Four Spiral Flute M35 Cobalt Step Drill Bit Set 1/4" - 1-3/8"(19 Sizes),Impact Ready Four Flute Step Drill Bit,3/8" 3-Flat Shank Step Bits for Hole Drilling Cutting on Metal, Steel, Aluminum 1/4" - 1-3/8" M35 step drill bit
Four Spiral Flute M35 Cobalt Step Drill Bit Set 1/4" - 1-3/8"(19 Sizes),Impact Ready Four Flute Step Drill Bit,3/8" 3-Flat Shank Step Bits for Hole Drilling Cutting on Metal, Steel, Aluminum
PANOVOS FOUR SPIRAL FLUTE STEP DRILL BIT These Double-Fluted Step Drill Bits providefaster cutting and drilling than singlo flutobits.The easy-to-read step markings andtargets save time when drilling holes A Tool Box NecessityHigh Speed Steel Durability Two flutes on this Step Drill Bitcut faster and keep bit coolerFast- starting,non-walking drill tip Thick 3/8" 3-Flat Shank won'tround out in the drill chuck fora more positive grip
Product Features
- M35 Cobalt Superhard High Speed Steel: ISI M35/1.3243/SKH55/M35 steel is a kind of high speed steel containing cobalt, which has the characteristics of high wear resistance, high pressure resistance and sintering resistance.
- M35 step drill compatibility : step drills can quickly and smoothly drill holes of different diameters, such as stainless steel, aluminum, wood, plastic board (the board must be thinner than the height of the step drill)
- M35 four spiral groove: step drill four cutting blade design. Faster, smoother cutting and easier separation of sawdust.
- Common sizes: drill bits contain sizes from 1/4 to 1-3/8. Common sizes 7/8, 1-2/16, 1-3/8, minimum size 1/4, maximum size 1-3/8, total 19 sizes
- 135 cutting angle - The increased angle of the drill tip is more suitable for drilling hard materials than 118 . Tip - The temperature of the drill will increase due to high speed rotation. It is suggested to add cutting oil or spray water to cool the drill during continuous operation, which can effectively prolong the service life of the ladder drill.If the product has any quality problems.