10pcs Extra Long Drill Bits 3.2mm HSS High Speed Steel Drill Bit 120mm Length 2mmX4mm Inner Size: 94 x 61

Inner Size: 94 x 61 x 37mm / 3

it is corrosion-resistant

Hex Head Size: 18

direct replace your broken one

the outside diameter of the small end is 1

10pcs Extra Long Drill Bits 3.2mm HSS High Speed Steel Drill Bit 120mm Length 2mmX4mm Inner Size: 94 x 611. These drill bits are made from high speed steel for high hardness and durability, Sturdy and having long service time. 2. The twist design is adopted to center the tool tip and improve the cutting accuracy. Prevents the bit from displacement during work, and removes debris and particles more easily. 3. Long drill bits can be used for drilling into metal, wood, plastic, PVC. First use a common drill to drill holes, and then use an extended drill to