TREND MT/JIG - Cutter & Guide Bush Selection

Cutter &
Guide Bush
Selection
Imperial Jig - UK
 Calculate an
appropriate tenon
width ‘X’ for the
timber width ‘W’
e.g. X =
1
⁄ 4 ” and
choose the
nearest
appropriate tenon
width from the
chart below.
 For the tenon
choose the
appropriate guide
bush diameter ‘D’
from the chart
below for
the tenon width,
e.g. D = 1
1
⁄ 4 ".
Tenon cutter will
always be Ref.
C026.
 For the mortise
choose the
cutter to suit the
tenon width ‘X’
e.g. C008. Guide
bush will always
be the metal
GB254 fitted with
the collar.
Guide Bush
Imperial Diameter Guide Bush Cutter Guide Bush Cutter
XDRef. Ref. Dia (Ref.) Ref.
1
⁄ 4 ” (6.3mm) 1
1
⁄ 4 ” (31.8mm) GB318 Use Use C008
5
⁄ 16 ” (7.9mm) 1
3
⁄ 16 ” (30.2mm) GB302 C026 1”(GB254) C012
3
⁄ 8 ” (9.5mm) 1
1
⁄ 8 ” (28.6mm) GB286 for plus C015
1
⁄ 2 ” (12.7mm) 1” (25.4mm) GB254 all collar C022
5
⁄ 8 ” (15.8mm)
7
⁄ 8 ” (22.2mm) GB222 cuts. C026
Other sizes possible.*
3
⁄ 16 ” (4.8mm) 1
5
⁄ 16 ” (33.3mm) GB333 C003
7
⁄ 16 ” (11.1mm) 1
1
⁄ 16 ” (27mm) GB27 C018A
9
⁄ 16 ” (14.3mm)
15
⁄ 16 ” (23.8mm) GB238 C024
*Guide bushes not included with jig.
TENON
MORTISE
TENON
WIDTH
MT/JIG
-9-
W
X
w
3
D
Ref. GB/COLL/25454
Ref. GB/254
X
Example
Tenon Width (X) = Timber width of (W)
3
⁄ 4 ” (19mm) =
1
⁄ 4 ” (6.3mm)
3
X =
1



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