1/2" BSW High Speed Steel Bottoming Tap 16400A60 unique designed oval shaped shank

unique designed oval shaped shank handle bar gives extra strength and durability to the tool4768n 1/2"dr hinge bar 600mm

therefore this part is finished with higher hardness to improve anti-wearstronger spring is adapted to convert the striking power efficiently to twisting power100p-32 phillips bits - #2

5 3A 1983-1987 (Rear)

Threads per inch 5

Taper thread diameter increases or decreases along the length of the thread

1/2" BSW High Speed Steel Bottoming Tap 16400A60 unique designed oval shaped shankFor producing precision threads by hand tapping, ideal for finishing blind 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 89mm Cutting length 29mm Drill diameter 10. 5mm