7/28/2023 0 Comments Step drill bitFor the most part, these steel bits have replaced carbon-based bits when it comes to drilling into metal. High-speed steel (or HSS) bits are the least expensive and can handle soft metals, along with other materials such as fiberglass, wood, and plastic.Along with the size, the ideal material is determined by the specific needs of the job. Step drills bits can be made from a variety of materials. In many cases, this initial hole is drilled by first using a center punch to create an indention in the metal at the exact point you plan to drill.Īn added benefit of step drill bits is they can also be used to deburr, or clean out, shavings that gather up inside holes. Larger bits are typically cone-shaped and have a blunt tip therefore they always need a pre-drilled hole that is the same size as the smallest step on that particular bit. Smaller sized bits are often self-starting, with a sharp point at the tip, and therefore don’t require a pilot hole before drilling. The size may be metric or imperial, and refers to the bit’s diameter. The diameter of each step drill bit is usually etched right onto its side for easy reference. These bits typically work in groups, with a starter bit used to make an initial small hole and progressively larger bits used to gradually drill the diameter of the hole needed for that particular job or project. Step drill bits are common on construction sites and are used to enlarge holes in thin metals, as well as in other materials like plywood, drywall, and particleboard.Įlectricians use step drill bits quite frequently, as they are perfect for drilling holes in the thin metal boxes that hold wiring. These bits can drill into metal up to ¼" thick and are, in most cases, conical shaped with a stair-step profile-hence the name “step” drill bits. But when you need to drill into sheet metal, you’re going to need to use what are known as step drill bits. Each storage hole is precisely sized for accurate and quick bit selection.Ģ1 pc set includes sizes 1/16”-3.8” by 64ths and comes in rugged, heavy gauge, corrosion resistant, epoxy coated, snap lock all steel case.ġ5 pc set includes sizes 1/16”-1/2” by 32nds and comes in rugged, heavy gauge, corrosion resistant, epoxy coated, snap lock all steel case.ġ3 pc set includes sizes 1/16”-1/4” by 64ths and comes in rugged, heavy gauge, corrosion resistant, epoxy coated, snap lock all steel case.Ĥ pc large set includes sizes 9/16", 5/8", 3/4" and 1" and comes in blow mold case.ħ pc large set includes sizes 9/16" to 1" by 1/61ths and comes in blow mold case.There is a wide array of specialty drill bits available for use on different types of jobs. They excel at drilling thinner and hardened metals.Ģ9 pc set includes bits from 1/16”-1/2” by 64ths and comes in a strong, lightweight, high-density plastic case that is weatherproof, waterproof and unbreakable. They are recommended for use with cast iron, brass, sheet metal, plastic, aluminum, mild steel, copper, hardened steel and even wood and composites. The three-flatted shanks reduce slippage common with keyless chucks. Bits larger than 1/2" have 1/2" shanks with 3 flats Plus, these bits virtually eliminate burrs and blowout on the exit side. They are perfect for enlarging existing holes without binding or grabbing as the bit exits the material. The 135° split point allows for fast penetration, accurate and easy starting without a center punch. The precision ground point, flutes, body, clearance and drill diameter result in the ultimate in accuracy and performance. This unique tip geometry requires less torque which creates less heat and thus increases tool life.Ĭonstructed from special Hi-Molybdenum tool steel these bits stay sharp up to 4X longer than conventional and other specialty drill bit designs. and allows for laser straight holes in metal and other materials. These Vortex-Point drill bits cut 45% faster than conventional split point drill bits. The multi-stepped tip acts like a step drill which prevents walking on curved surfaces.
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