4PCS 4-124-204-32mm Step Drill Bit Sharpener Metal Hole Drills Multifunction

Features: *Made of high-quality materials durable *Other features: the latest technology step drills. These drills are made of molybdenum with a melting point of 4753 degrees Fahrenheit! These drill bits will drill through the hardest steels such as truck frames stainless steel agricultural tools spring steel grade 8 bolts and more! *Use scene: thin iron plate aluminum material insulating board PVC board the wood thickness is within 4mm. A drill can be used to punch holes of various specification *Purpose: Hole drilling Specifications: Material: High Speed Steel 4241 Color: silver Shank:6.35MM Size: 4-32mm 4-20mm 4-12mm Drill bit:4mm Quantity: 1/4pcs Package list: 1*drill bit(4-12mm) or 1*drill bit(4-20mm) or 1*drill bit(4-32mm) or 3* step drill bit 1*drill bit Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.