How To Make A Fly Cutter Holder, A Fly Cutter, And A Depth-of-Cut Attachment, To Make Small Gears by Robert Porter
SKU: 57330805281

How To Make A Fly Cutter Holder, A Fly Cutter, And A Depth-of-Cut Attachment, To Make Small Gears by Robert Porter

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Description

How To Make A Fly Cutter Holder, A Fly Cutter, And A Depth-of-Cut Attachment, To Make Small Gears by Robert PorterThis 8 1 2" x 11", 12 page booklet will show you how to make a fly cutter holder; how to make and use a constant profile fly cutter to produce gear teeth with perfect profile symmetry. You are also shown how to make a simple depth of cut attachment for your milling attachment to make it easier to precisely control the depth of cut of the fly cutter. How to make sure the fly cutter is perfectly square to the holder is also illustrated. Useful

This 8 1/2" x 11", 12 page booklet will show you how to make a fly cutter holder; how to make and use a constant profile fly cutter to produce gear teeth with perfect profile symmetry. You are also shown how to make a simple depth-of-cut attachment for your milling attachment to make it easier to precisely control the depth of cut of the fly cutter. How to make sure the fly cutter is perfectly square to the holder is also illustrated.

Useful information about setting your lathe compound to produce the 40 degree included angle on the holder, as well as cutting the .275"/40 thread, to fit the milling attachment for your WW style watchmakers' lathe. The making of a 96 tooth gear with the holder and fly cutter is illustrated as well. The holder can be scaled up to fit other milling attachments. Eighteen pictures, with supporting text and a line drawing will show you what you need to know to make small gears.

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SKU: 57330805281

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jennifer Millage
Grantham, US
★★★★★ 5
Extremely hard and durable
Color: Blue
These are very hard , but my puppy lives them and my large dog can't tear them up, so that is a huge plus.
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Reviewed in the United States on April 8, 2026
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Jazzlyn McClure
Natrona Heights, US
★★★★★ 5
Large breed approved
Color: Blue
these incredible aggressive chew toys – they've seriously been a game-changer for my pups! I know it's a bit late, but better late than never, right? I've got a couple of power chewers at home, a Rottweiler and a Labrador, and anyone with big dogs knows the struggle of finding toys that actually last. These bad boys have been in constant rotation for over a year now, and I'm genuinely impressed by their resilience. They're incredibly tough! Funnily enough, we originally had three, but now we're down to just one. The others aren't broken, though – I'm pretty sure my dogs just loved them so much they've hidden them away in some secret stash, as they tend to do with their favorite treasures! Beyond just being durable, these toys have been a massive help with their training. They’re fantastic for redirecting all that enthusiastic chewing away from my furniture and shoes, which, let's be honest, is a huge win for any pet parent! Considering how long they've held up to some serious chomping, the price point is absolutely spot on. You definitely get great value for your money.watch your toe they are heavy. If you've got a dog that's a champion chewer, you absolutely need to try these out. They're a lifesaver!
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Reviewed in the United States on May 21, 2026
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Verified Purchase
Christine Petrowsky
Belleville, US
★★★★★ 5
Great all around
Color: Blue
We have 4 dogs, lab, pit bull, golden retriever, great dane, I bought 4 sets, they are constantly played and chewed on, and are still around everywhere, great to chew on and play with
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Reviewed in the United States on May 27, 2026
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Jan Keene
Whiting, US
★★★★★ 5
Durable chew toy.
Color: Blue
My dog loves these. She chews on them a lot. She seems to like the different shapes. She is part Pit and an aggressive chewer. These chew toys last a long time. And I love the three pack so if we lose one, we always have a spare.
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Reviewed in the United States on May 27, 2026
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Jay
Belleville, US
★★★★★ 4
Decent durability for the price
Color: Blue
Bought a bunch of these for a dog shelter and have to say - decent for the price of you have aggressive chewers. All of the toys are still going 6+ months later, even with the strongest jawed pitty mix. Does get torn up at the ends but can easily be sanded down for a longer lasting toy, unlike some other hard toys with material not meant for sanding. The antler and ring seem to be favorites. The antler even has a divot so you can put soft treats in it or peanut butter and freeze it for a more interactive experience. Some came with a strong beef/liver smell but not overwhelming or off-putting. They are hefty without being too heavy, less likely to damage floors. Overall a good purchase
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Reviewed in the United States on May 22, 2026

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