News

Carbon steel is the backbone of modern manufacturing. From 1018 low-carbon brackets to tough 4140 shafts, it’s likely the material you machine most often. Yet, many shops are still losing money on hole-making because they are stuck using outdated tooling strategies. If you are still relying on high-speed steel (HSS) twist drills for holes larger ... Read more

There is nothing more frustrating than pulling a drill out of a hole and seeing the body friction-welded to the part because an insert failed catastrophically. It’s the nightmare scenario: you’ve scrapped the part, destroyed an expensive drill body, and now the machine is down while you dig out the mess. Often, the blame gets ... Read more

There is nothing worse than the sound of a drill screeching halfway through a deep hole. The machine vibration creates that tell-tale "chatter" on the surface finish, and you know the tool life is plummeting by the second. When this happens, the immediate reaction on the shop floor is usually to back off the feed ... Read more

The most expensive sound in a machine shop isn’t the whir of the spindle or the hum of the conveyor—it’s the sickening "crunch" of a drill failure inside a finished part. In high-production manufacturing, indexable drilling is the backbone of hole-making efficiency. But unlike turning or milling, drilling happens in a semi-enclosed environment. You can’t ... Read more

The sound of a cutting tool failing mid-pass is distinctive—and expensive. It is the sound of downtime, scrapped parts, and profit evaporating from the shop floor. In precision manufacturing, the difference between a profitable run and a logistical headache often comes down to a layer of material thinner than a human hair: the insert coating. ... Read more

In precision manufacturing, the difference between a component that fails in a week and one that lasts for months often comes down to just a few microns of surface material. When you are specifying a coating for cutting tools, molds, or wear parts, you will almost certainly face the choice between PVD (Physical Vapor Deposition) ... Read more

Drilling stainless steel is the ultimate test of patience and tooling. It is notorious for being "gummy" one second and work-hardening into an impenetrable wall the next. If your choice of insert isn't perfect, you aren’t just looking at poor surface finish—you are looking at catastrophic tool failure, snapped drill bodies, and costly downtime. At ... Read more

There is a specific sound every machinist dreads: that high-pitched squeal halfway through a deep hole in a block of 4140 steel. It usually means your insert just failed, and if you don’t hit the feed hold button in the next half-second, you’re looking at a friction-welded drill body and a scrapped part. At Accurate ... Read more

The sound of a drill failing deep inside a part is something you never forget. It’s not just the squeal—it’s that distinct, sickening "crunch" that tells you the insert didn’t just chip; it likely welded to the material and took the expensive drill body out with it. In my 15 years on the shop floor, ... Read more