“It’s very difficult,’’ Thomas said. “It’s the location of it and the placement of it and the way that the green sits and just how it swallows golf balls. I mean, anything that’s kind of around it that’s running, it’s just going to go right into it.

Rory McIlroy, playing in the Celebration of Champions exhibition featuring past Open champions on Monday, cut his tee shot right of the HOTEL sign and his ball ended in the bushes at the Jigger Inn, a famous pub overlooking the 17th hole.

Standard milling cutters for your mill drill machine are made of high-speed steel (HSS). Tungsten carbide (TC) is more expensive than HSS, but harder, and used for high performance cutting. HSS can withstand high temperatures, but is not as hard as carbide and does not hold an edge as well or last as long.

Spiral or helical teeth (8) are usually found on plain milling cutters more than 3/4 inch in width. A spiral-tooth milling cutter produces a better and smoother finish with less effort. A plain helical-tooth milling cutter is desirable when milling an uneven surface or one with holes in it.

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The 17th is a 495-yard par-4 with a completely blind line off the tee. There is a sign with the hotel’s name — OLD COURSE HOTEL — that serves as an aiming point. Depending on the wind direction, most players aim over the word COURSE. The more aggressive go over the L in HOTEL. That’s a longer carry, but it leaves a better angle to the green.

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The hole is so quirky that Justin Thomas made it a point to bring his fiancée, Jillian Wisniewski, to show her the hole and how bizarre it is.

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“It’s so unique and it’s so cool,’’ Thomas said of 17. “These are definitely the most penal bunkers of any Open Championship I’ve played in.’’

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“I’m like, ‘No, you hit it over the hotel,’ ’’ Thomas said he told her. “She’s like, ‘OK, but not really?’ I’m like, ‘Oh, no, really. You have to hit it over this hotel.’ ’’

“I hit one way right in [the Celebration of Champions] and I was out of bounds by like a yard,” McIlroy said. “Like I felt like I hit it right of the HOTEL and it was just out. So, you can really challenge that right side, but you have to have a lot of trust in your golf swing to do that. But once you get your tee shot away, it then opens up every hole location on that green.”

Metal cutting band saw blade speed is related to feed rate and feed pressure, and customers often ask how to set up a bandsaw for the best cutting results. We have previously looked at installing and breaking in your metal cutting bandsaw blade, so here we’re going to look at how to get the best results by adjusting cutting speed.

Also that year, Jordan Spieth made a critical birdie on 16 to tie for the lead in the final round, but he bogeyed the 17th and missed out on a playoff by one.

Tiger Woods, in 2000, famously avoided every one of the 112 bunkers for all four rounds when he won the first of his three British Opens.

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When McIlroy was reminded that Woods never hit into a single bunker in 2000, he said: “It’s unbelievably impressive, especially when there’s so many tee shots here that are sort of half blind and little bunkers that are so well-placed. I think not going in a bunker for the whole week sort of just shows extreme control of your golf ball.’’

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In addition to the diameter and the number of flutes, milling cutters are also described by their cutting edge configuration and the material from which they are made. An end mill might be described as a “1/4-inch diameter, 2-flute HSS end mill,” and a ball end mill might be described as a “3/8-inch diameter, 4-flute carbide ball end mill.”

The illustration shows a standard milling cutter. Most cutters have similar features that are used to describe them. There are six key features:

Milling cutters descriptions often include shank type and the type of mounting they use. An end mill might be described as having a “straight shank” or a “weldon shank,” or a face mill might be described as having a “shell mill mounting.”

In 2015, the last time the Open was played on the Old Course, No. 17 played 0.655 shots over par. There were more bogeys (217) than pars (203), and just nine birdies.

One of the bunkers is a particular spot of bother, and it happens to be on No. 17, the most difficult hole on the Old Course. No. 17 also happens to be one of the quirkiest holes in major championship history, a hole on which players have to hit their tee shots over part of the Old Course Hotel.

It is not difficult to make perfect cuts with a high quality metal cutting band saw. Every cutting task is made easier by following the correct sequence of operations to ensure safe, efficient, clean and accurate cutting. Let’s look at how to operate your band saw machine to get the best results possible.

Milling cutters can also be described by their intended use or the type of workpiece they are designed to cut. For example, a cutter may be described as a “roughing end mill,” a “finishing end mill,”or a “Woodruff cutter.”

Milling cutters are classified by their shape, the orientation of cutting edges, and number of flutes they have. In most cases, cutters are specially designed and named for the job they best used for.

To get the best results from your mill drill machines when milling and drilling metals, you need to use the correct cutting tools for the job. Selecting and fitting the correct milling tool is essential knowledge for setting up your mill drill machine.

There are a wide variety of milling cutters available and they come in different materials and sizes. Knowing more about milling cutters will help you make cost-effective decisions when purchasing milling tools for your mill drill.

When sizing a milling cutter for a particular job, it can make the cut in a single pass if it is large enough to span the entire work surface. If this cannot be done, remember a small diameter cutter will pass over a surface in a shorter time than a large diameter cutter moving at the same speed.

Some jobs can be done with more than one type of cutter. For example, milling the square end on a shaft or reamer shank can be done with one or two side milling cutters, a fly cutter, or an end milling cutter.

Milling cutters are measured using a combination of their diameter and the number of flutes they have. The diameter of a milling cutter is measured from one side of the cutter to the other, passing through the center of the cutter. The number of flutes is the number of cutting edges that are present on the cutter.

Primary clearance angle (7) is the angle of the land of each tooth measured from a line at right angles to the centerline of the cutter at the cutting edge. This angle prevents each tooth from rubbing against the workpiece after it makes its cut and provides additional clearance for passage of cutting oil and chips.

Defending Open champion Collin Morikawa said his caddie, J.J. Jakovac, tells him to “aim over the COURSE part of OLD COURSE HOTEL, but don’t miss it right of the HOTEL.”

The last two Open winners at St. Andrews have played the hole in a combined 5-over. During the four-hole aggregate playoff in 2015 between eventual winner Zach Johnson, Marc Leishman and Louis Oosthuizen, all three players made bogey.

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If a player plays it too safely and aims farther left, the ball will run through the dogleg-right fairway and into some heavy rough with a poor angle into the narrow green.

The cutting edge usually has 5 degrees primary clearance. Sometimes teeth are manufactured with off-set nicks to break up chips and enable coarser feeds.

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Carbide cutters are better for high precision, but are more brittle than HSS and more easily broken. Cutters can also be made of aluminum or steel with insert teeth made of harder materials to reduce the cost. Some cutters have special hard coatings of polycrystalline diamond (PCD) or cubic boron nitride (CBN) to improve durability.

We previously looked at choosing a metal cutting bandsaw blade, installing & adjusting blades, and breaking them in. Now let’s discuss the features of bimetal