9/16" BSW High Speed Steel Second Tap 2023055 for starting threads - either

for starting threads - either second or bottoming taps should used after to achieve desire thread depth

10 Hollow punches : 3-4-6-8-10-12-14-16-18-20 mm

Drill diameter 21mm

The Series 7 End Mill provides precision performance and high production rates without chatter

Length 200mm

9/16" BSW High Speed Steel Second Tap 2023055 for starting threads - eitherFor producing precision threads by hand tapping, ideal for through holes, General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 12 Overall length 85mm Cutting length 30mm Drill diameter 12. 1mm