North Americas Leading Manufacturer of CNC Lathe Toolholders

GLOBAL CNC INDUSTRIES, LTD.

Back Spotfacers and Back Counterbores

 

 

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Plymouth,  MI  48170

Fax: 734-464-2225

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Global CNC is proud to have over 30 years experience in the Manufacture of these Pilots for Back Spotfacers and Back Counterbores.  We offer Straight Shank, Taper Shank and Stub Taper with Taper Shank. Pilots for Balanced Drive Back Spotfacers and Back Counterbores.

 

All in Stock for Same Day Delivery : Made in the USA in Michigan : Precision Machined and Ground : Inspected for Perfection !

 

   


 

STRAIGHT SHANK PILOTS FOR BALANCED DRIVE BACK SPOTFACERS AND BACK COUNTERBORES

Straight Shank : Pilots for Balanced Drive Back Spot facers and Back Counter bores

These Straight Shank Back Spotfacers and Back Counterbores are inspected to perfection with Quality guages. Global CNC is pleased to offer a complete array of Sizes to meet all of your Pilot Back Spotfacer and Back Counterbore needs. All Holders for Spotfacers and Counterbores are made in Michigan. Commonly known as the 453 Series.

 

A : Pilot Dia

Part Number

B : Shank Diameter

C : Body Length

D : Inverted Drive

 E : Shank Length 

.3125
.3438
.3750

86453-1031
86453-1034
86453-1037

.500
.500
.500

2.500
2.500
2.500

.3125
.3125
.3125

2.000
2.000
2.000

.4063
.4375
.4688

86453-1040
86453-1043
86453-1046

.500
.500
.500

2.500
2.500
2.500

.3125
.3125
.3125

2.000
2.000
2.000

.5000
.5313
.3750

86453-1050
86453-1053
86453-2037

.500
.500
.500

2.500
2.500
2.500

.3125
.3125
.3750

2.000
2.000
2.000

.4063
.4375
.4688

86453-2040
86453-2043
86453-2046

.500
.500
.500

2.500
2.500
2.500

.3750
.3750
.3750

2.000
2.000
2.000

.5000
.5313
.5625

86453-2050
86453-2053
86453-2056

.500
.500
.500

2.500
2.500
2.500

.3750
.3750
.3750

2.000
2.000
2.000

.5938
.6250
.6563

86453-2059
86453-2062
86453-2065

.500
.500
.500

2.500
2.500
2.500

.3750
.3750
.3750

2.000
2.000
2.000

.5000
.5313
.5625

86453-3050
86453-3053
86453-3056

.500
.500
.500

2.500
2.500
2.500

.5000
.5000
.5000

2.000
2.000
2.000

.5938
.6250
.6563

86453-3059
86453-3062
86453-3065

.500
.500
.500

2.500
2.500
2.500

.5000
.5000
.5000

2.000
2.000
2.000

.6875
.7500
.7813

86453-3068
86453-3075
86453-3078

.500
.500
.500

2.500
2.500
2.500

.5000
.5000
.5000

2.000
2.000
2.000

.8125
.8750
.9063

86453-3081
86453-3087
86453-3090

.500
.500
.500

3.500
3.500
3.500

.5000
.5000
.5000

2.000
2.000
2.000

1.0313
.7500
.8125

86453-3103
86453-4075
86453-4081

.500
.750
.750

3.500
3.500
3.500

.5000
.7500
.7500

2.000
2.250
2.250

.8750
.9375
1.000

86453-4087
86453-4093
86453-4100

.750
.750
.750

3.500
3.500
3.500

.7500
.7500
.7500

2.250
2.250
2.250

1.125
1.250
1.375

86453-4112
86453-4125
86453-4137

.750
.750
.750

3.500
3.500
3.500

.7500
.7500
.7500

2.250
2.250
2.250

1.000
1.125
1.250

86453-5100
86453-5112
86453-5125

1.00
1.00
1.00

3.500
3.500
3.500

1.000
1.000
1.000

2.500
2.500
2.500

1.375
1.500
1.625

86453-5137
86453-5150
86453-5162

1.00
1.00
1.00

3.500
5.000
5.000

1.000
1.000
1.000

2.500
2.500
2.500

                                                         

 


 

TAPER SHANK PILOT FOR BACK SPOTFACERS AND BACK COUNTERBORES

Taper Shank : Pilots for Balanced Drive Back Spotfacers and Back Counterbores  

These Taper Shank Back Spotfacers and Back Counterbores are inspected to perfection with Quality guages. Global CNC is pleased to offer a complete array of Sizes to meet all of your Pilot Back Spotfacer and Back Counterbore needs. All Holders for Spotfacers and Counterbores are made in Michigan. Commonly known as the 450 Series.

 

A : Pilot Dia

Part Number

Morse Taper Shank

B : Body Length

C : Inverted Drive

.3125
.3438
.3750

86450-1031
86450-1034
86450-1037

2
2
2

2.500
2.500
2.500

.3125
.3125
.3125

.4063
.4375
.4688

86450-1040
86450-1043
86450-1046

2
2
2

2.500
2.500
2.500

.3125
.3125
.3125

.500
.5313
.3750

86450-1050
86450-1053
86450-2037

2
2
2

2.500
2.500
2.500

.3125
.3125
.3750

.4063
.4375
.4688

86450-2040
86450-2043
86450-2046

2
2
2

2.500
2.500
2.500

.3750
.3750
.3750

.5000
.5313
.5625

86450-2050
86450-2053
86450-2056

2
2
2

2.500
2.500
2.500

.3750
.3750
.3750

.5938
.6250
.6563

86450-2059
86450-2062
86450-2065

2
2
2

2.500
2.500
2.500

.3750
.3750
.3750

.5000
.5313
.5625

86450-3050
86450-3053
86450-3056

2
2
2

2.500
2.500
2.500

.5000
.5000
.5000

.5938
.6250
.6563

86450-3059
86450-3062
86450-3065

2
2
2

2.500
2.500
2.500

.5000
.5000
.5000

.6875
.7500
.7813

86450-3068
86450-3075
86450-3078

2
2
2

2.500
2.500
2.500

.5000
.5000
.5000

.8125
.8750
.9063

86450-3081
86450-3087
86450-3090

2
2
2

3.500
3.500
3.500

.5000
.5000
.5000

1.0313
.7500
.8125

86450-3103
86450-4075
86450-4081

2
3
3

3.500
3.500
3.500

.5000
.7500
.7500

.8750
.9375
1.000

86450-4087
86450-4093
86450-4100

3
3
3

3.500
3.500
3.500

.7500
.7500
.7500

1.125
1.250
1.375

86450-4112
86450-4125
86450-4137

3
3
3

3.500
3.500
3.500

.7500
.7500
.7500

1.000
1.125
1.250

86450-5100
86450-5112
86450-5125

4
4
4

3.500
3.500
3.500

1.000
1.000
1.000

1.375
1.500
1.625

86450-5137
86450-5150
86450-5162

4
4
4

3.500
5.000
5.000

1.000
1.000
1.000





STUB TAPER WITH TAPER SHANK HOLDER FOR COUNTERBORES AND COUNTERSINKS
Stub Taper with Taper Shank : Holder for Counterbores and Countersinks
These Stub Taper Holders for Counterbores are inspected to perfection with Quality guages. Global CNC is pleased to offer a complete array of Sizes to meet all of your Stub Taper Holder for Counterbore and Countersinks needs. All Holders for Counterbore and Countersinks are made in Michigan. Commonly Known as the 310 Series.

Cutter Range Part Number Stub Taper Morse Taper A : Body Dia B : Body Length C : Projection
.4375 to .6875
.4375 to .6875
.7500 to 1.500
86310-1208
86310-1308
86310-2211
1
1
2
2
3
2
.8750
.8750
1.1875
1.750
1.750
2.188
1.938
1.938
2.375
.7500 to 1.500
.7500 to 1.500
1.5625 to 1.9375
86310-2311
86310-2411
86310-3214
2
2
3
3
4
2
1.1875
1.1875
1.4375
2.188
2.188
2.563
2.375
2.438
2.750
1.5625 to 1.9375
1.5625 to 1.9375
2.000 to 3.000
86310-3314
86310-3414
86310-4318
3
3
4
3
4
3
1.4375
1.4375
1.8750
2.563
2.563
3.000
2.750
2.813
3.188
2.000 to 3.000
2.000 to 3.000
2.875 to 3.000
86310-4418
86310-4518
86310-5527
4
4
5
4
5
5
1.8750
1.8750
2.7500
3.000
3.000
3.750
3.250
3.250
4.000