[Quick Change] The short drill bit for metal are suitable for side milling, end milling, finish machining, etc. The drill bit set includes 5pcs of drill bits in 5 different sizes to satisfy your demands: 3/32, 1/8, 3/16, 1/4, 5/16-inch. [Premium ] Short length drill bit is made from M2 HSS high speed steel material with evenly distributed carbides for long lasting strength and durability. The drill bit is always sharp at each use. [Twist Design ] Full ground processing and 135 degrees split point clears chips & particles faster it also delivers powerful penetration against the metal plastic wood and other hard surfaces. [Application Widely] The drill bit set 5pcs 3/32-5/16 The drill bit set is more suitable for processing plastics and woods it can be also used for hard metal. Electric hand drill percussion drill bench drill Effectively prevent the accumulation of debris retention high speed operation removal to improve efficiency Nc fine grinding double back Angle effectively improves chip removal performance and makes cutting and drilling faster With corner in narrow space drilling metal wood plastic universal Colour:silver Material:High speed steel + stainless steel + alloy steel Package Contents: 1 set x metal drill bits for steel Only the above package content, other products are not included. Note: Light reflection 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.