MORSE Pilot Drills 1/4" x 4 1/4"- (6.5 mm x 115 mm). Hole Saw Pilot Drill 1/4" x 4 1/4"- Split point, shank ground on 3 sides. For use with Arbor Part No.s-TNM24K, TNM34, TNM44. - AB, BT, DD, DG, EH, FK, G, GY, HS, IM, IV, KA, KW, KY, ML, PA, PH, TD, ZE, all Islands.
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