Top 10 Best Metric Step Drill Bit

135 SPLIT POINT TIP Each step down drill bit is made with high strength HSS and is black and cobalt-treated for added durability to ensure long service life and longevity. The design of the tip angle increases cutting speed with self-centering and prevents walking off the surface of workpiece.. 2 FLUTE DESIGN This metric stepper drill bit has a two-flute design that clears chips faster, smoother, and allows particles to escape easily making cleaner holes at any worksite.. TRI-FLATTED SHANK Each unibit optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.. HSS STEP BIT This step up drill bit set cuts through steel, sheet metal, wood, plexiglass, enlarges a hole, and other surfaces creating relatively clean holes with only a small amount of pressure and deburrs as you drill.. MULTIPLE HOLE DRILL BIT 6 millimeter shank 9 steps- 4, 5 , 6, 7, 8 ,9 10, 11, 12 mm,5 steps- 4, 6, 8, 10, 12 mm and 8mm shank 7 steps- 6, 8, 10, 12, 14, 16, 18 mm,10 steps- 4, 6, 8, 10, 12, 14, 16, 18, 20, 22mm and 10mm shank 13 steps- 6, 8, 10, 13, 16, 18, 20, 22, 25, 28, 30, 32, 35 mm..

High speed steel along with titanium coating ensures outstanding durability and sharpness for plastic, aluminum, copper, stainless steel hole drilling. Two-flute design provides faster, smoother, accurate cutting and prevents metal scurf from flying around for improved safety. Quick change 14 hex shank 6.35mmcan be easily fit into power driver, drill and press drill. A well-organized bag included to provide users with easy storage and transport. Set includes Bit 1 5 steps 4mm, 6mm, 8mm, 10mm, 12mm Bit 2 9 steps 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm Bit 3 15 steps 4mm, 6mm, 8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm, 26mm, 28mm,30mm,32mm.

Shank Type 6.3mm Hex Shank Material High Speed Steel with Titanium Coated Drilling Diameters 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm.. This step drill bit is durable and strong enough to punch and drill clean holes in materials like metal, wood, etc.. It can also help to enlarge existing holes and clean edges.. It is Great for drilling holes for iron, metal, aluminum, copper, wood, plastic, PVC board and many other types of sheets.. Suitable for hand-held drilling rigs, drilling machines, milling machines and machining centers, for metal sheet, maintenance and modification, bridge doors and windows, home appliances, etc... Note High temperature will affect the working life, please use coolant while drilling on metals to ensure the drill bit working properly. Please keep it properly preserved. Avoid falling the bits from high place..

Widely UsedPerfect Step Drill Bits suitable for drill holes in various material within 3mm0.12 inch Iron Plate, Copper Plate, Aluminum Plate within 5mm0.2 inch Wood, PVC sheet, Insulation Boards. Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.. MaterialHSS combined with a titanium coating. More capable and durable.. Easy DrillingTwo-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake. SET INCLUDESBit 1 5 steps 4-12mm 4mm, 6mm, 8mm, 10mm, 12mm Bit 2 9 steps 4-20mm 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm Bit 3 15 steps 4-32mm 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm. Package Included 3-Piece HSS Groove Step Drill Bit 4-12 4-20 4-32mm . 14 Hex shaft drives are suitable for all kinds of for home DIY power drills..

Conical bit with a stairstep profile to be used for drilling 19 hole sizes ranging from 4-32mm, to replace 19 individual drill bits. Self-starting, no need of center punch.. Made of high quality HSS high-speed steel 4241 and coated with Titanium for prolonged life.. Commonly used on sheet metal and in general construction. One drill bit can drill the entire range of holes necessary on a countertop, speeding up installation of fixtures.. Ideal for use in electrical work where thin steel, aluminum or plastic boxes and chassis are encountered. The short length of the unibit and ability to vary the diameter of the finished hole is an advantage in chassis or front panel work. The finished hole can often be made quite smooth and burr-free, especially in plastic.. Automatically deburrs holes left by other bits, as the sharp increase to the next step size allows the cutting edge to scrape burrs off the entry surface of the workpiece. Save you time and effort..

Metric HSS Step Drill Bit Size4-32mm 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm for your drilling size.. MaterialMade of high speed steel with titanium coating, ensure our step drills Durability. This also proves the capability and durability of the drill to last through multiple drillings on surfaces such as plastic, aluminum, copper, stainless steel, and so much more.. Easy Drilling118 X-TYPE SPLIT POINT and Two-fluted provide small pressure and make your drilling faster and smoother, a step drill can be used in a variety of hole sizes.High-step design allows you to stop and wont drill big. Widely UsedPerfect Step Drill Bits suitable for drill holes in various material within 3mm0.12 inch Iron Plate, Copper Plate, Aluminum Plate within 5mm0.2 inch Wood, PVC sheet, Insulation Boards. Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.. Package Included1PCS HSS Groove Step Drill Bit 4-32mm. 14 Hex shaft drives are suitable for all kinds of for home DIY power drills..

Premium M35 6 Cobalt Steel ,66-69 HRC Rockwell Hardness Scale ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.. Grinding the Cutting Edge Three Times,with the High HRC and Heat Resistance of the Material,Desigh for Cutting through Stainless steel , Iron plate, Aluminum,Ducts,Wood,PVC and Plastic.. This Cobalt Step Drill Bit is Typically Capable of Running Two to Three Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.. 4-32mm 15 Steps 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm.

Two-flute design, clears chips faster, smooth cutting. The drill tip adopts a 135bifurcated tip design, prevents the step drill bit from slipping during operation.. Titanium plating process to reduce friction and heat. high-speed steel construction and for longer cutting edge life even at extreme temperatures. performs well in heat, corrosion, and rust resistance.. The step drill bit is durable and strong enough to punch and drill clean holes in materials like wood, plastic etc. It can also help to enlarge existing holes and clean edges.. A necessity for family or handyman or professionals. Perfect for home repairs and light jobs such as drilling holes in aluminum, copper, Wood, PVC sheet, Insulation Boards, and many other types of sheet metal.. Suitable for hand-held drilling rigs, drilling machines, milling machines, and machining centers, for metal sheet, maintenance, and modification, bridge doors, and windows, home appliances, etc..

High-quality material Using HSS-Co material, through heat treatment, high hardness and high wear resistance, toughness and bending strength, sharp cutting edge can be obtained, which is the best choice for stainless steel processing.. Size Handle diameter146.35mmStep quantity 9stepsHandle length31mmEdge length50mmStep diameter456789101112mm.. Note Applicable machines pistol drill, bench drill. Water injection cooling while working can effectively extend the life of the drill bit. The recommended drilling speed is 250-400 rpm.. UsageSuitable for drilling holes in workpieces with higher hardness, such as stainless steel, carbon steel, aluminum, iron, etc.. Package Included 1pc HSS-Co Straight Slot Hex Handle Step Drill.

Step Drills and Cone Drill3 piece 5914 step drills 4-122032mm and 1 piece cone drill 8-20mm. Laser marking of step size provide convenient and accurate drilling. Countersink Drill Bits6 piece countersink drill bits 6.3, 8.3, 10.4, 12.4, 16.5, 20.5mm - 90 point, three cutting edges, ideal for deep countersinking. High QualityAll drills are HSS Titanium coated, come with 14 6.35mm hex shank, and are precision ground, heat treatment, and hardened for consistently accurate drilling or enlarging holes into sheet non-ferrous metals, wood and plastics. Multi-Drill Saw Center PunchMulti drill saw 6mm can be used in combination with drills, saws, rotary files, reamers and routers. Automatic brass center punch provides high impact spring-loaded strike when pressed against working surface striking force is adjustable by turning cap. Ergonomic Storage BoxInsert hex shank into black plastic holder at 10-15 first, then push head of product down to fix firmly. Box can be re-used to store other tools by taking out foam inlay.