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These hollow drill bits are compatible with Seybold standard paper drills. They are for drills with 2-1/4" stack capacity.
Diameter: | 5/16" |
Shaft Length: | 2-1/4" |
Drill Bit Capacity: | 2-1/4" |
1/2" Seybold Standard Drill Bit $32.95 |
CD/DVD Solid Hubs $8.50 |