STROTON Cobalt Drill Bit Set (1/16-1/4 Inch, 13PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood Ranbo equipped with a built-in fan

equipped with a built-in fan

outside caliper: 23

which is more energy-saving and convenient

model number: FBAUSLH00059

this reliable metal C clamps can ensure that everything is in the right place

STROTON Cobalt Drill Bit Set (1/16-1/4 Inch, 13PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood Ranbo equipped with a built-in fanBrand: STROTON Features: Premium True 5% Cobalt Steel with 68 HRC The Marked Cobalt Content of Ordinary Drill Bits May be False, but This Drill Bits Set is Made of Cobalt Ore from Our Own Mine, Which Indeed Contains 5% Cobalt. Although the Cost and Price are Slightly Higher, It Usually is able to Provide 3X Heat,Wear and Chip Resistance and 3X Tool Life. Split Point Design and Fully Ground Process Compared with Other Ordinary Drill Bits, This Drill