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Manuals & Resources

Jasper Circle Jig Model 240

Brand:|Model: 240
Speaker builders need this tool! The Jasper Model 240 Circle Jig converts your plunge router into a precision circle cutting device—it makes holes from 1" to 18-3/16" in diameter.
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List Price$79.99
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Part # 365-265
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Highlights
  • Makes circles from 1" to 18-3/16" in diameter, in 1/16" increments
  • Pre-drilled to fit most plunge routers
  • No trial cuts required—operates precisely every time
  • Calibrated to read cutout diameter when a 1/4" router bit is used
  • Easy to set up, easy to use
  • Visit www.jaspertools.com for compatibility information

Product Details

Jasper Circle Jig Model 240

Jasper Audio Circle Jig precision router attachments convert your plunge router into a precision circle cutting device. The Model 240 combines the range of the Model 200 and Model 400 jigs into one simple yet accurate tool. It makes round circles at any depth you choose, from countersunk to cut-through, and is perfect for tweeters, midranges, woofers, and even ports and input terminals.

The Jasper Model 240 cuts holes from 1" to 18-3/16" in diameter. This makes it the ideal tool for creating highly accurate cutouts in custom built speaker cabinet baffles. Designed for use with MDF, plywood, particle board, solid woods and plastic sheet. Mounts directly to the base of most popular brands and models of plunge routers, including Bosch, DeWalt, Freud, Hitachi, Porter Cable, Skill, Sears, Ryobi and Makita. Made in the U.S.A.

Compatible Routers:

Black & Decker: RP 200 and SS 1000 RP 

Bosch: 1613, 1450, RA 1166, 1617/1618, 1615   

Craftsman: 1617-12, 17543, 17517 Digital, 17540, 26620, 28084 Professional, 315.268.350

DeWalt: DW 615, DW 616, DW 618, DW 621, DW 625, DW 6182   

Elu: 177

Fein: FT-1800 

Freud: FT 2000, 1700VLE  

Hitachi: M8V, Tr12, M12V, KM12VC   

Makita: 3612C, 3621, RP 1101  

Porter Cable: PC7529, PC690 Series, Pc8529, PC894PK, PC895PK, PC8902/8931

Rigid: R2930 (Plunge)  

Ryobi: RE180PL, Plunge Base, R175, 823, 1825, 1835, 1840, 1845-02  



Jasper Circle Jig Model 240
  • BrandJasper Tools
  • Model240
  • Part Number365-265
  • UPC673046002408
  • Product CategoryCircle Jigs
  • Unit of MeasureEA
  • Product Rating
    (20 Reviews)
  • Weight0.85 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Jasper Circle Jig Model 240
Jasper Circle Jig Model 240 is rated 4.7 out of 5 by 20.
Rated 5 out of 5 by from works like a champI have used this circle cutting jig several times already and it simply makes the most perfect, smoothest, easiest circle in wood ever. One thing to be aware of when using the 1/4" upcut bit; the dimension selected on the template that you put the pin in is the outside diameter of the hole. If you are cutting circular plugs you need to add 1/4" to the diameter to wind up with a circular disc of the right size. If you don't it will be 1/4" small. It was a little of a head scratcher figuring out how to mount the jig onto the router but no problem once that is figured out.
Date published: 2015-06-09
Rated 5 out of 5 by from Flawless circlesI bought this jig for making a visually pleasing way to protect the sub woofers going behind the seat of my truck. It was exactly what I needed to get the perfect circles I was looking for. I have no idea how I ever built boxes without it. When used properly you can cut very precise circles perfectly.
Date published: 2015-01-22
Rated 5 out of 5 by from must haveGreat product to cut holes. Recommended when building speakers.
Date published: 2014-12-28
Rated 5 out of 5 by from Excellent tool for perfect circlesHave used it a couple times already to cut some practice holes and built a couple speaker baffles. Was a bit afraid of the plastic construction but After using it it is plenty tough and should be good for years of use.
Date published: 2014-12-23
Rated 4 out of 5 by from Superb.This product is a very good way of routeing holes but the only issue I have is that the markings for some of the selected holes are difficult to see if they are the ones you need that are where you mount the router to the jig itself ie; the smaller dimensions.
Date published: 2014-11-06
Rated 4 out of 5 by from Solid & Finely MachinedJust got it today and have not used it yet but, for those out there wondering what it's made of exactly it looks like 1/4" Plexiglas with a vinyl backing for all the notations and gray color that you see. I work with sheet plastics of all varieties on a regular basis and I can tell you this jig is quite rigid being made of 1/4" plexi however I would say that if you hit it with some decent force it could break though not exactly fragile either. Overall not to bad, price could be cheaper but keep in mind how many holes they put in it, plus a decent amount of labor as well. Made in the U.S. not China mind you.
Date published: 2014-07-26
  • 2015-08-29T10:02CST
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Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Jasper Circle Jig Model 240

if this jig is made of plastic how can it cut without braking? and is there a 1/2 bit that would fit?

Asked by: ljk2000
This is just designed to function as a guide, which is why the manufacturer recommends using it with a plunge router. No stress is placed on the jig as it is just holding the pin in place. The sizes are all set up for a 1/4 inch bit so using a different size will throw off all of the measurement markings.
Answered by: Chrisf
Date published: 2015-08-11

what kind of material is the Jasper 240 Circle cutting Jig made out of/

Asked by: fredzuki1
These jigs are made from plastic.
Answered by: MattP
Date published: 2014-06-30

is the jasper m240 compatable with skill routers

Asked by: blandyj
The list on our site is all we have but could be out of date. I would recommend contacting Jasper directly to see if they can give you better information.
Answered by: MattP
Date published: 2014-06-10
  • 2015-08-29T08:21CST
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