WalzCraft Industries Concealed Hinge Boring info

WalzCraft will bore your cabinet and furniture doors for 35mm European cup hinges. Most concealed Euro-box hinges, and the face frame concealed hinges too, have a 35mm diameter hinge cup hole. Not all of them. Salice has some 40mm hinges, much more heavy duty. And there are some 26mm hinges out there, more commonly used for glass doors. But if you would like to have your doors bored for the standard 35mm hinge cup, here are your options.

From the diagram below, you can see the HBP100, HBP200, and HBP300 boring methods. If you are using Grass Brand press in-hinges, go with HBP300.

If you are using Blum or Salice press-in hinges (also called knock in), use boring method HBP200.

If you are using screw-on hinges (no extra dowel holes), then go with HBP100. If you do not know which brand of hinge you have or how the dowel placement is on the hinge, best to stick with the HBP100. You can always take the dowels off the hinge and then use it as a screw-on hinge.

So that takes care of the method, but now there is a boring distance measurement to be concerned with.

One word of advice we can safely give is: If you have a face frame application and you are planning a 1/2" overlay, by far the most common method out there for kitchen and bathroom cabinets, go with the 3.0mm boring distance. It will work great.

Now there are face frame concealed hinges of other overlay measurements. Normally for face frame cabinetry, if you stay with the 3.0mm boring, you will be just fine. The 2.5mm bore is known as 3/32nd, and that is the standard bore that Woodmont Doors does. The other door company we are a distributor for.

Now frameless, or Euro box hinge mounting is different. For an explanation, click here. With frameless cabinet, hinge boring distance is much more important. Most hinges will have 1 to 2mm of adjustment to them. If the boring distance is not great enough, you may not achieve the overlay you need. For instance, a 3.0mm boring distance may land you shy of 5/8" OL. Whereas if you select a 6.0mm boring distance, you can just about achieve a 3/4" OL. Cabinet side walls are made from either 5/8" or 3/4" thick board. The term "full overlay" refers to covering that entire edge when the door is in the closed position. So you must measure your wall thickness, you must determine your edge boring distance, and then those two factors actually relate to the door width you will order. You do not want pairs of doors banging into each other. Or having them spaced with a big gap between them. In the Woodmont Doors section of our web site, we have some measuring guidelines to help.

Standard hinge cup depth will be 12.7mm which is 1/2". Doubtful your hinge cups are deeper than that. Unless you have a special application hinge.

On the order form, you can use abbreviations such as BL for bore left, BR for bore right, BP for bore as a pair. For square top doors that can be turned either way to be the top, just saying BORE is good enough. But for arch top doors, it is important to state left or right. And this is when you are facing the front of the door. If bored left, the hinges are on the left edge of the door, it will swing open to the left. That is how it works. Be careful not to get that backwards.

The top and bottom distance of the bored holes will be a standard placement. Unless, you need something other than standard. If so, you can give a boring distance from the top or bottom of the door, or both as an "on center" measurement, abbreviated as OC. Example: top hole needs to be 6" down to the center of the hole - Bore top 6" OC.

The -5.0mm boring is quite unusual. That happens with very narrow frame doors. Not what you want to do.

To view the hinges we have to offer, you can select this link.


Hinge boring infomration for WalzCraft cabinet doors

Put together your order: (these instructions will be shown on each page)

  • a) select a door and drawer front design.
  • b) select your pass profiles for the frame, panel, and edge look you would like.
  • c) select the RTF color that you would like.
  • d) then decide if you need the doors bored for concealed hinges or not (hinge options). You are on this page right now.
  • e) if ordering mullion or frame only doors, still order by design number, but then tell us if frame only, or how many mullion lites, such as ML4 for 4 lites, ML6 for 6 lites, etc.
  • f) send us an on-line quotation request, all pricing is done by quote request - we prefer it via on-line or fax. Pricing is complex and not easy to do over the phone.
  • g) on our order form, enter all of the above info and your quantities and sizes.
  • h) Walzcraft will accept measurements to the 32nd of an inch! Most of the time, you will measure to the sixteenth of an inch.
  • i) If you require refacing sheets or plywood, please see that page also.


Proceed to WalzCraft pages on our site:


Solve your odd size hole center to center problem.
Answers here.

Got 2-3/4", 3-1/2", or any crazy size

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HOME > WALZCRAFT DOORS > Please SELECT from these cabinet door pages while in the WALZCRAFT DOORS section of our website: (Best viewed on a PC)

RTF (Thermal Foil) cabinet door designs | RTF profile choices (the various looks of raised panel doors you can have)
Thermal Foil colors (and there are a lot) | On-line quotation and ordering form
Concealed hinge boring info | Refacing materials (RTF sheets and RTF plywood)
Quality Doors cross reference info predating 2009


When you are ready to place your order, please open our on-line ordering form here
Or you can place a phone order from 9 to 5 Mon-Fri EST, call us at 813-633-7544 or 813-362-7898.
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