A170-18,50,299-7899,Dormer A170 系列 18.5mm直径 高速钢 钻头 A170-18,50, 118°尖, 1/2in长 渐缩平行杆, 157 mm总长 ,Dormer
Series of HSS plain stem drill bits of diameter 12.7 mm at a normal helix of 30° and sharpening of 118°.
These drill bits are for general piercing of steel, cast iron, etc.
The reduced stem of 12.7 mm allows work with machinery equipped with spindles with a maximal capacity of 13 mm (1//2").
