PUMPKIN-PRO 1mm Cobalt Drill

Product Description :

• High Speed ??Steel + 5% Cobalt (HSS-Co 5%)
• Made from 5% Cobalt Steel, known as M35 High Speed ??Steel, imported from France.
• M35 In addition to 5% cobalt (M2 does not contain this mineral), the M35 also has 6% tungsten (M2) tungsten carbide (M2, 1.6% tungsten). The M35 has many of the same qualities as the M2.
• Better heat resistance
• Better corrosion resistance
• Hardness and toughness