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Main => Woodworking => Topic started by: quakebo on March 10, 2016, 11:35:22 am

Title: 3/8" slot
Post by: quakebo on March 10, 2016, 11:35:22 am

I am going to use this slot cutting bit http://www.wealdentool.com/acatalog/Online_Catalogue_Groover_134.html (http://www.wealdentool.com/acatalog/Online_Catalogue_Groover_134.html) (t5420) so would I need a 3/8" guide bearing to make a slot 3/8" deep?  If not what size guide bearing for 3/8" slot depth.

Title: Re: 3/8" slot
Post by: lamprey on March 10, 2016, 12:36:21 pm

No to the 3/8" bearing. If you want  3/8" deep that is 9.525 mm. They list two bearings that are more or less than that. I don't see anything that is precisely what you want, but I may not have looked super hard:


TB870 - 9mm Depth - 22mm diam
9.525mm Depth -- What you want
TB760 - 10mm depth - 20mm diam

Title: Re: 3/8" slot
Post by: quakebo on March 10, 2016, 01:17:28 pm

thanks for the reply's but I can not find one with a 1/4" hole to fit it onto the arbor.
I can not find one at 9.525mm so would 10mm do? 

Title: Re: 3/8" slot
Post by: lilshawn on March 10, 2016, 03:16:38 pm

http://www.ebay.com/itm/FS-Tools-R4002-Slotting-Cutter-1-7-8-Dia-5-64-Kerf-MA-80-/361475895839?hash=item5429a4721f:g:N6wAAOSwgkRVUNma (http://www.ebay.com/itm/FS-Tools-R4002-Slotting-Cutter-1-7-8-Dia-5-64-Kerf-MA-80-/361475895839?hash=item5429a4721f:g:N6wAAOSwgkRVUNma)

it's best to buy them as a set so they are machined to fit together. most have a 5/16ths hole.

Title: Re: 3/8" slot
Post by: quakebo on March 10, 2016, 06:50:34 pm

thanks for that but I would like to buy from the uk.  and also it is the bearing I am looking for.

Title: Re: 3/8" slot
Post by: lamprey on March 11, 2016, 11:55:54 am

Quote from: quakebo on March 10, 2016, 01:17:28 pm

thanks for the reply's but I can not find one with a 1/4" hole to fit it onto the arbor.
I can not find one at 9.525mm so would 10mm do?

I'd guess that it's work. I don't know how accurate that site is, but when looking at the Groover, they have a link to the Guide Bearings. If the chart is right, then the TB760 - 10mm  is the one you want. But, you'd want to double check to verify they work together. Maybe email them and verify with them, since they should know.

Title: Re: 3/8" slot
Post by: quakebo on March 11, 2016, 01:00:26 pm

ok thank you.  I have been emailing them and they told me witch bits to get for what I want so all sorted now.

Title: Re: 3/8" slot
Post by: lilshawn on March 11, 2016, 02:40:47 pm

which sizes or parts did you order (for posterities sake) it will help out someone else in the future.

Title: Re: 3/8" slot
Post by: quakebo on March 11, 2016, 04:59:03 pm

I went with theses bit witch will give me two slot's 10mm deep and 1.5mm and 2mm wide.

http://www.wealdentool.com/ (http://www.wealdentool.com/)

arbor part number T3010
bearing part number TB760
groover part number T5415
groover part number t5420