6pcs countersink set in steel box, 90 degree, HSS4241

Features:

1. One set contains 6pcs 90 degree three edge chamfering cutters. Packed in steel box. 

2. Shank: round handle. 

3. Material: HSS4241 tincoated. It is suitable for cutting hardness less than HRC25 products, such as carbon steel, steel plate, insulation board, PVC board, wood board.