Dormer HSS Duo M4 Plug Tap + A002 Drill Bit

These Dormer 2 piece sets each feature a tap and its corresponding pre-hole drill in one convenient package, helping to save time and error.The packs contain an A002 split-point jobber drill and a straight flute tap. The taps are suitable for threading up to 1.5x their diameter in most materials (ISO Standard). Two tap options are available: Second tap for through drilling, or a plug tap for blind holes.