7/16" UNC HSS Taper Hand Tap Sutton 080700 koken 3/4"dr deep socket -

koken 3/4"dr deep socket - 12 point - 30mm single item

This problem is typically solved by adjusting the cutting conditions to suit the material group

3/8" Diameter mounts

koken 3/4"dr socket - 6 point - 21/2" single item

Using inserts that are periphery ground and have built in wipers

7/16" UNC HSS Taper Hand Tap Sutton 080700 koken 3/4"dr deep socket -For producing precision threads by hand tapping, for starting threads either second or bottoming taps should used after to achieve desire thread depth. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 14 Overall length 85mm Cutting length 25mm Drill diameter 9. 4mm