Worldclass Facilities Utilizing State-of-the-art Equipment

Colonial Machine and Tool company is a leader in sophisticated machining services for commercial and medical markets, aerospace and nuclear power. Since its establishment in 1962 as a three man shop, Colonial continues to grow its share in the market place by investing in the latest state-of-the-art equipment to meet the needs of today’s customers. With 48 employees, including engineers and craftsmen with years of experience in the highly complex techniques necessary to address the uncompromising demands of our customers.

Equipment List

Turning Centers

1Mori Seiki ZL 200 Twin Spindle/Twin Turret w/Barfeeder
2Mori Seiki SL-150-CNC Twin Spindle w/Barfeeder
1Mori Seiki DMG NLX 3000 26” X 30”
2Mori Seiki SL-25- CNC Turning Center 22” X 60”
2Yamaseki GS-400L CNC Turning Center 29.130 X 78.740
1Star SR16R CNC Swissturn w/ Barfeeder
2Mori Seiki Dura Turn CNC Turning Center

Machining Centers

2Mori Seiki MV-55 CNC - 20” X 40” with 4th Axis
2Mori Seiki MV-40 CNC - 18” X 30” with 4th Axis
1Mori Seiki MV-40-E - 16” X 22”
2Feeler VB-1100 20” X 40” with 5 Axis
1Mori Seiki MV-653 CNC 26 X 60 with 4th Axis

Lathes/Milling Machines

5Bridgeport Series I Vertical Milling Machines
1Sharp 2060C Engine Lathe 20 x 60
1Clausing - Colchester Engine Lathe - 15" X 48"
4Hardinge Super - Precision High Speed Lathe


1Okamoto Surface Grinder 6”X 18” linear rollaway
2Reid Precision Surface Grinders - Model HR-618, Model H-612
2Brown & Sharpe Surface Grinders - 618 Micromaster
1Brown & Sharpe Surface Grinder - Hydraulic 6/8 rollaway
1Okamoto Surface Grinder- Hydraulic 12" X 24"
1Okamoto Surface Grinder 6" x 18" Automatic
1Wasino 6" X 18" Precision Surface Grinder
Cylindrical Grinding 
1SuperTec O.D. CNC Cylindrical Grinder
2Ko Lee Id/ Od Cylindrical Grinders
1Brown & Sharpe #13 Grinder Universal Grinder
1Jones & Shipman 14" X 40" Cylindrical Grinder


1Sunnen Model NBB-1660
1Sunnen Model NBB 1802 - Power Stroke
1Sunnen Model EC-3500 Fully Automatic Precision Hone
1Sunnen Model ML-3500 Fully Automatic Precision Hone

Electrical Discharge Machining

1EDM Eltee Pulsitron EP 300 - 18" X 14"
1Charmilles Form 20 EDM - 24" X 16"


1Linde VI-450 Mig Welding Machine
1Lincoln Square Wave Tig AC-DC 355
1L-Tec Plasmarc PCM-70

Heat Treating

1Pillar Induction Oven
1Cryogenic Deep Freezer
2Engis Lapping Machines

Quality Inspection

1Deltronic Optical Comparator
1Optical Comparator – Jones & Lamson
1Optical Comparator – Micro Vu
1Starrett CMM 20" X 24"
1Electronic Height Check – Browne & Sharpe
6Gage Block Sets – Fowler - Mitutoyo
2Bench – Test Centers – 28"
19Bore Gages – Peacock and Mitutoyo - .500" to 16" in .0001" increments
1Sheffield Profilometer
40Micrometers – Brown & Sharpe – O.D. .001" to 30"
6Micrometer – Depth 0" to 22"
6Micrometers – Fowler and Mitutoyo – Pitch 0" to 6"
110Thread Gages, Thread Plugs, and Ring Gages of various sizes
15Pin gage Sets – Fowler and Vermont, .011" to 1.000" in .001" Increments
1Wilson Rockwell Hardness Tester
4Mitutoyo 20X Microscopes
10Granite Surface plates – various sizes
4Intra Mic's – Range .750-2.400
© 2021 Colonial Machine & Tool, Inc.