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As we’ve seen, there’s no simple answer to the “what’s the best carbide drill bit” question. The solution, therefore, is to consult with a knowledgeable cutting tool supplier. Kick some tires, set aside adequate time for testing, and be sure to document the results. You’ll soon be on the path to more productive and profitable holemaking.

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Machine shops and metal fabricators have long turned to high-speed steel (HSS) and cobalt steel drill bits for their holemaking needs. In fact, the first HSS tools were developed more than a century ago, with cobalt coming along not after. These all-purpose cutting tools are tough, easy to use, and inexpensive, making them a favorite of maintenance and repair facilities, job shops, and manufacturers faced with a wide variety of workpiece materials.

Northern Tool purchased both The Golf Warehouse and The Sportsman's Guide from Redcats in 2012. The operation of both companies were combined, but operated as standalone online retailers.[4] Both subsidiaries were sold to BHG Ventures in 2021.[5]

Northern Tool was founded by Don Kotula when he began selling log splitters out of his garage.[1] He originally worked in heavy equipment sales at Ziegler, but left when the business began slumping during the 1981-82 recession. In addition to log splitters, Kotula sold cylinders, valves, and hydraulics with his family members assisting in the sales and order fulfillment.[1] The company's first brick and mortar store was opened in Burnsville, Minnesota in 1981.[2] The company also mailed its first catalog in 1981. The company launched its website, northerntool.com in 1999.

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2020229 — In general, using a mill as a lathe isn't a great idea. However, it can be done for shorter or simpler operations, or in an absolute pinch.

However, it is no myth that insert selection can completely save or kill the performance on an application. We can spend all day talking about the best insert ...

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By contrast, martensitic 400-series stainless contains less chromium, very little nickel, and higher amounts of carbon. It’s therefore much easier to machine, generating short chips and less heat than other stainless steels. Here, a multi-purpose or universal drill will perform quite well—that is, unless the metal is hardened, in which case a solid carbide drill optimized for that application should be used. Similar advice can be given about drilling in cast irons, alloy steels, aluminums, and superalloys.

Feb 28, 2022 — A lathe is a simplistic device, designed to hold a section of material as a turning tool carves, cuts or shapes it. This is called the workpiece.

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KSEM PLUS™ offers a series of carbide inserts to deliver excellent productivity in all cutting conditions and many materials.

For as long as humans have been manufacturing things (which is a very long time), they've needed to make holes in them. Since around the time of the First Industrial Revolution, that task has been accomplished with drill bits, pencil-shaped hunks of very hard metal that, when rotated, create a round and hopefully accurate hole in the intended workpiece. This brief tutorial will explain why tungsten carbide (WC) is generally considered the first choice for this most important of all cutting tools, the drill bit.

This last point is important to remember. For shops that machine lower production quantities and a wide variety of metals, the right drill is often a universal one as just mentioned. These boast geometries and coatings that perform well in multiple material groups, and as with most solid carbide drills, have coolant through the tool, a productivity-boosting feature no matter what you’re drilling.

The material-specific features of the HPX drill produces consistently higher tool life in steel than competitive tools, even when feeds and speeds are significantly increased.

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The universal application profile of Kenna Universal™ drills reduces tool change times and the number of drills in inventory.

Northern Tool was the sponsor of the NorthernTool.com 250, a NASCAR series race held at the Milwaukee Mile. The race was held in both 1984 and 1985, but then discontinued until 1993 when it resumed through the 2009 season.

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What does Chip Load mean? · Let's define an arbitrary feedrate of 2 000 mm/min. Using the former equation, we find that the spindle has to rotate at 10 000 rpm ...

Northern Tool began its own manufacturing business in 1991 with the launch of its NorthStar brand. Northern manufactures tools such as log splitters, generators, pressure washers, sprayers, pumps, and air compressors.[1] Northern Tool operates two manufacturing facilities along with four distribution centers. Northern Tool + Equipment's nine private label brands make up 40 percent of sales. The company launched a website and mail order catalogue in 2008 called Kotula's, named after the founder.[3]

Yes you can. You want carbide, diamond coated, or diamond like coated tooling. High speed steel will also work, but it will only last for 45' of ...

Ironically, it’s the size of the hole that often determines which of these three styles of drill bit to use. That’s because, for all its many benefits, carbide is a fairly costly material. Cutting tool manufacturers have therefore found that carbide drills larger than 3/4" or so in diameter are prohibitively expensive for most shops. To get around this constraint, some toolmakers offer steel-shank drill bits with brazed carbide tips, or more frequently, so-called “indexable” drill bits.

For higher part volumes, however, a material-specific carbide drill is usually the most effective option. Yes, this means a slightly higher price tag and larger tool inventories, but shops willing to make these small investments are easily reimbursed with better part quality, more predictable machining processes, longer tool life, and lower cost per part. And for any machine shop pursuing a lights-out machining strategy, carbide drills optimized for a specific material or application are a must.

Northern Tool + Equipment (commonly referred to as Northern Tool) is a manufacturer and retailer of light industrial equipment and do-it-yourself supplies. Founded in 1981 as Northern Hydraulics, the company was officially renamed to Northern Tool + Equipment and is the owner of several private label brands including NorthStar, Powerhorse, Klutch, Strongway, Ultra-Tow, Roughneck, Gravel Gear, Bannon and Ironton which make up a portion of its product line. The company purchased The Golf Warehouse and The Sportsman's Guide in 2012 and sold both in August 2021.

The solution for some cutting tool manufacturers has been to develop modular carbide drills. These present a “full solid front” to the workpiece, eliminating any chance of washed-out pockets or insert movement. And although they’re slightly more expensive than their indexable counterparts, these modular tools do an excellent job of straddling the fence between solid carbide and lower cost, less productive alternatives.

That leads us to the question: what are the best solid carbide drill bits for metal? As with so much else in the machining world, the answer depends on the type of metal that you're drilling. The geometries and coatings required for efficient holemaking in aluminum are far different than those needed for stainless steels, cast irons, and heat-resistant superalloys (HRSA). And even within these and other material groups, there can be significant differences in drill selection.

1.0503). The exchangeable cutting inserts made from sintered carbide and marked LCMF 032504 with different cutting geometry were used for experimental machining ...

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As their name describes, indexable drills boast precision-ground carbide inserts that can be indexed to two or more positions. This provides the wear resistance and higher productivity of carbide drilling, but at a more economical price point. However, the relative softness of the steel body surrounding the carbide inserts can eventually create problems like “chip wash” and pocket deformation, leading to premature insert failure.

In this instance, a drill designed for long-chipping materials is needed, with a thinned web and a point gash that will pull chips up and out of the hole. Pay attention to the drill's surface treatment as well—an AlTiN (aluminum titanium nitride) coated tool will stand up to the high amounts of heat generated when drilling 300-series austenitic stainless steels.

Despite this impressive history, there’s just one problem with HSS drill bits: they’re slow. Compared to its more modern counterpart—tungsten carbide—HSS operates at roughly one-fourth the cutting speed and far lower penetration rates besides. Granted, some shops have limited holemaking needs, or only drill soft materials like plastic and wood; unless they’re looking for greater accuracy or extended tool life, HSS is perfectly fine. But for shops interested in maximizing productivity on their CNC lathes and machining centers, solid carbide, indexable, and modular drill bits are the clear choice.

To illustrate, consider the stainless steel family, which is broken down into four classes—austenitic, ferritic, martensitic, and duplex—based on grain structure and chemical composition. The first of these (which itself contains a dozen or so distinct alloys) is high in nickel and chromium, making it extremely tough, corrosion-resistant, and a real bear to drill, solid carbide or no.