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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" |
Challenge 305 Cutting Sticks $69.50 |
5/16" Iram / Sterling Long Drill $36.95 |
Polar 92 Cutting Sticks $69.00 |