13-Piece Quick-Change Hex Shank Cobalt Metric Bit Set for Metal

[ADVANTAGE]Special plug hex shank of quick change drill bit is an upgrade version, it shows excellent performace than normal pressed hex shank, avoid drills peeling from the hex shank, effectively keep hex shank locked with drill bits during impact drilling process.Cobalt-containing drills last longer than titanium-containing drills.<br> [FULLY GROUND PROCESS & 135degree SPLIT POINT]Fully ground spiral flute discharge scraps quickly, reduce friction and heat, therefore offers a faster, cooler and more efficient drilling performance; 135degree Split Point with straight shank prevents slippage and makes drilling stable and precise.<br> [SPECIFICATIONS]13pcs cobalt hex shank drill bits set, include 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0, 6.5mm with 1/4 hex shank.<br> No center punch is needed.<br> [QUICK CHANGE]1/4inch hex shank base well fits into majority drill and drill press, more easily and securely installation without slippage and shedding.<br> [MULTIPLE APPLICATION]Small Drill bits for wood, plastic, steel plate(less than equal 5mm), aluminum alloy and other soft metals. perfect choice for DIY projects, household maintenance and repair, NOT for glass, ceramic or concrete drilling.<br> 13 x cobalt hex shank drill bits.<br> The package contains only the items listed above; other products are not included.<br> The measurement allowed error is +/- 1-3cm.<br> Product specifications:<br> Colour:silver<br> Material:high speed steel<br> Please note: Light and different displays may cause the color of the item in the picture a little different from the real thing.