step drill bit with 10 step sizes: 1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, 1 inch, 1-1/8 inch, 1-1/4 inch, 1-3/8 inch<br>Tri-flatted shank of step drill fits into drill chuck of power tools securely and avoids slide<br>EASY DRILLING: Two-fluted design provides faster, smoother cutting; Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces<br>high speed steel with high capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal<br>Mainly used for drilling thin steel within 3mm and it can be completed a one-time processing according to the need to process different diameter holes<br>A drill can alter the use of more than a bit and do not need to replace the drill bit and positioning holes.<br>Weight: 0.3lb APRX.<br>color:gold<br>Material:HSS<br>Package included:<br>1x Step Drill Bit<br>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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