How To Cut 45 Degree Angle Wood

Last Updated on Wed, 12 Jun 2019 | Machine-Cut Joint

It pays to use a special jig called a mitre saw to cut larger pieces of wood or moulded sections of framing. The workpiece can be held on edge or flat on the bed of the tool. The saw guide, which can be set to any angle, guarantees accurate joints.

2 Trimming the joint

Hold the work on a mitre shooting board and trim each cut end with a sharp bench plane.

MITRED BUTT JOINT

MACHINE CUT Box-frame mitre joint i tongue

Cutting a flat-frame mitre

Adjust the mitre fence on the table saw to the required angle, usually 45 degrees. Holding the workpiece firmly against the fence, so that it does not get drawn backwards by the saw, feed it towards the blade.

Cutting a box-frame mitre

Tilt the saw blade to 45 degrees to cut a bevel across the board. Set the mitre fence at 90 degrees, and feed the work past the blade.

EXTENDING A TABLE-SAW FENCE

The mitre fence on most table saws is comparatively short, but some are pre-drilled so that you can screw on a longer hardwood face to extend the fence. Feeding this wooden fence into the saw blade for the first time cuts it perfectly to length An extended fence not only provides better control, but stops the grain of a workpiece splitting at the back as it is sawn. If you can't fit a permanent extension, sandwich a piece of scrap wood between the fence and the workpiece.

With either method, use both hands to hold the workpiece against the fence, and feed the work quite slowly into the blade. Clamp to the fence any pieces too small to be held with two hands.

A block of wood clamped to the extension serves as a stop for one end of the workpiece when cutting several pieces of wood to the same length.

Cutting a flat-frame mitre

Cutting a box-frame mitre

Tilt the saw blade to 45 degrees to cut a bevel across the board. Set the mitre fence at 90 degrees, and feed the work past the blade.

Flat-frame mitre joint tongue

Table saws or radial-arm saws make mitring simple, even for compound mitres where the angle is in two planes. Reinforcing mitre joints with solid wood or plywood tongues is also straightforward on a machine; cut the tongue slots before gluing machine-made joints. Centre the groove in a flat-frame mitre, but for a box-frame or cabinet, position the tongue towards the inside of the angle to prevent weak short grain.

2 Cutting the slot

Clamp the work in the jig, with the mitred end flush with the base. Set the saw fence to centre the cut on the ends. Hold the jig firmly against the fence while making the cut.

workpiece

Slotting a box-frame mitre

Set the blade to 45 degrees and adjust it to the correct height. To position the mitre accurately over the blade, butt the other end of the workpiece against a wooden block clamped to the extended mitre fence.

workpiece

1 Making a slotting jig

To slot a flat-frame mitre make a cutting jig that will hold the work securely and keep your hands away from the saw blade. Cut an MDF backing panel about 400 x 250mm (16x1 Oin). Glue and screw offcuts of the framing wood to the panel as shown, setting one to the mitre angle. Ensure all screws are clear of the blade. Fix a steadying block to the opposite face of the panel,

Slotting a box-frame mitre

2 Cutting the slot

Clamp the work in the jig, with the mitred end flush with the base. Set the saw fence to centre the cut on the ends. Hold the jig firmly against the fence while making the cut.

Woodworking Tools and Installation Tips

There are a lot of things that either needs to be repaired, or put together when youre a homeowner. If youre a new homeowner, and have just gotten out of apartment style living, you might want to take this list with you to the hardware store. From remolding jobs to putting together furniture you can use these 5 power tools to get your stuff together. Dont forget too that youll need a few extra tools for other jobs around the house.

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Responses

Valtteri
How work angle table saw?

8 years ago
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Brandon Nicolas
How to cut 45 degree angle wood?

6 years ago
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Lois
How to cut a perfect 45 degree angle end cut on a table saw?

6 years ago
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bertha
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6 years ago
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Robert
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6 years ago
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VIOLA
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6 years ago
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ADELBERT
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6 years ago
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Tanja
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6 years ago
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DIRK
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6 years ago
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doroteo
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6 years ago
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negassi
How to cut 45 degree joint in post?

6 years ago
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eliisa
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4 years ago
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eino
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4 years ago
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marko
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4 years ago
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KATHARINA
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4 years ago
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ellie
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4 years ago
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Christian
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4 years ago
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erica
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4 years ago
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p nikulainen
How to cut flat miter joint box?

4 years ago
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henrik
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4 years ago
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4 years ago
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kirsi
How to make tongue and groove miter joints on 45 degree angle cut stretcher bar?

4 years ago
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3 years ago
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neftalem
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3 years ago
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3 years ago
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3 years ago
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Mario
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3 years ago
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SOPHIA
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3 years ago
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Bandobras
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3 years ago
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zewdi
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JUNIOR
How to cut tongue and groove joints on 45 degree corners?

3 years ago
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3 years ago
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massimo
How to cut a 45 degree angle on a scroll saw?

2 years ago
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CRASSUS PUDDIFOOT
How can joint 45degree angle as a beam?

2 years ago
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laura russell
How to cut boards to match on a 45 degree angle?

2 years ago
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maire
How to cut a grove at 45 degrees?

2 years ago
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pia
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2 years ago
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Honey
Can tongue groove floors be cut at 45 degrees?

2 years ago
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Asfaha
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2 years ago
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Martina
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2 years ago
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tombur
How to cut open ended slots in lenght of wood?

2 years ago
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lucas
How do you cut timber at 45 degree angles?

2 years ago
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PATRICK
How to frame without 45 angle cutting?

2 years ago
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Aili
Can you cut finger joints on a scroll saw?

1 year ago
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Reima
How to cut perfect forty five degree angles on wood?

1 year ago
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MASON
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1 year ago
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Girma Elias
How to cut 45 degree angles for newel posts on table saw?

1 year ago
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eyob
How to cut wood for cabinet at 45 degree angle?

1 year ago
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Marcus Labingi
How to make wood joints using miter saw?

1 year ago
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frank
How to cut a 45 degree angle with a hand saw?

1 year ago
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michael
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1 year ago
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Melissa
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1 year ago
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elisa
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1 year ago
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Rudi Wallace
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1 year ago
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chris
How to do joints for wood 90 degrees?

1 year ago
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semolina
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1 year ago
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Sanelma Himanen
How to cut 45 degree glue blocks on table saw?

1 year ago
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mehari
How to make a jig for making 45 degree cuts?

1 year ago
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concordia
How to make a 45 slot in a square wooden block?

10 months ago
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ralph
How to secure a 45 degree wood joint with 1/4" material?

10 months ago
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adamo
How to cut tounge and groove joins using circular saw?

9 months ago
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michelle
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9 months ago
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bernd hueber
How to cut 45* on a short piece of wood?

9 months ago
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Mewael
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9 months ago
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mikko
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8 months ago
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Gloriana
How to cut a 1' x 12 '' wood board at 45 degres?

8 months ago
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Anna
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8 months ago
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Stefan Schwarz
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8 months ago
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hiwet
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8 months ago
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alesha hill
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8 months ago
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Omar
What is a 45 deg cut at end of wood piece called?

7 months ago
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Lewis
How to figure space for 45 degree bevel cut in wood?

7 months ago
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conlan kennedy
How to make a acurate point on end of wood baton?

7 months ago
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IMMACOLATA TREVISAN
How to cut timber at 45 degrees?

6 months ago
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ponto
What will the length of cut be when cutting a cylinder at 45 degrees?

5 months ago
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maija
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5 months ago
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welde
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5 months ago
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sisko
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5 months ago
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4 months ago
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klaus
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4 months ago
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Mathilda
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4 months ago
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Grossman
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3 months ago
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goodwill
How to cut a 45 degrees groove in wood with a router?

3 months ago
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Pirkko R
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1 month ago
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ALVARO
How to cutmatching 45 on wood?

20 days ago
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naomi
How to make a wooden box with 45 degree joints?

4 days ago
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