3 Pack Irwin 80209 Hanson 4-40 NC Thread HCS Plug Tap and #43 HSS Drill Bit Combo Pack
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3 Pack Irwin 80209 Hanson 4-40 NC Thread HCS Plug Tap and #43 HSS Drill Bit Combo Pack
4-40NC Tap size / # 43 Drill Bit
Designed for hand threading work in a variety of materials
Tap size and drill bit size are etched on each tool for easy identification
First 3 to 5 threads chamfered for general purpose threading
Straight flutes are ground to provide rapid chip removal for efficient threading
High carbon steel plug tap is included to simplify hand tapping, high speed steel drill is included to ensure fast clean drilling, the exact size drill is packaged with the tap to produce a thread with the most desirable qualities of strength and ease of tapping. Carded.