- Standard bits have a 12/32 NEF thread to suit the Stanley machine
- Bits marked UNF fit the Porter Cable Machine eg. Archer
- Extension arbors (96mm long) are copies, Archer etc available to suit both NEF and UNF threads
- TA22 for NEF
- TA24 for UNF
Product Info
- B INCH: 3/4
- B MM: 19
- THREAD: 12/32 NEF
- A INCH: 3/4
- A MM: 19