DONAHUE INDUSTRIES, INC. | A FULL SERVICE INTERNATIONAL METAL COMPONENTS MANUFACTURER
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Abrasive Cup Wheel Bushings Manufacturer​
For Type 6 - Straight Cup Wheel and Type 11 - Flaring Cup Wheel

Donahue-Industries_cup-wheel-spider-bushings_abrasive-cup-wheel-bushings-manufacturer_pronged-anchor-spider-cup-wheel-bushings
Donahue-Industries_cup-wheel-spider-bushings_abrasive-cup-wheel-bushings-manufacturer_pronged-anchor-spider-cup-wheel-bushings-diagram
Donahue-Industries_cup-wheel-spider-bushings_abrasive-cup-wheel-bushings-manufacturer_pronged-anchor-spider-cup-wheel-bushings-diagram
Cup Wheel Bushing Tab Angle Outside Diameter:
Inch (Metric)
Thread
10
11
60 degrees
60 degrees
1.750" (44.450mm)
2.625" (66.675mm)
5/8"-11 UNC-2B
5/8"-11 UNC-2B
13
14
86 degrees
86 degrees
1.750" (44.450mm)
2.625" (66.675mm)
5/8"-11 UNC-2B
5/8"-11 UNC-2B
21
22
75 degrees
75 degrees
1.750" (44.450mm)
2.625" (66.675mm)
5/8"-11 UNC-2B
5/8"-11 UNC-2B

Special High Speed

Cup Wheel Bushing Tab Angle Outside Diameter:
Inch (Metric)
Thread
10AT
10E14
10E16
11E14
60 degrees
60 degrees
60 degrees
60 degrees
1.750" (44.450mm)
1.750" (44.450mm)
1.750" (44.450mm)
2.625" (66.675mm)
5/8"-18 UNF-2B
7/8"-14 UNF-2B
3/4"-16 UNF-2B
7/8"-14 UNF-2B

Other Available Nuts for All Cup Wheel (Spider) Bushings

Nut Height
5/8"-11 UNC-2B Thread
A
A50
A70
A100
AT
BSW70
8K (Knurl)
8K-215
LH (Left Hand)

.740-.760” (18.796-19.304mm)
.453-473” (11.506-12.014mm)
.688-.708” (17.475-17.983mm)
.990-1.010” (25.146-25.654mm)
.740-.760” (18.796-19.304mm)
.700-.720" (17.78-18.288mm)
.740-.760” (18.796-19.304mm)
.740-.760” (18.796-19.304mm)
.740-.760” (18.796-19.304mm)

3/4"-16 UNF-2B Thread
E-16 .740-.760” (18.796-19.304mm)
7/8"-9 UNC-2B Thread
E-75
E-87
E-100
.740-.760” (18.796-19.304mm)
.865-.885” (21.971-22.479mm)
.990-1.010” (25.146-25.654mm)
7/8"-14 UNF-2B Thread
E-14 .740-.760” (18.796-19.304mm)
1"-8 UNC-2B Thread
E-8
HEX
.740-.760” (18.796-19.304mm)
.940-1.000” (23.876-25.400mm)
M12 x 1.75mm Thread
M12
M12-50
.740-.760” (18.796-19.304mm)
.453-473” (11.506-12.014mm)
M14 x 2.0mm Thread
M14
M14-50
M14-70
.740-.760” (18.796-19.304mm)
.453-473” (11.506-12.014mm)
.688-.708” (17.475-17.983mm)
M16 x 1.5mm Thread
M16-70 .688-.708” (17.475-17.983mm)
M16 x 2.0mm Thread
M16
M16-70
.740-.760” (18.796-19.304mm)
.688-.708” (17.475-17.983mm)
M20 x 2.5mm Thread
E-M20-2.5
E-M20-70
E-M20-70-LH
E-M20-HEX-99
.740-.760” (18.796-19.304mm)
.688-.708” (17.475-17.983mm)
.688-.708” (17.475-17.983mm)
.974-.994” (24.740-25.248mm)
No Thread
E-MNO-30 (.295-.300” ream)
E-MNO-70 (.295-.300” ream)
.740-.760” (18.796-19.304mm)
.688-.708” (17.475-17.983mm)

Custom nuts available upon request.

Request A Quotation
  • Home
  • Grinding & Abrasives
    • 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 Sheave Gauge
    • Fractional Wire Rope Sheave Gauges
    • Metric Wire Rope Sheave Gauges
    • How To Use A Wire Rope Gauge
  • Custom Products
    • Hardware Startups
  • Defense Contracting
  • About
  • Contact