Leigh Super12 - Choosing Board Width for Box Joints; Box Joint Board Width Charts

BOX JOINTS
58
Chapter 14 Super Jig-12-18-24 User Guide
SuperJig 12
SuperJig 24
SuperJig 18
5/16" 5/8" 8mm 16mm
Pin/Socket width Pin/Socket width Pin/Socket width Pin/Socket width
29
/32
1
9
/16
2
7
/32
2
7
/8
3
17
/32
4
3
/16
4
27
/32
5
1
/2
6
5
/32
6
13
/16
7
15
/32
8
1
/8
8
25
/32
9
13
/32
10
1
/16
10
23
/32
11
3
/8
12
5
/32
12
13
/16
13
15
/32
14
1
/8
14
25
/32
15
7
/16
16
3
/32
16
3
/4
17
13
/32
18
1
/16
18
11
/16
19
11
/32
20
20
21
/32
21
5
/16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
1
1
/4
1
29
/32
2
9
/16
3
7
/32
3
7
/8
4
1
/2
5
5
/32
5
13
/16
6
15
/32
7
1
/8
7
25
/32
8
7
/16
9
3
/32
9
3
/4
10
13
/32
11
1
/16
11
27
/32
12
1
/2
13
5
/32
13
25
/32
14
7
/16
15
3
/32
15
3
/4
16
13
/32
17
1
/16
17
23
/32
18
3
/8
19
1
/32
19
11
/16
20
11
/32
21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
2
9
/16
3
7
/8
5
5
/32
6
15
/32
7
25
/32
9
3
/32
10
13
/32
11
27
/32
13
5
/32
14
7
/16
15
3
/4
17
1
/16
18
3
/8
19
11
/16
21
1
29
/32
3
7
/32
4
1
/2
5
13
/16
7
1
/8
8
7
/16
9
3
/4
11
1
/16
12
1
/2
13
25
/32
15
3
/32
16
13
/32
17
23
/32
19
1
/32
20
11
/32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
32
48
65
82
98
114
131
148
164
181
198
214
231
248
264
281
301
318
334
350
367
383
400
417
433
450
467
483
500
517
533
23
40
56
73
90
106
123
140
156
173
190
206
223
239
256
272
289
309
325
342
359
375
392
409
425
442
459
475
491
508
525
541
65
98
131
164
198
231
264
301
334
367
400
433
467
500
533
48
82
114
148
181
214
248
281
318
350
383
417
450
483
517
Symmetrical Symmetrical Asymmetrical Symmetrical Asymmetrical SymmetricalAsymmetrical Asymmetrical
Board Width - INCHES Board Width - MILLIMETERS
Choose your Board Width:
Choose a joint size from the chart below: "[8mm] or ⅝"[16mm].
For Symmetrical joint board widths: Use the red column.
For Asymmetrical joint board widths: Use the grey column.
The number in the first column (white) for each joint size equals the total number of pins
and sockets for the board width in the red or grey columns.
Board Thickness
Joints may be routed in any board thickness up to ". Boards of different thicknesses
may also be joined.