Hymnorq Step Drill Bit Set of 3pcs, 4 to 12mm / 20mm / 32mm, HSS with Black Nitride Coated, Self-Centering Split Point, Anti-Skid 3-Flat Shank, Double Spiral Flutes, for Sheet Iron Aluminum PVC Wood
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Make sure this fits by entering your model number.3PC METRIC SET - The set includes 3 step drill bits(4-32, 4-20, 4-12) which can replace 29 individual drill bits. That means you don’t have to constantly change bits when drilling a range of holes on a single project.QUALITY CONSTRUCTION - Made of selected high-speed steel, not easy to break, compared with twist drill bits. The black nitride surface treatment increases the hardness and abrasion resistance of the step bits, for a prolonged lifetime.3-FLAT SHANK - To be firmly held in a 3-jaw drill chuck, allowing higher torque transmission, limited slipping and good centering.SPIRAL GROOVE - Double spiral groove design for faster and smoother cutting, allowing the chips to get out of the drilling hole more easily.SPLIT POINT - Self-starting, no need for a center punch. The X-shaped tip prevents slipping when drilling work starts.
Make sure this fits by entering your model number.3PC METRIC SET - The set includes 3 step drill bits(4-32, 4-20, 4-12) which can replace 29 individual drill bits. That means you don’t have to constantly change bits when drilling a range of holes on a single project.QUALITY CONSTRUCTION - Made of selected high-speed steel, not easy to break, compared with twist drill bits. The black nitride surface treatment increases the hardness and abrasion resistance of the step bits, for a prolonged lifetime.3-FLAT SHANK - To be firmly held in a 3-jaw drill chuck, allowing higher torque transmission, limited slipping and good centering.SPIRAL GROOVE - Double spiral groove design for faster and smoother cutting, allowing the chips to get out of the drilling hole more easily.SPLIT POINT - Self-starting, no need for a center punch. The X-shaped tip prevents slipping when drilling work starts.
2021-08-18 14:22:21
