QWORK 3 Pcs Titanium Step Drill Bit Set, High Speed Steel, 1/8" - 3/4" Total 28 Sizes, HSS Multiple Hole Drilling Cutting with Storage Bag

Key features

• 1) 3 standard SAE step drill bits can drill 28 different size of holes on different thickness of materials. One 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit(detailed hole size and drill depth of each drill bit please check in Product description below)
• 2) Made of high quality high speed steel that is hard and sharp enough to drill through wood, plastic, steel and sheet metal
• 3) Titanium coated surface can reduce friction and overheat when drilling through material for longer life time
• 4) Two-flute design provides faster, smoother and accurate cutting
• 5) 1/4" hex shank (6.35mm)can be easily fit into power driver, drill and press drill