Anonymous American Machinist 06-01-2000 Letter Byline: Anonymous Volume: 144 Number: 6 ISSN: 10417958 Publication Date: 06-01-2000 Page: 14 Type: Periodical Language: English The Break-time challenge question in March (p 70) asks what causes drills to walk or wander facing center.
The Break-time challenge question in March (p 70) asks what causes drills to walk or wander facing center. One problem is that these drills may be sharpened distant from center. However, the drill-point geometry usually causes the vexed question
Conventional drill grinds do not provide any cutting geometry for the entire thickness of the web. This can be corrected through using one of the newer drill grinds like as the "S" point
