TAP: UNF 1-3/8″ X 12 3PC SET HAND TAPS

** UNF (Unified National Fine) This is a standard thread form adopted by countries like, USA, Canada and UK. * This is a Taper or First tap which has an 8 thread lead in * * Manufactured from quality HSS-M2 for durability and long service life * Thread Profile: Similar to Metric and is 60deg form * The crest is flat and the thread has a clearance at the root allowing internal and external to mate easily. * This fine thread stripping and is better than the coarse thread when internal and external threads are engaged and subject to load * This tread is also used when there is a limitation on the length of engagement.

* * UNF (Unified National Fine) This is a standard thread form adopted by countries like, USA, Canada and UK. * This is a Taper or First tap which has an 8 thread lead in * * Manufactured from quality HSS-M2 for durability and long service life * Thread Profile: Similar to Metric and is 60deg form * The crest is flat and the thread has a clearance at the root allowing internal and external to mate easily. * This fine thread stripping and is better than the coarse thread when internal and external threads are engaged and subject to load * This tread is also used when there is a limitation on the length of engagement.*

* UNF (Unified National Fine) This is a standard thread form adopted by countries like, USA, Canada and UK. * This is a Taper or First tap which has an 8 thread lead in * * Manufactured from quality HSS-M2 for durability and long service life * Thread Profile: Similar to Metric and is 60deg form * The crest is flat and the thread has a clearance at the root allowing internal and external to mate easily. * This fine thread stripping and is better than the coarse thread when internal and external threads are engaged and subject to load * This tread is also used when there is a limitation on the length of engagement.

* UNF (Unified National Fine) This is a standard thread form adopted by countries like, USA, Canada and UK. * This is a Intermediate or Second tap which has an 4 thread lead in * * Manufactured from quality HSS-M2 for durability and long service life * Thread Profile: Similar to Metric and is 60deg form * The crest is flat and the thread has a clearance at the root allowing internal and external to mate easily. * This fine thread stripping and is better than the coarse thread when internal and external threads are engaged and subject to load * This tread is also used when there is a limitation on the length of engagement.