Donahue Industries, Inc. | A full service international metal components manufacturer
  • Grinding Wheel Industry
    • Abrasive Wheel Inserts
    • Cup Wheel (Spider) Bushings
    • Disc Wheel Inserts
    • Reducing Adapter Bushings
    • Reusable Adapter Kits
    • Safety Backs
    • Throw-away Mounting Flanges
    • Threaded Hex Inserts
  • Wire Rope Industry
    • Fractional Wire Rope Gauges
    • Metric Wire Rope Gauges
    • How To Use A Wire Rope Gauge
  • Hardware Startups
  • Customize
  • About
  • Contact
  • Español
  • Français
  • Deutsche

Abrasive Wheel Bushings Manufacturer​
For Type 1 - Straight Wheel and Types 27 & 28 - Depressed Center Wheel

Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_hat-wheel-insertThin wheel insert
Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_hat-wheel-insert-diagram
Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_date-stamped-hat-wheel-bushingsPicture
Now available: date stamped inserts
Donahue Industries now offers all sized thin wheel inserts with a date stamp option so manufacturers can adhere to regulations. 
Standard Steel Thin Wheel Inserts (Tinplate Inserts)
with .014-.016" (.356-.406mm) Material Thickness or .009-.011" (.229-.279mm) Material Thickness
Part No. Inside Diameter:
Inch (Metric)
Outside Diameter:
Inch (Metric)
Overall Height:
Inch (Metric)
Extruded Holes
*Extra Hole
.010" (.254mm) Material Thickness
C-060-010 .886-.890" (22.504-22.606mm) 1.500" (38.100mm) .055-.060" (1.397-1.524mm) 4
.015" (.381mm) Material Thickness
H-1
H-1NO
H-2
H-2NO
382-.385" (9.703-9.799mm)
382-.385" (9.703-9.799mm)
382-.385" (9.703-9.799mm)
382-.385" (9.703-9.799mm)
.750" (19.050mm)
.750" (19.050mm)
.750" (19.050mm)
.750" (19.050mm)
.052-.062" (1.321-1.575mm)
.052-.062" (1.321-1.575mm)
.110-.120" (2.794-3.048mm)
.110-.120" (2.794-3.048mm)
4
0
4
0
A-10-040
A-10
.630-.633" (16.002-16.078mm)
.630-.633" (16.002-16.078mm)
1.250" (31.750mm)
1.250" (31.750mm)
.030-.040" (.762-1.016mm)
.052-.062" (1.321-1.575mm)
4
4
A-13
A-13-NO
A-14
A-15
.630-.633" (16.002-16.078mm)
.630-.633" (16.002-16.078mm)
.630-.633" (16.002-16.078mm)
.630-.633" (16.002-16.078mm)
1.250" (31.750mm)
1.250" (31.750mm)
1.250" (31.750mm)
1.250" (31.750mm)
.100-.115" (2.540-2.921mm)
.100-.115" (2.540-2.921mm)
.165-.180" (4.191-4.572mm)
.220-.240" (5.588-6.096mm)
4
0
4
4
A-2
A-2C
A-2CX
A-2CN
.630-.633" (16.002-16.078mm)
.630-.633" (16.002-16.078mm)
.630-.633" (16.002-16.078mm)
.630-.633" (16.002-16.078mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
.060-.070" (1.524-1.778mm)
.110-.120" (2.794-3.048mm)
.110-.120" (2.794-3.048mm)
.130-.140" (3.302-3.556mm)
4
4
4*
4
A-3C .755-.758" (19.177-19.253mm) 1.500" (38.100mm) .110-.120" (2.794-3.048mm) 4
M-1B
M-1
MM-095
MM-120
.792-.797" (20.117-20.244mm)
.792-.797" (20.117-20.244mm)
.797-.802" (20.244-20.371mm)
.797-.802" (20.244-20.371mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
.080-.095" (2.032-2.413mm)
.105-.120" (2.667-3.048mm)
.080-.095" (2.032-2.413mm)
.105-.120" (2.667-3.048mm)
4
4
4
4
BB-1
B-1S
.881-.883" (22.377-22.428mm)
.880-.882" (22.377-22.428mm)
1.500" (38.100mm)
1.500" (38.100mm)
.105-.117" (2.667-2.972mm)
.147-.167" (3.734-4.242mm)
4
4
BAU-1 .881-.883" (22.377-22.428mm) 1.125" (28.575mm) .053-.063" (1.346-1.600mm) 0
B-040
BA-1
BA-2
B-5
B-5NO
B-1
B-2
B-3
B-3NO
.881-.883" (22.377-22.428mm)
.881-.883" (22.377-22.428mm)
.881-.883" (22.377-22.428mm)
.881-.883" (22.377-22.428mm)
.881-.883" (22.377-22.428mm)
.881-.883" (22.377-22.428mm)
.881-.883" (22.377-22.428mm)
.881-.883" (22.377-22.428mm)
.881-.883" (22.377-22.428mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
.030-.040" (.762-1.016mm)
.053-.063" (1.346-1.600mm)
.060-.070" (1.524-1.778mm)
.090-.100" (2.286-2.540mm)
.090-.100" (2.286-2.540mm)
.124-.145" (3.150-3.683mm)
.168-.188" (4.267-4.775mm)
.220-.250" (5.588-6.350mm)
.220-.250" (5.588-6.350mm)
4
4
4
4
0
4
4
4
0
B1-L .883-.885" (22.428-22.479mm) 1.500" (38.100mm) .125-.145" (3.175-3.683mm) 4 TABS
C-060



C-060-NO
C-060-H
.886-.889" (22.504-22.581mm)



.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
1.500" (38.100mm)



1.500" (38.100mm)
1.500" (38.100mm)

.050-.060" (1.270-1.524mm)



.050-.060" (1.270-1.524mm)
.050-.060" (1.270-1.524mm)
4 (.060" or 1.524mm Max Ht)
0
4 (.080" or 2.032mm Max Ht)
C-100
C-100-NO
C-120
C-120-NO
C-145
C-145-NO
C-165
C-165-NO
C-250
C-250-NO
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
.886-.889" (22.504-22.581mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
1.500" (38.100mm)
.085-.100" (2.159-2.540mm)
.085-.100" (2.159-2.540mm)
.105-.120" (2.667-3.048mm)
.105-.120" (2.667-3.048mm)
.125-.145" (3.175-3.683mm)
.125-.145" (3.175-3.683mm)
.150-.165" (3.810-4.191mm)
.150-.165" (3.810-4.191mm)
.220-.250" (5.588-6.350mm)
.220-.250" (5.588-6.350mm)
4
0
4
0
4
0
4
0
4
0
B-1NT
B-1T

.891-.894" (22.631-22.708mm)
.891-.894" (22.631-22.708mm)
1.500" (38.100mm)
1.500" (38.100mm)
.090-.100" (2.286-2.540mm)
.090-.100" (2.286-2.540mm)
0
4 (.080" or 2.032mm Max Ht)
A-5
A-6
A-6B
A-7
A-8
A-9
1.008-1.011" (25.603-25.679mm)
1.008-1.011" (25.603-25.679mm)
1.008-1.011" (25.603-25.679mm)
1.008-1.011" (25.603-25.679mm)
1.008-1.011" (25.603-25.679mm)
1.008-1.011" (25.603-25.679mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
.052-.062" (1.321-1.575mm)
.080-.095" (2.032-2.413mm)
.085-.105" (2.159-2.667mm)
.115-.125" (2.921-3.175mm)
.145-.160" (3.683-4.064mm)
.175-.190" (4.445-4.826mm)
4
4
4
4
4
4
A-16

A-17

A-18

A-19
1.008-1.011”
(25.603-25.679mm)
1.008-1.011”
(25.603-25.679mm)
1.008-1.011”
(25.603-25.679mm)
1.008-1.011”
(25.603-25.679mm)

2.000” (50.800mm)

2.000” (50.800mm)

2.000” (50.800mm)

2.000” (50.800mm)

.080-.095” (2.032-2.413mm)

.115-.125” (2.921-3.175mm)

.145-.160” (3.683-4.064mm)

.175-.190” (4.445-4.826mm)

4

4

4

4

AD-095
AD-095-NO
AD-125
AD-125-NO
AD-160
AD-160-NO
AD-260
AD-260-NO
1.012-1.015" (25.705-25.781mm)
1.012-1.015" (25.705-25.781mm)
1.012-1.015" (25.705-25.781mm)
1.012-1.015" (25.705-25.781mm)
1.012-1.015" (25.705-25.781mm)
1.012-1.015" (25.705-25.781mm)
1.012-1.015" (25.705-25.781mm)
1.012-1.015" (25.705-25.781mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
.080-.095" (2.032-2.413mm)
.080-.095" (2.032-2.413mm)
.110-.125" (2.794-3.175mm)
.110-.125" (2.794-3.175mm)
.145-.160" (3.683-4.064mm)
.145-.160" (3.683-4.064mm)
.245-.260" (6.223-6.604mm)
.245-.260" (6.223-6.604mm)
4
0
4
0
4
0
4
0
AA-1
AA-2
1.015-1.018" (25.781-25.857mm)
1.015-1.018" (25.781-25.857mm)
1.500" (38.100mm)
1.500" (38.100mm)
.143-.158" (3.632-4.013mm)
.193-.208" (4.902-5.283mm)
0
0
J-1
J-2
J-3
J-4
1.258-1.261" (31.953-32.029mm)
1.258-1.261" (31.953-32.029mm)
1.258-1.261" (31.953-32.029mm)
1.258-1.261" (31.953-32.029mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
2.000" (50.800mm)
.052-.062" (1.321-1.575mm)
.075-.085" (1.905-2.159mm)
.110-.120" (2.794-3.048mm)
.130-.145" (3.302-3.683mm)
4
4
4
4
J-32MM 1.268-1.271” (32.207-32.283mm) 2.000” (50.800mm) .058-.068” (1.473-1.727mm) 4
.020" (.508mm) Material Thickness
K-1
K-2
K-3
1.508-1.511" (38.303-38.379mm)
1.508-1.511" (38.303-38.379mm)
1.508-1.511" (38.303-38.379mm)
3.000" (76.200mm)
3.000" (76.200mm)
3.000" (76.200mm)
.085-.095" (2.159-2.413mm)
.110-.120" (2.794-3.048mm)
.140-.160" (3.556-4.064mm)
4
4
4
G-5
G-4
G-2
G-3
1.694-1.696" (43.028-43.078mm)
1.760-1.766" (44.704-44.856mm)
1.760-1.766" (44.704-44.856mm)
1.760-1.766" (44.704-44.856mm)
3.000" (76.200mm)
3.000" (76.200mm)
3.000" (76.200mm)
3.000" (76.200mm)
.165-.180" (4.191-4.572mm)
.128-.143" (3.251-3.632mm)
.195-.210" (4.953-5.334mm)
.245-.260" (6.223-6.604mm)
4
4
4
4
L-090
L-260
2.010-2.016" (51.054-51.206mm)
2.010-2.016" (51.054-51.206mm)
3.000" (76.200mm)
3.000" (76.200mm)
.070-.090" (1.778-2.286mm)
.240-.260" (6.096-6.604mm)
4
4
N-140
N-200
2.385-2.390" (60.579-60.706mm)
2.385-2.390" (60.579-60.706mm)
3.000" (76.200mm)
3.000" (76.200mm)
.120-.140" (3.048-3.556mm)
.180-.200" (4.572-5.080mm)
4
4
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Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_diamond-steel-inserts
Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_diamond-steel-inserts-diagram
Diamond Steel Inserts
Part No. Diamond Length:
Inch (Metric)
Inside Dimension Across Flats:
Inch (Metric)
Outside Diameter:
Inch (Metric)
Overall Height:
Inch (Metric)
Extruded Holes
*Extra Hole
E-1DS
(.012" or .305mm THICK)
E-2
E-2N

E-3
E-6V
E-6VX*
1.286" (32.664mm)



1.235" (31.369mm)
1.235" (31.369mm)

1.235" (31.369mm)
1.255" (31.877mm)
*E-6V W/.125" (3.175mm) HOLE
.829" (21.057mm)



.827" (21.006mm)
.827" (21.006mm)

.827" (21.006mm)
.825" (20.955mm)
1.875" (47.625mm)



2.000" (50.800mm)
2.000" (50.800mm)

2.000" (50.800mm)
2.000" (50.800mm)
.080-.095" (2.032-2.413mm)



.080-.095" (2.032-2.413mm)
.080-.095" (2.032-2.413mm)

.110-.120" (2.794-3.048mm)
.110-.120" (2.794-3.048mm)
4



4
4 W/STAR
4
4
4
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Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_diamond-reducing-bushings
Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_diamond-reducing-bushings
Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_diamond-reducing-bushings-diagram
Diamond Reducing Bushings
Outside Diameter to Round Inside Diameter
Material Part No. Diamond Length:
Inch (Metric)
Diamond Width:
Inch (Metric)
Inside Diameter:
Inch (Metric)
Overall Height:
Inch (Metric)
Steel
Steel
SE-2
SE-2A
1.220" (30.998mm)
1.220" (30.998mm)
.840" (21.336mm)
.840" (21.336mm)
.633" (16.078mm)
.644" (16.358mm)
.105-.120" (2.667-3.048mm)
.105-.120" (2.667-3.048mm)
Plastic
Plastic
PE-1
PE-2
1.200" (30.480mm)
1.200" (30.480mm)
.821" (20.853mm)
.821" (20.853mm)
.505" (12.827mm)
.630" (16.002mm)
.090" (2.286mm)
.090" (2.286mm)
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Donahue-Industries_abrasive-wheel-inserts_abrasive-wheel-bushings-manufacturer_round-plastic-reducing-bushings
Donahue-Industries_cup-wheel-spider-bushings_abrasive-wheel-bushings-manufacturer_round-plastic-reducing-bushings-diagram
Round Plastic Reducing Bushings
Reduce 1.000" (25.400mm) nominal grinding wheel inside diameters to smaller round arbors
Part No. Inside Diameter:
Inch (Metric)
Outside Diameter:
Inch (Metric)
Material Thickness:
Inch (Metric)
PRD-2
PRD-4
PRD-6
.625" (15.875mm)
.875" (22.225mm)
.787" (20.000mm)
1" NOM. (25.400mm)
1" NOM. (25.400mm)
1" NOM. (25.400mm)
.110-.125" (2.794-3.175mm)
.110-.125" (2.794-3.175mm)
.110-.125" (2.794-3.175mm)
Request A Quotation
​Grinding Wheel Industry
   Abrasive wheel inserts
   Cup wheel (spider) bushings
   Disc wheel inserts
   Reducing adapter bushings
   Reusable adapter kits
   Safety backs
   Throw-away mounting flanges
   Threaded hex inserts

Wire Rope Industry
   Fractional sheave gauges
   Metric sheave gauges
   How to use a sheave gauge
Customize
About
Contact
Donahue Industries



​
Donahue Industries, Inc. is a full service international metal stamping manufacturer in Massachusetts specializing in parts for the grinding wheel and wire rope industries. 

Donahue Industries, Inc.
5 Industrial Drive
Shrewsbury, MA  01545-5835

Phone: (001) 508-845-6501
Fax: (001) 508-842-7665
sales@donahueindustries.com