Description of π§ HHIP 5000 0019 Speed Center Tool: Efficient and Precise Machining Solution
High speed steel and ground. Plain style. 60 degree countersink angle fits all standard centers. Used for centering work ends, where the work piece is to be revolved on machine centers.
I broke a bolt on the engine block. I had to make a hole in the stud bolt so I could use a bit to pull the bolt out. This center drill cut through the stud bolt like butter and gave me the perfect hole for the extractor.
I am satisfied with my purchase. I've run them through epoxy, wood, composites, aluminum, damask, and stainless steel with no problems. A good buy for the price and I will order again if they ever dull or break like all tools.
Disappointment: I was looking forward to this as M42 cobalt center drill sets are not easy to find. At first I tried using size #1 but it seemed to want to be off center. I took it out of the chuck, examined the end and was surprised to find that the sharpening angles were wrong. On one side, the angle has been found to be correct, and the left side is tilted down. On the other hand, the left side was higher than the right. I checked the other end and it was the same. I checked the rest of theβ¦