Use and Care Manual

70
Copyright © 2020 MiTek Industries, Inc. All Rights Reserved
Holdowns
Holdowns
MiTek
®
Product Catalog
HTT Tension Ties
Secures multi-ply studs or posts to mudsills or foundation. Nail
fastening makes for a convenient connection to studs or posts in
cramped retrot installations.
Materials: See chart
Finish: G90 galvanizing
Codes: See chart for code references
Installation:
• Use all specied fasteners to attach the strap portion of the
connector to the side of stud, post, joist, purlin, or beam. Secure
the base to the concrete or masonry wall with specied anchor
bolt. A design professional shall specify the type, length, and
embedment of the anchor bolt.
• HTT45 Max – Fill all round and diamond nail holes.
• Washers are not required on transfer plates that t over the
anchor bolt.
• Tighten anchor bolt nuts nger tight to base plus 1/3 to 1/2
additional turns with a wrench.
• LL930 (#9 X 2-7/8" long) LumberLok Screws are included
with HTT45KT.
HTT16
HTT45
Typical HTT45
max installation
Typical HTT16
installation
Ref. No. W L D CL Qty Dia. Qty Type 160% Δ (in)
4,5
HTT16 HTT4 10 2-1/2 16 2 1-3/8 1-3/4 -- 1 5/8 18 10d 3610 0.142
10d 4215 0.115
16d x 2-1/2 4160 0.108
10d 5795
16d x 2-1/2 5005
HTT45KT
6
HTT5KT 10 2-1/2 16 2 1-3/8 1-3/4 -- 1 5/8 26 LL930 5865 0.113 --
1
)
Allowable loads have been increased 60% for wind or seismic loads; no further increase shall be
p
ermitted.
2
)
16d sinkers ma
y
be substituted for the s
p
ecified 10d common nails with no load reduction.
16d common nails ma
y
be substituted for the s
p
ecified 16d x 2-1/2" nails with no load reduction.
3
)
The desi
g
ner must s
p
ecif
y
anchor bolt t
yp
e, len
g
th and embedment de
p
th.
4
)
Deflections are derived from static, monotonic load tests of devices connected to DF wood members with s
p
ecified fasteners.
5
)
HTT holdowns raised off of the sill
p
late ma
y
have hi
g
her deflection values.
6
)
HTT45KT is sold as a kit and includes
(
1
)
HTT45 and
(
26
)
LL930 screws.
7
)
NAILS: 10d nails are 0.148" dia. x 3" lon
g
, 16d x 2-1/2" nails are 0.162" dia. x 2-1/2" lon
g
.
Min
HTT45
1 5/8
1 5/8
HTT4,
HTT5
1-3/42-1/2 16 2
Max 0.101
Steel
Gauge
Dimensions (in)
MiTek USP
Stock No.
Code
Ref.
1-3/810
Nail
Spacing
IBC,
FL,
LA
Anchor
Bolt
3
Strap
2,3,7
18
26
DF/SP
Allowable Tension
Loads (Lbs.)
1
Fastener Schedule
Min/
Max
W
L
D
CL
W
L
Standard round
nail holes for
minimum nailing
Additional
diamond holes
for maximum
nailing
D
CL