Onishi Drill cutter dedicated medium drill (L15mm) 4.0mm NO23-40N 1 piece

Catalog number: NO23-40N Features: ● Medium drill exclusively for the hexagonal shaft drill cutter L-15. ● X-shaped thinning processing is applied, so it has good bite and good chip removal at the tip, which extends the life of the drill. Specifications: ● Medium drill groove length (mm): 15 ● Applicable drill: NO23-10540 ● Tip diameter (mm): 4.0 ● X-shaped thinning processing