MSTI Strap Tie

Floor-to-Floor Clear Span Table

   These models are approved for installation with the Strong-Drive® SD Connector screw. See the load values below.

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 other nail sizes and information.

Load Values with Nails

    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.

   These models are approved for installation with the Strong-Drive® SD Connector screw. See the load values below.

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 other nail sizes and information.

Load Values with Nails

    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.

   These models are approved for installation with the Strong-Drive® SD Connector screw. See the load values below.

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 other nail sizes and information.

Load Values with Strong-Drive® SD Connector Screws

Model No.	Fasteners (Total)	Allowable Tension Loads (DF/SP)	Allowable Tension Loads (SPF/HF)
		(160)	(160)
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.
LSTA9	8-SD9112	1095	715
LSTA12	10-SD9112	1235	895
LSTA15	12-SD9112	1235	1075
LSTA18	14-SD9112	1235	1235
LSTA21	14-SD9112	1235	1215
LSTA24	14-SD9112	1235	1235
ST292	12-SD10112	1215	1215
ST2122	12-SD10112	1480	1325
ST2115	6-SD10112	660	660
ST2215	14-SD10112	1750	1545
LSTA30	14-SD9112	1640	1255
LSTA36	14-SD9112	1415	1255
LSTI49	16-SD9112	4205	2865
LSTI73	16-SD9112	4205	2865
MSTA9	8-SD9112	1095	715
MSTA12	10-SD9112	1370	895
MSTA15	12-SD9112	1640	1075
MSTA18	14-SD9112	1640	1255
MSTA21	14-SD9112	1640	1255
MSTA24	14-SD9112	1640	1255
MSTA30	16-SD9112	2050	1435
MSTA36	16-SD9112	1970	1435
MSTA49	16-SD9112	2050	1435
ST6215	16-SD10112	2010	1765
ST6224	20-SD10112	2460	2210
ST9	8-SD10112	1105	885
ST12	10-SD10112	1385	1105
ST18	12-SD10112	1420	1325
ST22	12-SD10112	1420	1325
MSTC28	36-SD9112	4735	3225
MSTC40	46-SD9112	4735	4120
MSTC52	42-SD9112	4735	3765
HTP37Z	20-SD9112	2735	1790
MSTC66	44-SD9112	5850	3940
MSTC78	44-SD9112	5850	3940
ST6236	28-SD10112	3590	3090
HRS6	6-SD9112	820	540
HRS8	10-SD9112	1370	895
HRS12	14-SD9112	1915	1255
MSTI26	26-SD9112	3555	2330
MSTI36	36-SD9112	4925	3225
MSTI48	38-SD9112	5070	3405
MSTI60	38-SD9112	5070	3405
MSTI72	60-SD9112	5070	4760
MST27	30-SD10112	4150	3310
MST37	40-SD10112	5070	4415
MST48	52-SD10112	5310	5035
MST60	68-SD10112	6765	6375
MST72	70-SD10112	6765	6375

Code Reports & Compliance

Drawings