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45° Lock Miter Router Bit Instructions Set bit height and fence depth 1. Set the initial router bit height by using a piece of your stock as a reference. Align the midpoint of the lock miter cut with the centerline of the workpiece. Your goal is to have A and B equal to each other. Fig. 1. 2. Set the approximate fence depth by visually aligning the fence with the point at which the stock will intersect with the bit’s cutting edge. Fig. 1. Make test cuts, then rout your workpieces 1. You will need to fine-tune the bit height and fence depth settings by making test cuts on scrap pieces that are the same thickness as your workpieces. Note: Use a push stick or push block for safe cutting. 2. Rout the first test piece with the inside face against the router table fence. Fig. 2. 3. Rout the second test piece with the inside face down against the router table. Fig. 3. 4. Adjust the bit height and/or fence depth as necessary until the joint aligns evenly. (See next page.) 5. Machine your project workpieces. Warnings Use only in a table-mounted router at reduced RPMs. Do not bottom out bit in your router collet. Allow at least 1/8" gap. Keep hands clear of bit. Wear eye protection at all times. For easier setups with bit 22627 Rockler offers a dedicated JIG IT setup block (53817) that makes it easier to set your router bit height. Made of durable HDPE, it is profiled for 3/4" material on one side and 5/8" material on the opposing side. Fig. 1 Fig. 2 Fig. 3 A B A B Check Rockler.com for updates. If you have further questions, please contact our Technical Support Department at 1-800-260-9663 or [email protected] Fence position Centerline Centerline 5/8" stock 3/4" stock Fence position 2 1

45° Lock Miter Router Bit Instructions · 2016. 2. 16. · Router Bit Instructions Set bit height and fence depth 1. Set the initial router bit height by using a piece of your stock

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Page 1: 45° Lock Miter Router Bit Instructions · 2016. 2. 16. · Router Bit Instructions Set bit height and fence depth 1. Set the initial router bit height by using a piece of your stock

45° Lock Miter Router Bit Instructions

Set bit height and fence depth1. Set the initial router bit height by using a piece of your stock

as a reference. Align the midpoint of the lock miter cut with the centerline of the workpiece. Your goal is to have A and B equal to each other. Fig. 1.

2. Set the approximate fence depth by visually aligning the fence

with the point at which the stock will intersect with the bit’s cutting edge. Fig. 1.

Make test cuts, then rout your workpieces1. You will need to fine-tune the bit height and fence depth

settings by making test cuts on scrap pieces that are the same thickness as your workpieces.

Note: Use a push stick or push block for safe cutting.

2. Rout the first test piece with the inside face against the router table fence. Fig. 2.

3. Rout the second test piece with the inside face down against the router table. Fig. 3.

4. Adjust the bit height and/or fence depth as necessary until the joint aligns evenly. (See next page.)

5. Machine your project workpieces.

Warnings • Use only in a table-mounted router at reduced RPMs.• Do not bottom out bit in your router collet. Allow at

least 1/8" gap.• Keep hands clear of bit.• Wear eye protection at all times.

For easier setups with bit 22627Rockler offers a dedicated JIG IT setup block (53817) that makes it easier to set your router bit height. Made of durable HDPE, it is profiled for 3/4" material on one side and 5/8" material on the opposing side.

Fig. 1

Fig. 2

Fig. 3

A

B

A

B

Check Rockler.com for updates. If you have further questions, pleasecontact our Technical Support Department at 1-800-260-9663 or [email protected]

Fence position

Centerline Centerline

5/8" stock3/4" stock

Fence position

2

1

Page 2: 45° Lock Miter Router Bit Instructions · 2016. 2. 16. · Router Bit Instructions Set bit height and fence depth 1. Set the initial router bit height by using a piece of your stock

Distributed by Rockler Companies Inc. ©2016 Rockler Woodworking and Hardware

22627, 91722Rev 02/16

Fence

Table

2

2

2

2

2

1

1

1

1

1

If the edge of the miter on Part 1 overhangs the edge of Part 2, lower the bit slightly.

If there are flat spots at the miters and Part 1 overhangs Part 2, move the fence back slightly.

If the edge of the miter on Part 2 extends beyond the edge of Part 1, move the fence forward slightly.

If there are flat spots at the miters and Part 1 doesn’t reach the corner, raise the bit slightly.

Workpiece orientation at router table

Properly fitted lock miter joint

Common misalignment problems and how to fix them