Abrasive Cup Wheel Bushings Manufacturer​
For Type 6 - Straight Cup Wheel and Type 11 - Flaring Cup Wheel

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.

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