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  • General Tools & Instruments 55 Heavy Duty Circle Cutter
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General Tools & Instruments 55 Heavy Duty Circle Cutter

77 customer reviews
| 20 answered questions

List Price: $32.19
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Frequently Bought Together

General Tools & Instruments 55 Heavy Duty Circle Cutter + Replacement 1/4" Cutting Blade + General Tools & Instruments 5B Adjustable 1 to 6 Standard Circle Cutter
Price for all three: $49.40

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Product Description

Product Description

This high Speed Steel single wing cutter is easy to sharpen and set up. Center pilot bits keep the tools on center for exact results. Max. speed 500 RPM. Large Circle Cutter for 1-3/4" to 7-7/8" diameter circles. Has 1/4" pilot bit and 1/2" diameter shank.

From the Manufacturer

Works like an adjustable hole saw. This heavy-duty circle cutter most preferred by professionals. 1/2 round shank for drill press use. Replaceable 1/4" high-speed tool steel bit and replaceable 1/4" pilot drill. Capacity 1-3/4" to 7-7/8".


Product Information

Technical Details
Part Number 55
Item Weight11.8 ounces
Product Dimensions5.5 x 4 x 1 inches
California residentsClick here for Proposition 65 warning
Item model number55
Power Sourcecorded-electric
Item Package Quantity1
Number Of Pieces1
  
Additional Information
ASINB00004T7P1
Best Sellers Rank #21,160 in Home Improvement (See top 100)
Shipping Weight14.4 ounces (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableFebruary 4, 2004
  
Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
Warranty, Parts: Parts
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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

38 of 38 people found the following review helpful By WolfX5 on May 28, 2013
Verified Purchase
PRODUCT REVIEW:
I used this to cut plastic rings (7 1/2" outside diameter, 6" inside diameter) out of 3/4" thick, heavy kitchen cutting boards to be used as surrounds for marine speakers. This required two cuts which sounds easy but I wish I had this advice in retrospect. Before I begin with the advice, let me say this circle cutter is EXCELLENT! It's HEAVY DUTY, SHARP, but does make an ungodly whirlwind of shavings from whatever your cutting so lay a big plastic tarp down before you start your first cut and be sure to limit your drill press to no more than 500 RPM. Now the cutting advice.

IMPORTANT CUTTING TIPS:
First, consider the width of the blade. When you're cutting OUTSIDE a circle-shaped line be sure to ADD the blade width to the width of this cutter. When you're cutting INSIDE a circle-shaped line, be sure to SUBTRACT the width of the blade from the circle you want to cut. If you forget this or do this backwards then your circle will be 1/4" larger (or smaller) than you intended.

Second, select your cutting method and consider carefully whether your cutting RINGS or CIRCLES. You'll be able to cut a perfect RING with this tool but if you're cutting CIRCLES you'll have to choose between having small holes in the middle of your work product or a slight lip on the outside edge of your circle.

WHY DO I NEED TO CHOOSE - I JUST WANT TO CUT A SIMPLE CIRCLE?!
The reason you cannot have a perfect circle cut is because it's impossible to secure both the INSIDE and the OUTSIDE of a circle at the same time using this type of tool and a drill press.
Read more ›
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14 of 15 people found the following review helpful By Patrick L. Mccabe on February 28, 2011
Verified Purchase
Update (November 10, 2011):

It has been 9 months since I purchased this item and it just now started smoking and burning (I've cut about 20 large holes in walnut, maple and pine) - so I'm sure the problem is that the blade is getting dull. Not a problem with the product, just a problem with the user not keeping it sharp. I stick to my original review, for the price, this is a good product.

Original review:

I needed to cut several circular holes in a weather station project - read all the reviews and decided, for the price, that I would give this Circle Cutter a try. Here is the good and the not so good:

Pro:
1. Right Price.
2. Quick Delivery.
3. Well made (sturdy), should last for years and years (may have to sharpen).
4. Holes were perfectly circular, smooth and easily cut through 3/4" walnut veneered plywood - no chipping at all.
5. Easy to adjust.

Con:
1. No instructions to speak of - didn't even mention what speed to run my drill press. Had I not noticed, in the Amazon description, that max speed was 500 RPM, I might have let it run a bit faster. As it was, I did notice the limitation and set up my drill press to run at 450 RPM - cut smoothly with no burning.
2. The scale is inaccurate - you will have to use a ruler/tape measure to adjust the size (diameter) you want to cut.

All in all, for the price, this is a great product and I'm pleased with my purchase. I would have given it 5 stars but for the inaccurate scale - this is something that should have been right.

Note: I read the other reviews and noted at least one that mentioned burning - I'll bet this was because he didn't note the 500 RPM limitation. I had zero burning.
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9 of 10 people found the following review helpful By Anchialine on October 30, 2010
Verified Purchase
Does the job. Makes nice, smooth cuts. Note that it must be used in a drill press.
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4 of 4 people found the following review helpful By C140 Driver on May 15, 2013
Verified Purchase
I bought this tool to cut a 4" diameter hole in 3/4" MDO plywood for a dust collection port, After reading reviews on several circle cutters to include the light weight version of this tool by General, I decided on the heavy duty cutter, since I would be cutting almost to the max depth allowed by this cutter. I slowed my drill press down to 360 rpm and it performed flawlessly without chatter.
The trick to a clean hole is to cut half-way through then flip the work piece over and cut from the other side using the hole from the pilot drill bit for alignment.

If you intend to cut material with thickness of 3/8" or less, I think the light weight version of this cutter would work fine. However, for thicker material I would go with the heavy duty cutter.

The cutting blade is thick enough to sharpen on a whetstone or a diamond plate when it dulls, just like a chisel blade.

The cutter is well worth the nominal price and far cheaper than hole saw blades. Just remember, the cutter must be used in a drill press with a max speed of 500 RPM, and if it starts to smoke, slow it down. If it still smokes the blade is dull.

The cutter is well made and the blade can be sharpened like any chisel or plane iron.
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3 of 3 people found the following review helpful By Gordon on June 1, 2014
Verified Purchase
First the obvious. This is not to be used with a hand held drill although I am sure there will be those who either miss that or will attempt it anyway. If you are ok with a crappy hole that takes an hour to drill but much less time to remove most of the flesh from your hands, then give it a shot. In a drill press, as it is supposed to be used it is a great hole cutter. Setting the drill press at 350 rpm and first starting on the back of the piece and then continuing after three quarters of the way through on the front, I could not be happier. I drilled a 4" hole for a dust port for a router table through 3/4" melamine and I was done and attaching the back of project in two minutes. The drill bit and the blade are both replaceable as well as can be resharpened when needed. Allen screws make adjustment a piece of cake. Read the directions and... did I say don't try this cutter with a hand powered drill?
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General Tools & Instruments 55 Heavy Duty Circle Cutter
This item: General Tools & Instruments 55 Heavy Duty Circle Cutter
Price: $22.42
Ships from and sold by Amazon.com

Want to discover more products? Check out these pages to see more: adjustable hole cutter, circle bit, circle blade, two inch round hole saw, adjustable pilot bit, metal hole cutter