Greenfield Threading 330088 Metric High Speed Steel Jobber Drill Plug Hand Tap Set (18-Piece Set)
- Features:003cbr003e 1:Complete hole drilling, tapping, deburring and countersinking in one operation with power impact tool.003cbr003e 2:Back tapered beyond tap to prevent thread damage from over-drilling.003cbr003e.
- 3:Made from high-speed steel, these combination drill and tap bits are designed to tap up to 10-gauge wood, plastic copper, brass, aluminum, sheet metal and other soft materials. They are not suitable for drill and tap in very hard metals..
- 4:A perfect countersink drill bit set, a perfect tap and die set, two in one, one-step processing, greatly save processing steps and time costs, improve working efficiency..
- 5:High speed steel construction provides extra durability to drill bits to perform multiple drilling operations while maintaining its strength..
- 6:Self-centering point, do not need assistant center drilling or center punching..