Metric M42 8% Cobalt Drill Bits Set for Stainless Steel and Hardened Steel (10-13mm (7PCS) M42) 10-13mm (7PCS) M42 Size:10-13mm (7PCS) M42 We promise offer you a

We promise offer you a satisfied solution

ETL & FCC certified

digital isolation protection

crafted from durable ABS

Lasts over 3500 hours lifespan

Metric M42 8% Cobalt Drill Bits Set for Stainless Steel and Hardened Steel (10-13mm (7PCS) M42) 10-13mm (7PCS) M42 Size:10-13mm (7PCS) M42 We promise offer you aMetric M42 8% Cobalt Drill Bits Set for Stainless Steel and Hardened Steel (10 13mm (7PCS) M42) Product Features Premium True 8% Cobalt Steel with 68 70 HRC The Marked Cobalt Content of Ordinary Drill Bits May be False, but This Cobalt Drill Bits Set is Made of Cobalt Ore from Our Own Mine, Which Indeed Contains 8% Cobalt. Although the Cost and Price are Slightly Higher, It Usually is able to Provide 5X Heat,Wear and Chip Resistance and 5X Tool Life.