Overview Product Description Blu-Mol 3pc Large Countersink set BL370-CSK01 BLU-MOL 3PCE Countersink Set 90DEG (20.5, 25 ,31mm) BL370-CSK01 3 flute design - 90o degree point angle - 5% cobalt Hss (M35) - Bright finish - Straight round shank - Suitable for: Non-ferrous metal, Stainless steel, Thermoplastic, Duroplastic, Sheet metal - Contains: 20.5mm, 25mm, 31mm Product Videos Custom Field Product Reviews