Abrasive Wheel Bushings Manufacturer
For Type 1 - Straight Wheel and Types 27 & 28 - Depressed Center Wheel
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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
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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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 |
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| 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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Diamond Reducing Bushings
Outside Diameter to Round Inside Diameter
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) |
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| 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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Round Plastic Reducing Bushings
Reduce 1.000" (25.400mm) nominal grinding wheel inside diameters to smaller round arbors
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) |
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| 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) |