Technical Specifications
54
Holdowns
© 2015 MiTek. All rights reserved.
TD/TDX Holdowns
Ref. No. W H D CL Qty Dia. 160%
Δ (in)
8
1-1/2" 2405
0.122
6
3" 4040
0.140
6
3-1/2" 4040
0.140
6
5-1/2" 4040
0.140
6
1-1/2" 4600
0.095
6
3" 8195
0.125
6
3-1/2" 9420
0.139
6
5-1/2" 10510
0.152
6
3" 9330
0.146
6
3-1/2" 10715
0.160
6
4-1/2" 13370
0.169
6
5-1/2" 13500
0.170
6
3" 12070
0.132
6
3-1/2" 13960
0.142
6
4-1/2" 16550
0.185
6
5-1/2" 16550
0.185
6
3" 14505
0.167
6
3-1/2" 16845
0.178
6
4-1/2" 17755
0.202
6
5-1/2" 17755
0.202
6
1-1/2" 1910
0.150
6
3" 2345
0.167
6
3-1/2" 3130
0.140
6
5-1/2" 3130
0.140
6
1-1/2" 2350
0.134
9
3" 3260
0.179
9
3-1/2" 3260
0.179
9
5-1/2" 3260
0.179
9
1-1/2" 2765
0.091
6
3" 5320
0.180
6
3-1/2" 5355
0.182
6
5-1/2" 5355
0.182
6
1-1/2" 4065
0.123
9
3" 7120
0.180
9
3-1/2" 7120
0.180
9
5-1/2" 7120
0.180
9
1-1/2" 5110
0.126
9
3" 7845
0.181
9
3-1/2" 7845
0.181
9
5-1/2" 7845
0.181
9
1-1/2" 6625
0.109
9
3" 11995
0.170
9
3-1/2" 13075
0.181
9
5-1/2" 13075
0.181
9
1
)
Allowable loads shown are for sin
g
le shear connections and ma
y
be doubled for back-to-back installations. The desi
g
ner must verif
y
p
ost
and anchor bolt ca
p
acities.
2
)
Allowable loads have been increased 60% for wind or seismic loads; no further increase shall be
p
ermitted.
3
)
The desi
g
ner must s
p
ecif
y
stud or
p
ost to resist
p
ublished load values.
4
)
The desi
g
ner must s
p
ecif
y
anchor bolt t
yp
e, len
g
th, and embedment.
5
)
All models ma
y
be installed with
g
reater than the re
q
uired anchor end distance with no chart load reduction.
6
)
Deflections are derived from static, monotonic load tests of devices connected to DF wood members and consider both the deflection of
the holdown and cross
g
rain crushin
g
of the wood
p
ost.
7
)
The desi
g
ner shall consider the effect of com
p
ression, bearin
g
, tension, and combined bendin
g
due to device eccentricit
y
when a
pp
licable.
8
)
Holdowns raised off of the sill
p
late ma
y
have hi
g
her deflection values.
9
)
Deflections are derived from static, monotonic load tests of devices connected to a steel
j
i
g
. Additional deflection due to wood shrinka
g
e
and fastener sli
pp
a
g
e should be considered.
New
p
roducts or u
p
dated
p
roduct information are desi
g
nated in blue font.
30,
F31
110
1 17
3/4
7/8
7/8
7/8
3/4
7/8
7/8
7/8
5-1/4
6-1/8
6-1/8
6-1/8
17
6-1/8
30,
F31,
R16
30,
F31,
R16
3-3/8
3-1/2 20-1/2 3-5/8
2
2
2
2
2-1/8
3-1/2 14-5/8 3-3/4
3-1/2 18-1/8 3-3/4
2-1/2 9-3/8 3-7/8
3-1/2 11-1/8 3-3/4
4-3/8
5/8 4-1/2
7/8
17
17
1-1/8
1-1/8
1-1/4
1-1/8
3
4
4
3/42-1/83-3/4
12
10
7
7
2-1/16 8-1/8 2-3/4
7
1-1/2 5/8
2-1/83-1/2 25
3-1/2 20-1/2 4-1/4 2-1/8
32
3
3
4
5
2
2
2
7
7
3
3
TDX14
-- --
-- --
-- --
-- --
-- --
-- --
HD12
HD3B
HD5B
HD7B
HD9B
TDX2-TZ
TDX5
TDX6
TDX8
TDX10
TD5
TD7
3
TD9
TD12
TD15
USP
Stock No.
11
Steel
Gauge
Bolts
Anchor
Bolt
Dia.
Code
Ref.
DF/SP
Allowable Tension
Loads (Lbs.)
1,2,3
Length
of Bolt
in Vertical
Member
Dimensions (in)
Fastener Schedule
4
Min.
Required
Bolt End
Distance
5
5-1/43/46-3/8
3-3/8 11-7/8 3-5/8 2-1/8
16-1/2 4-1/4 2-1/8
7
Corrosion
Finish
Holdowns
Corrosion Finish
Stainless Steel Gold Coat
HDG Triple Zinc
Corrosion Finish Stainless Steel Gold Coat HDG Triple Zinc
Corrosion
Finish
Stainless Steel
Gold Coat
HDG
Triple Zinc