Technical Specifications

96
Angles & Straps
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HRS / HTP / KST / KSTI / LSTA / LSTI / MSTA / MSTC / ST Strap Ties
Materials: See chart
Finish: G90 galvanizing
Options: See chart for Corrosion Finish Options
Codes: See page 11 for Code Reference Chart
Installation:
• Use all specied fasteners. See Product Notes,
page 17.
• Designer may specify alternate nailing schedules.
Refer to Nail Specication Table on page 20 for
nail shear values.
• The quantity of nails installed shall be equally
distributed to both ends of the strap.
• Bolts must be ordered separately.
See page 24 for available sizes.
Typical LSTA/MSTA
I-Joist on ridge beam
installation
Typical LSTI
open web truss
installation
Min
Ref. No. W L
Qty
4
Type
160% 160%
KST116 ST2115 20 3/4 16-5/16 10
8 16d
665 665
LSTA9 LSTA9 20 1-1/4 9 8 8 10d 740 635
LSTA12 LSTA12 20 1-1/4 12 10 10 10d 930 790
LSTA15 LSTA15 20 1-1/4 15 12 12 10d 1115 950
LSTA18 LSTA18 20 1-1/4 18 14 14 10d 1235 1110
LSTA21 LSTA21 20 1-1/4 21 16
16 10d
1235 1235
LSTA24 LSTA24 20 1-1/4 24 18
16 10d
1235 1235
KST29 ST292 20 1-3/4 9-7/16 14 14 16d 1680 1320
KST213 ST2122 20 1-3/4 12-11/16 18
18 16d
1785 1700
KST216 ST2215 20 1-3/4 15-15/16 22
18 16d
1785 1700
LSTA30 LSTA30 18 1-1/4 30 22
22 10d
1640 1640
LSTA36 LSTA36 18 1-1/4 36 26
22 10d
1640 1640
MSTA9 MSTA9 18 1-1/4 9 8 8 10d 750 645
MSTA12 MSTA12 18 1-1/4 12 10 10 10d 935 810
MSTA15 MSTA15 18 1-1/4 15 12 12 10d 1125 970
MSTA18 MSTA18 18 1-1/4 18 14 14 10d 1310 1130
MSTA21 MSTA21 18 1-1/4 21 16 16 10d 1500 1295
MSTA24 MSTA24 18 1-1/4 24 18 18 10d 1640 1455
LSTI49 LSTI49 18 3-3/4 49 32 32 10d x 1-1/2 3150 2510
LSTI73 LSTI73 18 3-3/4 73 48 48 10d x 1-1/2 4130 3765
ST9 ST9 16 1-1/4 9 8 8 16d 885 760
ST12 ST12 16 1-1/4 11-5/8 10 10 16d 1105 950
ST18 ST18 16 1-1/4 17-3/4 14 14 16d 1395 1335
ST22 ST22 16 1-1/4 21-5/8 18 18 16d 1395 1395
MSTA30 MSTA30 16 1-1/4 30 22 22 10d 2065 1815
MSTA36 MSTA36 16 1-1/4 36 26
26 10d
2065 2065
MSTA48 MSTA49 16 1-1/4 48 32
26 10d
2045 2045
KST218 ST6215 16 1-3/4 19-3/16 26 26 16d 2960 2540
KST224 ST6224 16 1-3/4 22-7/16 30
30 16d
2960 2930
HTP37-TZ HTP37Z 16 3 7 20
20
10d x 1-1/2 1855 1600
36 36 10d 3455 2965
36 34 16d 3860 3320
52
52 10d
4715 4285
52 46 16d 4715 4490
70
60 10d
4715 4715
70 52 16d 4715 4715
KST234 ST6236 14 1-3/4 32-3/16 42
36 16d
3775 3660
88
72 10d
6015 6015
88 62 16d 6015 6015
104
76 10d
6015 6015
104 66 16d 6015 6015
1) Allowable loads have been increased 60% for wind or seismic loads; no further increase shall be permitted.
2) Minimum nail embedment shall be 1-1/2"for 10d nails and 1-5/8"for 16d nails.
3) Total number of nail and/or bolt holes provided in the strap.
4) Minimum quantity of fasteners to be installed with equal fasteners at each end of the connection. Product may have
additional nail holes not needed to meet published allowable load of product.
5) For MSTC straps: 16d sinker nails may be substituted for 10d nails with no reduction in load.
6)
NAILS:
10d x 1-1/2 nails are 0.148"dia. x 1-1/2"long, 10d nails are 0.148"dia. x 3"long, 16d nails are 0.162"dia. x 3-1/2"long.
New products or updated product information are designated in
blue font
.
USP
Stock No.
5
Steel
Gauge
MSTC28 MSTC28 16
MSTC66 MSTC66 14 3
40-1/4
MSTC52 MSTC52 16 3 52-1/4
MSTC40 MSTC40 16 3
MSTC78 MSTC78 14 3 77-3/4
14,
R9,
F7
Code
Ref.
Dimensions (in)
Total
Qty
3
Fastener Schedule
2,6
DF/SP
Allowable Tension
Loads (Lbs.)
1,2
S-P-F/HF
Allowable Tension
Loads (Lbs.)
1,2
Corrosion
Finish
65-3/4
28-1/43
1) Allowable loads have been
increased 60% for wind or
seismic loads; no further
increase shall be permitted.
2) Minimum nail embedment shall
be 1-1/2" for 10d nails and
1-5/8"for 16d nails.
3) Total number of nail and/or bolt
holes provided in the strap.
4) Minimum quantity of fasteners
to be installed with equal
fasteners at each end of the
connection. Product may
have additional nail holes not
needed to meet published
allowable load of product.
5) For MSTC straps: 16d sinker
nails may be substituted for 10d
nails with no reduction in load.
6) NAILS: 10d x 1-1/2 nails are
0.148" dia. x 1-1/2" long, 10d
nails are 0.148" dia. x 3" long,
16d nails are 0.162" dia. x
3-1/2"long.
New products or updated product
information are designated in
blue font.
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
Continued on next page
LTW twist strap
page 101
Angles & Straps