@article{articlea43b241d, title = {An experimental investigation on wear aspects of tapping operation on hardened steels}, author = {Coelho, Reginaldo Teixeira and Arai, Ricardo and Watanuki, Hugo Martinelli and Borges, Emanuel}, year = {2006}, doi = {10.1080/10910340600710097}, journal = {Machining Science and Technology} }