes VTA-60 welding head, with cable foot pedal More_Info $1,150
WE2735A Hughes VTA-60 welding head, with simple through the bench pedal $950
WE2740 Hughes WD-9817-003 welding transformer,  15 KVA. 230 volts in by 2.35, 4.7 & 7.1 volts out   122# PIX2 $975
WE2750 Hughes   HRA-20 force gauge,  20# capacity $475
WE2760 Hughes HCD-125, 125 watt second, dual pulse welding supply 115 volts. RS-232, 15 pin I/O connector 37# More_Info  PIX2 $2,950
WE2762 Hughes hand pencil tip electrode pair with foot switch $450


WE2504 Raytheon J head, 2 kva or 100 wt-sec, 1-10 pound force, 9# $375
WE2506 Raytheon 2-205 weldpliers (tweezers head) up to 5 kva with water cooling. 1 to 25# force 3-7/8" throat $425
WE2518 1.5 kva welding transformer, 120/240 x .75, 1.5, 2.25, 3 volts.  43#.  $225


WE2800 AmTech Ultraweld 20 metal ultrasonic welder with AmTech 19000 ultrasonic head and Branson 900M 20 Khz supply. 230/60/1 input PIX2 PIX3 PIX4 PIX5 New Arrival $8,250
WE2808 Taylor Winfield EB-00 welding head, 20# maximum force $375
WE2809 Taylor Winfield EB-1 head. 49# maximum force, with foot pedal $550
WE2811 SSEC 1000 seam welder, as-is  PIX2 $1,250
WE2814 WestWeld FFM 1100 welding head, with 1/8" electrodes. 1 to 18 # force $475
WE2823 Ewald WHD14T series weld head, 1 to 20 # either air or cable actuated. 8# $600
WE2824 Taylor-Winfield 5kva transformer; 42-0.5-5-8-T1, 220 volt input, 1.33 to 5.12 out wit taps. 68# PIX2 PIX3 PIX4 $595
WE2827 Taylor-Winfield EB-1-1/2 head, 150 #  maximum capacity with foot pedal $1,050
WE2829 Taylor Winfield EB-00 miniature head 3/4 kva, 20# $475
WE2830 Benchmark Sealmaster seam welding head 2" x 2" rotary or linear, w/o ctrl $1,950
WE2832 Benchmark SM8000 seam welding head, large capacity, w/o controller $2,500
WE2833 Sealweld/Benchmark 8000 seam welder with old control system PIX2 $3,750
WE2846 Miller Gold Star 300SS DC welding supply 230/460/3 x 32 volts, 300 amps, $750
WE2866 Tetra-K Electronics 222H-ACS digital AC welding controller, C-25 SCR and TWT-3B transformer. 208/60/1.  3 in stock. Info from Tetra-K web site: $2,150
WE2874 Seiwa SFW-412, linear DC welding power supply with VH-25A air head, VB-S dual pressure follow up mechanism, 3 mm eccentric electrodes.    Feedback controlled, 4000 amps maximum output. Ideal for battery tabbing operation  115/230 50/60 input. PIX2 PIX3 $6,950
WE2875 Seiwa MSW-412, linear DC welding power supply, thumbwheel controls. with ZH-32 air drive unit, VB-S pressure follow up mechanism, HCD-775 head controller, 3 mm eccentric electrodes, mounted on a 30 x 30" bench. Feedback controlled, 4000 amps maximum output 115/230 input. Similar to Unitek Miyachi UB25 Ideal for battery tabbing 120 volts  PIX2 PIX3  $5,250