8-40 NS HSS Second Tap Spring Wshr 1/2 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 28x380mm

Mesh size 3000

Semi steel chucks made from nodular cast steel with 2 sets (internal & external) solid jaws

Resonator Inlet Position: Center

8-40 NS HSS Second Tap Spring Wshr 1/2 unique designed oval shaped shankVisus 8 40 Ns Hss Second Tap For 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 10 Overall length 112mm Cutting length 37mm Drill diameter 16. 25mm