Straps & Ties
Straps & Ties
HRS/ST/PS/HST/HTP/LSTA/LSTI/MST/MSTA/MSTC/MSTI Strap Ties CODES: See page 12 for Code Reference Key Chart. These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.
2³⁄₈" End Distance
These products are approved for installation with the Strong-Drive ® SD Connector screw. See page 27 for more information.
LSTA9 LSTA12 LSTA15 LSTA18 LSTA21 LSTA24 ST292 ST2122 ST2115 ST2215 LSTA30 LSTA36 LSTI49 LSTI73 MSTA9 MSTA12 MSTA15 MSTA18 MSTA21 MSTA24 MSTA30 MSTA36 MSTA49 ST6215 ST6224 ST9 ST12 ST18 ST22 MSTC28 MSTC40 MSTC52 HTP37Z MSTC66 MSTC78 ST6236 HRS6 HRS8 HRS12 MSTI26 MSTI36 MSTI48 MSTI60 MSTI72 HRS416Z
Ga
20
18
16
14
12
Dimensions W 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 2 1⁄16 2 1⁄16 3 ⁄4 2 1⁄16 1 1⁄4 1 1⁄4 3 3⁄4 3 3⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 2 1⁄16 2 1⁄16 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 3 3 3 3 3 3 2 1⁄16 1 3⁄8 1 3⁄8 1 3⁄8 2 1⁄16 2 1⁄16 2 1⁄16 2 1⁄16 2 1⁄16 3 1⁄4
Fasteners (Total)
L 9 8-10d 12 10-10d 15 12-10d 18 14-10d 21 16-10d 24 18-10d 9 5⁄16 12-16d 12 13⁄16 16-16d 16 5⁄16 10-16d 16 5⁄16 20-16d 30 22-10d 36 24-10d 49 32-10dx1 1⁄2 73 48-10dx1 1⁄2 9 8-10d 12 10-10d 15 12-10d 18 14-10d 21 16-10d 24 18-10d 30 22-10d 36 26-10d 49 26-10d 16 5⁄16 20-16d 23 5⁄16 28-16d 9 8-16d 11 5⁄8 10-16d 17 3⁄4 14-16d 21 5⁄8 18-16d 28 1⁄4 36-16d sinkers 40 1⁄4 52-16d sinkers 52 1⁄4 62-16d sinkers 7 20-10dx1 1⁄2 65 3⁄4 76-16d sinkers 77 3⁄4 76-16d sinkers 33 13⁄16 40-16d 6 6-10d 8 10-10d 12 14-10d 26 26-10dx1 1⁄2 36 36-10dx1 1⁄2 48 48-10dx1 1⁄2 60 60-10dx1 1⁄2 72 72-10dx1 1⁄2 16 16-SDS 1⁄4"x1 1⁄2"
Allowable Tension Loads (DF/SP)
Allowable Tension Loads (SPF/HF)
(160) 740 925 1110 1235 1235 1235 1265 1530 660 1875 1640 1640 2975 4205 750 940 1130 1315 1505 1640 2050 2050 2020 2095 2540 885 1105 1420 1420 3455 4745 4745 1850 5860 5860 3845 605 1010 1415 2745 3800 5065 5080 5080 2835
(160) 635 795 950 1110 1235 1235 1120 1505 660 1875 1640 1640 2555 3830 645 810 970 1130 1290 1455 1820 2050 2020 1900 2540 760 950 1330 1420 2980 4305 4745 1600 5860 5860 3845 525 880 1230 2325 3220 4290 5080 5080 2305
Code Ref.
Typical LSTA Installation (Hanger not shown) Bend strap one time only, max 12/12 joist pitch.
I4, L3, L5, F2
Material Dim. Bolts Code Model Thickness Ref. No. Gauge W L Qty Dia 3 PS218 2 18 4 ⁄4 7 ga PS418 4 18 4 3⁄4 180 PS720 6 3⁄4 20 8 1⁄2
F2, L3, L5 I4, IL14, L3, L5, F2 I4, L3, L5, F2
1. PS strap design loads must be determined by the Designer for each installation. Bolts are installed both perpendicular and parallel to-grain. Hole diameter in the part may be oversized to accommodate the HDG. Designer must determine if the oversize creates an unacceptable installation. 2. For allowable tension loads, see page 230.
Straps & Ties
C-C-2015 © 2015 SIMPSON STRONG-TIE COMPANY INC. PRINTED 12/14
Model No.
Beam and Strap
I4, L3, L5, F2
L5 I4, L3, L5, F2
PS
L5, F26
I4, L3, L5, F2
170
1. Loads include a 60% load duration increase on the fasteners for wind or earthquake loading. 2 10dx1 1⁄2" nails may be substituted where 16d sinkers or 10d are specified at 100% of the table loads except where straps are installed over sheathing. 3. 10d commons may be substituted where 16d sinkers are specified at 100% of table loads. 4. 16d sinkers (0.148" dia. x 3 1⁄4" long) or 10d commons may be substituted where 16d commons are specified at 0.84 of the table loads. 5. Use half of the nails in each member being connected to achieve the listed loads. 6. Tension loads apply for uplift when installed vertically. 7. NAILS: 16d = 0.162" dia. x 3 1⁄2" long, 16d Sinker = 0.148" dia. x 3 1⁄4" long, 10d = 0.148" dia. x 3" long. 10dx1 1⁄2 = 0.148" dia. x 1 1⁄2" long. See pages 22-23 for other nail sizes and information.
Typical PS720 Installation
187
Straps & Ties
HST/MST/MSTC/MSTA Strap Ties CODES: See page 12 for Code Reference Key Chart. These products are approved for installation with the Strong-Drive ® SD Connector screw. See page 27 for more information.
Floor-to-Floor Clear Span Table
MSTA49 MSTC28
MSTC40
MSTC52
MSTC66
MSTC78
MST37
MST48
Straps & Ties
MST60
MST72
Clear Span
Fasteners (Total)
Allowable Tension Loads (DF/SP)
Allowable Tension Loads (SPF/HF)
(160)
(160)
18
26-10d
2020
2020
16
26-10d
2020
2020
18
12-16d sinkers
1155
995
16
16-16d sinkers
1540
1325
24
20-16d sinkers
2310
1985
18
28-16d sinkers
2695
2320
16
32-16d sinkers
3080
2650
24
36-16d sinkers
3465
2980
18
44-16d sinkers
4235
3645 3975
16
48-16d sinkers
4620
30
48-16d sinkers
4780
4120
24
54-16d sinkers
5380
4640
18
64-16d sinkers
5860
5495
16
68-16d sinkers
5860
5840
30
64-16d sinkers
5860
5495
24
72-16d sinkers
5860
5860
18
76-16d sinkers
5860
5860 1495
24
14-16d
1725
18
20-16d
2465
2135
16
22-16d
2710
2345
24
26-16d
3215
2780
18
32-16d
3960
3425
16
34-16d
4205
3640
30
34-16d
4605
3995
24
40-16d
5240
4700
18
46-16d
6235
5405
30
48-16d
6505
5640
24
54-16d
6730
6345
18
62-16d
6730
6475
Nails are not required in the rim board area.
Stitch nailing of double studs by others
an r Sp Clea
Typical Detail with Strap Installed Over Sheathing Floor-to-Floor Tie Installation showing a Clear Span
These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.
Model No.
Dimensions
Allowable Tension Loads (DF/SP)
Fasteners (Total)
Ga
Bolts
Bolts
Nails
Bolts
Dia
(160)
(160)
(160)
(160)
⁄2
3700
2165
3200
2000
⁄2
5080
3025
4480
2805
⁄2
5310
3675
5190
3410
⁄2
6730
4485
6475
4175
⁄2
6730
4485
6475
4175
⁄8
—
5220
—
4835
⁄8
—
10650
—
9870
⁄4
—
7680
—
6660
⁄4
—
15470
—
13320
L
Nails
2 1⁄16
27
30-16d
4
1
2 1⁄16
37 1⁄2
42-16d
6
1
MST48
2 1⁄16
48
50-16d
8
1
MST60
2 1⁄16
60
68-16d
10
1
2 1⁄16
72
68-16d
10
1
1
2 ⁄2
21 ⁄4
—
6
5
5
21 1⁄4
—
12
5
3
25 1⁄2
—
6
3
6
25 1⁄2
—
12
3
MST37
MST72 HST2 HST5 HST3 HST6
12
10 7 3
1
Qty
Allowable Tension Loads (SPF/HF)
Nails
W
MST27
1. Loads include a 60% load duration increase on the fasteners for wind or earthquake loading. 2. Install bolts or nails as specified by Designer. Bolt and nail values may not be combined. 3. Allowable bolt loads are based on parallel-to-grain loading and these minimum member thicknesses: MST–2 1⁄2"; HST2 and HST5–4"; HST3 and HST6–4 1⁄2". 4. Use half of the required nails in each member being connected to achieve the listed loads. 5. When installing strap over wood structural panel sheathing, use 2 1⁄2" long nail minimum. 6. Tension loads apply for uplift as well when installed vertically. 7. NAILS: 16d = 0.162" dia. x 3 1⁄2" long, 16d Sinker = 0.148" dia. x 3 1⁄4" long, 10dx1 1⁄2 = 0.148" dia. x 1 1⁄2" long. See pages 22-23 for other nail sizes and information.
188
When nailing the strap over OSB/plywood, use a 2 1⁄2" long nail minimum.
Code Ref.
I4, L3, F2
C-C-2015 © 2015 SIMPSON STRONG-TIE COMPANY INC. PRINTED 12/14
Model No.
HRS/ST/PS/HST/HTP/LSTA/LSTI/MST/MSTA/MSTC/MSTI Strap Ties CODES: See page 12 for Code Reference Key Chart. These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.
2³⁄₈" End Distance
These products are approved for installation with the Strong-Drive ® SD Connector screw. See page 27 for more information.
LSTA9 LSTA12 LSTA15 LSTA18 LSTA21 LSTA24 ST292 ST2122 ST2115 ST2215 LSTA30 LSTA36 LSTI49 LSTI73 MSTA9 MSTA12 MSTA15 MSTA18 MSTA21 MSTA24 MSTA30 MSTA36 MSTA49 ST6215 ST6224 ST9 ST12 ST18 ST22 MSTC28 MSTC40 MSTC52 HTP37Z MSTC66 MSTC78 ST6236 HRS6 HRS8 HRS12 MSTI26 MSTI36 MSTI48 MSTI60 MSTI72 HRS416Z
Ga
20
18
16
14
12
Dimensions W 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 2 1⁄16 2 1⁄16 3 ⁄4 2 1⁄16 1 1⁄4 1 1⁄4 3 3⁄4 3 3⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 2 1⁄16 2 1⁄16 1 1⁄4 1 1⁄4 1 1⁄4 1 1⁄4 3 3 3 3 3 3 2 1⁄16 1 3⁄8 1 3⁄8 1 3⁄8 2 1⁄16 2 1⁄16 2 1⁄16 2 1⁄16 2 1⁄16 3 1⁄4
Fasteners (Total)
L 9 8-10d 12 10-10d 15 12-10d 18 14-10d 21 16-10d 24 18-10d 9 5⁄16 12-16d 12 13⁄16 16-16d 16 5⁄16 10-16d 16 5⁄16 20-16d 30 22-10d 36 24-10d 49 32-10dx1 1⁄2 73 48-10dx1 1⁄2 9 8-10d 12 10-10d 15 12-10d 18 14-10d 21 16-10d 24 18-10d 30 22-10d 36 26-10d 49 26-10d 16 5⁄16 20-16d 23 5⁄16 28-16d 9 8-16d 11 5⁄8 10-16d 17 3⁄4 14-16d 21 5⁄8 18-16d 28 1⁄4 36-16d sinkers 40 1⁄4 52-16d sinkers 52 1⁄4 62-16d sinkers 7 20-10dx1 1⁄2 65 3⁄4 76-16d sinkers 77 3⁄4 76-16d sinkers 33 13⁄16 40-16d 6 6-10d 8 10-10d 12 14-10d 26 26-10dx1 1⁄2 36 36-10dx1 1⁄2 48 48-10dx1 1⁄2 60 60-10dx1 1⁄2 72 72-10dx1 1⁄2 16 16-SDS 1⁄4"x1 1⁄2"
Allowable Tension Loads (DF/SP)
Allowable Tension Loads (SPF/HF)
(160) 740 925 1110 1235 1235 1235 1265 1530 660 1875 1640 1640 2975 4205 750 940 1130 1315 1505 1640 2050 2050 2020 2095 2540 885 1105 1420 1420 3455 4745 4745 1850 5860 5860 3845 605 1010 1415 2745 3800 5065 5080 5080 2835
(160) 635 795 950 1110 1235 1235 1120 1505 660 1875 1640 1640 2555 3830 645 810 970 1130 1290 1455 1820 2050 2020 1900 2540 760 950 1330 1420 2980 4305 4745 1600 5860 5860 3845 525 880 1230 2325 3220 4290 5080 5080 2305
Code Ref.
Typical LSTA Installation (Hanger not shown) Bend strap one time only, max 12/12 joist pitch.
I4, L3, L5, F2
Material Dim. Bolts Code Model Thickness Ref. No. Gauge W L Qty Dia 3 PS218 2 18 4 ⁄4 7 ga PS418 4 18 4 3⁄4 180 PS720 6 3⁄4 20 8 1⁄2
F2, L3, L5 I4, IL14, L3, L5, F2 I4, L3, L5, F2
1. PS strap design loads must be determined by the Designer for each installation. Bolts are installed both perpendicular and parallel to-grain. Hole diameter in the part may be oversized to accommodate the HDG. Designer must determine if the oversize creates an unacceptable installation. 2. For allowable tension loads, see page 230.
Straps & Ties
C-C-2015 © 2015 SIMPSON STRONG-TIE COMPANY INC. PRINTED 12/14
Model No.
Beam and Strap
I4, L3, L5, F2
L5 I4, L3, L5, F2
PS
L5, F26
I4, L3, L5, F2
170
1. Loads include a 60% load duration increase on the fasteners for wind or earthquake loading. 2 10dx1 1⁄2" nails may be substituted where 16d sinkers or 10d are specified at 100% of the table loads except where straps are installed over sheathing. 3. 10d commons may be substituted where 16d sinkers are specified at 100% of table loads. 4. 16d sinkers (0.148" dia. x 3 1⁄4" long) or 10d commons may be substituted where 16d commons are specified at 0.84 of the table loads. 5. Use half of the nails in each member being connected to achieve the listed loads. 6. Tension loads apply for uplift when installed vertically. 7. NAILS: 16d = 0.162" dia. x 3 1⁄2" long, 16d Sinker = 0.148" dia. x 3 1⁄4" long, 10d = 0.148" dia. x 3" long. 10dx1 1⁄2 = 0.148" dia. x 1 1⁄2" long. See pages 22-23 for other nail sizes and information.
Typical PS720 Installation
187
Straps & Ties
HST/MST/MSTC/MSTA Strap Ties CODES: See page 12 for Code Reference Key Chart. These products are approved for installation with the Strong-Drive ® SD Connector screw. See page 27 for more information.
Floor-to-Floor Clear Span Table
MSTA49 MSTC28
MSTC40
MSTC52
MSTC66
MSTC78
MST37
MST48
Straps & Ties
MST60
MST72
Clear Span
Fasteners (Total)
Allowable Tension Loads (DF/SP)
Allowable Tension Loads (SPF/HF)
(160)
(160)
18
26-10d
2020
2020
16
26-10d
2020
2020
18
12-16d sinkers
1155
995
16
16-16d sinkers
1540
1325
24
20-16d sinkers
2310
1985
18
28-16d sinkers
2695
2320
16
32-16d sinkers
3080
2650
24
36-16d sinkers
3465
2980
18
44-16d sinkers
4235
3645 3975
16
48-16d sinkers
4620
30
48-16d sinkers
4780
4120
24
54-16d sinkers
5380
4640
18
64-16d sinkers
5860
5495
16
68-16d sinkers
5860
5840
30
64-16d sinkers
5860
5495
24
72-16d sinkers
5860
5860
18
76-16d sinkers
5860
5860 1495
24
14-16d
1725
18
20-16d
2465
2135
16
22-16d
2710
2345
24
26-16d
3215
2780
18
32-16d
3960
3425
16
34-16d
4205
3640
30
34-16d
4605
3995
24
40-16d
5240
4700
18
46-16d
6235
5405
30
48-16d
6505
5640
24
54-16d
6730
6345
18
62-16d
6730
6475
Nails are not required in the rim board area.
Stitch nailing of double studs by others
an r Sp Clea
Typical Detail with Strap Installed Over Sheathing Floor-to-Floor Tie Installation showing a Clear Span
These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.
Model No.
Dimensions
Allowable Tension Loads (DF/SP)
Fasteners (Total)
Ga
Bolts
Bolts
Nails
Bolts
Dia
(160)
(160)
(160)
(160)
⁄2
3700
2165
3200
2000
⁄2
5080
3025
4480
2805
⁄2
5310
3675
5190
3410
⁄2
6730
4485
6475
4175
⁄2
6730
4485
6475
4175
⁄8
—
5220
—
4835
⁄8
—
10650
—
9870
⁄4
—
7680
—
6660
⁄4
—
15470
—
13320
L
Nails
2 1⁄16
27
30-16d
4
1
2 1⁄16
37 1⁄2
42-16d
6
1
MST48
2 1⁄16
48
50-16d
8
1
MST60
2 1⁄16
60
68-16d
10
1
2 1⁄16
72
68-16d
10
1
1
2 ⁄2
21 ⁄4
—
6
5
5
21 1⁄4
—
12
5
3
25 1⁄2
—
6
3
6
25 1⁄2
—
12
3
MST37
MST72 HST2 HST5 HST3 HST6
12
10 7 3
1
Qty
Allowable Tension Loads (SPF/HF)
Nails
W
MST27
1. Loads include a 60% load duration increase on the fasteners for wind or earthquake loading. 2. Install bolts or nails as specified by Designer. Bolt and nail values may not be combined. 3. Allowable bolt loads are based on parallel-to-grain loading and these minimum member thicknesses: MST–2 1⁄2"; HST2 and HST5–4"; HST3 and HST6–4 1⁄2". 4. Use half of the required nails in each member being connected to achieve the listed loads. 5. When installing strap over wood structural panel sheathing, use 2 1⁄2" long nail minimum. 6. Tension loads apply for uplift as well when installed vertically. 7. NAILS: 16d = 0.162" dia. x 3 1⁄2" long, 16d Sinker = 0.148" dia. x 3 1⁄4" long, 10dx1 1⁄2 = 0.148" dia. x 1 1⁄2" long. See pages 22-23 for other nail sizes and information.
188
When nailing the strap over OSB/plywood, use a 2 1⁄2" long nail minimum.
Code Ref.
I4, L3, F2
C-C-2015 © 2015 SIMPSON STRONG-TIE COMPANY INC. PRINTED 12/14
Model No.
