Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter

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strongspan stylefontsize 32pxFeaturesspanstrong

span stylefontsize 24px100 Brand New and High Quality
Made from highquality HSS steel
Ideal for using to cut holes in a variety of materials including steel brass wood plastic etc
Titanium coated to reduce mit and heat
Heat treated and highly polished Drills perfectly round holes in steel brass plastic wood etc
6 sided shanks design in order to prevent slippage when in the chuck
Two flute design drives faster smoother and cleaner cuts each step is clearly labeled with the depth diameter in stepsspan

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p stylefontsize 24pxspan stylefontsize 32pxstrongFunctionstrongspanp
p stylefontsize 20pxspan stylefontsize 24pxDeburring Chamfering Cutting or expanding holes
Supporting tools Pistol drill Hand drill Charging drill Bench drillspanp
p stylefontsize 24pxspan stylefontsize 32pxstrongRotating Speedstrongspanp
span stylefontsize 24px312 speed260400
412 speed260400
420 Speed180240span

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p stylefontsize 24pxspan stylefontsize 32pxstrongSuitable Materialstrongspanp
p stylefontsize 20pxspan stylefontsize 24pxWorkpieces with general hardness such as wood plastic PVC plate iron plate plate thickness within 3MM Please note that stainless steel and spring steel are not applicable Not for quenching spanspan stylefontsize 24pxWater injection cooling while working it can effectively extend the service life of the drill bit especially in the case of continuous drillingspanspan stylefontsize 24pxspanp
p stylefontsize 24pxtextalign leftwidth 100 alignleftspan stylefontsize 32pxstrongAttentionstrongspanp
p stylefontsize 20pxspan stylefontsize 24pxBecause the outer diameter of each step of the step drill is gradually expanded then the corresponding cutting resistance and linear velocity will also be gradually increased
Owing to the step drill is completely dependent on the inclined edge that is only with 1mm lengthIf the feed speed is too fast when drillingit will be easier to be annealing caused by abrasion of the oblique edge
Please give a downward force when drilling do not press down too hard to avoid the edge wearingspanp
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p stylefontsize 24pxspan stylefontsize 32pxstrongLengthstrongspanp
p stylefontsize 20pxspan stylefontsize 24px312mm Length Approx 79cm 311
412mm Length Approx 67cm 264
420mm Length Approx 74cm 291spanp
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p stylefontsize 24pxspan stylefontsize 32pxstrongPackage Includesstrongspanp
p stylefontsize 20pxspan stylefontsize 24px1 x Drill Bit 312mm
1 x Drill Bit 412mm
1 x Drill Bit 420mm
1 x Bagspanp