What does NC stand for in taps?
- What does NC stand for in taps?
National Coarse
- What TAP is best for a blind hole?
Spiral point taps are ideal for machine tapping of through holes, or blind holes where there is enough clearance beyond the threaded portion to accommodate the swarf. SPIRAL FLUTE These taps are used to produce a thread close to the bottom of a blind hole and therefore have a noticeably short lead.