1. Novel drill bit with characteristic web shape for high efficiency and accuracy. Issue 1 (2018) Authors: Sugita, Naohiko; Oshima, Masaya; Kimura, Katsuyo; Arai, Giichi; Arai, Koichi Journal: CIRP annals Issue: Volume 67:Issue 1(2018) Page Start: 69 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗