HRS/ST/PS/HST/HTP/LSTA/LSTI/MST/MSTA/MSTC/MSTI Strap Ties

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>>Home > All Products - Alphabetical List

HRS/ST/PS/HST/HTP/LSTA/LSTI/MST/MSTA/
MSTC/MSTI Strap Ties

Installation

View step-by-step installation instructions

Straps are designed to transfer tension loads in a wide variety of applications.

HRS - A 12 gauge strap with a nailing pattern designed for installation on the edge of 2x members. The HRS416Z installs with Simpson Strong-Tie® Strong-Drive® SDS screws.

LSTA and MSTA - Designed for use on the edge of 2x members, with a nailing pattern that reduces the potential for splitting.

LSTI - Light straps that are suitable where pneumatic-nailing is necessary through diaphragm decking and wood chord open web trusses.

MST - Splitting may be a problem with installations on lumber smaller than 3 1/2"; either fill every nail hole with 10dx1 1/2" nails or fill every-other hole with 16d common nails. Reduce the allowable load based upon the size and quantity of fasteners used.

MSTC - High Capacity strap which utilizes a staggered nail pattern to help minimize wood splitting. Nail slots have been countersunk to provide a lower nail head profile.

Finish: PS—HDG; HST3 and HST6—Simpson Strong-Tie® gray paint; all others—galvanized. Some products are available in stainless steel or ZMAX® coating; see Corrosion Information.

Installation: Use all specified fasteners. See General Notes.

Some products may be installed with the Strong-Drive® SD Structural Connector screw -
click here for details

Options: Special sizes can be made to order. Contact Simpson Strong-Tie.

Codes: MSTC and RPS meet code requirements for reinforcing cut members (16 gauge) at top plate and RPS at sill plate.
International Residential Code®- 2000/2006 R602.6.1
International Building Code®- 2000/2006 2308.9.8

See RPS.

top Gallery:

MSTI		MST		LSTI		LSTA and MSTA (Pilot holes not shown)		ST		ST9, ST12, ST18, ST22

roll over images below to see larger image


MSTC (MSTC28 shown; MSTC40, MSTC52, MSTC66, MSTC78 similar)	ST2115	HTP37Z	HST


HRS	HRS416Z	Typical MSTI Installation (MIT hanger shown) LSTI similar


Typical LSTI Installation	Typical HRS Installation

roll over images below to see larger image


Typical LSTA Installation (hanger not shown) Bend strap one time only


PS		Typical PS720 Installation

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.

roll over images below to see larger image


Typical Detail with Strap Installed Over Sheathing		Floor-to-Floor Tie Installation showing a Clear Span

top Floor-to-Floor Clear Span Table:

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

Loads include a 60% load duration increase on the fasteners for wind or earthquake loading
Install bolts or nails as specified by Designer. Bolt and nail values may not be combined.
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".
Use half of the required nails in each member being connected to achieve the listed loads.
When installing strap over wood structural panel sheathing, use 2 1/2" long nail minimum.
Tension loads apply for uplift as well when installed vertically.
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.

top Load Tables: See code report listings below

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 Structural-Connector screw.
See the load values.

Loads include a 60% load duration increase on the fasteners for wind or earthquake loading
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.
10d commons may be substituted where 16d sinkers are specified at 100% of table loads.
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.
Use half of the nails in each member being connected to achieve the listed loads.
Tension loads apply for uplift when installed vertically.
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.

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 Structural-Connector screw.
See the load values.

Loads include a 60% load duration increase on the fasteners for wind or earthquake loading
Install bolts or nails as specified by Designer. Bolt and nail values may not be combined.
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".
Use half of the required nails in each member being connected to achieve the listed loads.
When installing strap over wood structural panel sheathing, use 2 1/2" long nail minimum.
Tension loads apply for uplift as well when installed vertically.
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.

top Code Reports (PDFs):

					Legacy Reports
	IAPMO UES ER	ICC-ES ESR	CITY OF LOS ANGELES	STATE OF FLORIDA	ICC-ES NER	ICC-ES ER	ICC-ES ES
HRS	See specific model numbers for code listings.
HRS12	ER-124	ESR-3096	RR25489 / RR25910	FL11470 / FL13872
HRS416Z	No code listing: Please contact us for test data.
HRS6	ER-124	ESR-3096	RR25489 / RR25910	FL11470 / FL13872
HRS8	ER-124	ESR-3096	RR25489 / RR25910	FL11470 / FL13872
HST	See specific model numbers for code listings.
HST2		ESR-2105 / ESR-2523 *	RR25713	FL10852
HST3		ESR-2105 / ESR-2523 *	RR25713	FL10852
HST5		ESR-2105 / ESR-2523 *	RR25713	FL10852
HST5-4	No code listing. Please contact us for test data.
HST6		ESR-2105 / ESR-2523 *	RR25713	FL10852
HST6-41/2	No code listing. Please contact us for test data.
HTP37Z		ESR-3096	RR25910
LSTA	See specific model numbers for code listings.
LSTA12	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTA15	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTA18	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTA21	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTA24	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTA30	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTA36	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTA9	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTI	See specific model numbers for code listings.
LSTI49	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
LSTI73	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MST	See specific model numbers for code listings.
MST21/2	No code listing. Please contact us for test data.
MST27		ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MST37		ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MST48		ESR-2105 / ESR-2523 *	RR25713	FL10852
MST60		ESR-2105 / ESR-2523 *	RR25713	FL10852
MST72		ESR-2105 / ESR-2523 *	RR25713	FL10852
MSTA	See specific model numbers for code listings.
MSTA12	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTA12SS	No code listing: Please contact us for test data.
MSTA12Z	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MSTA15	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTA15Z	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MSTA18	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTA18SS	No code listing: Please contact us for test data.
MSTA18Z	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MSTA21	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTA21Z	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MSTA24	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTA24SS	No code listing: Please contact us for test data.
MSTA24Z	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MSTA30	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTA30Z	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MSTA36	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTA36SS	No code listing: Please contact us for test data.
MSTA36Z	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25910	FL10852
MSTA49	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25489 / RR25910	FL10852
MSTA9	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTAM24Z
MSTAM36Z
MSTC	See specific model numbers for code listings.
MSTC28	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTC40	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTC52	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTC66	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTC78	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTI	See specific model numbers for code listings.
MSTI26	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTI36	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTI48	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTI60	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
MSTI72	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
PS	See specific model numbers for code listings.
PS218	No load capacity: Products not tested or submitted because they’re not load rated and code approval not required.
PS418	No load capacity: Products not tested or submitted because they’re not load rated and code approval not required.
PS720	No load capacity: Products not tested or submitted because they’re not load rated and code approval not required.
ST	See specific model numbers for code listings.
ST12	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST18	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST2115	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST2122	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST22	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST2215	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST292	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST6215	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST6224	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST6236	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872
ST9	ER-124	ESR-2105 / ESR-2523 * / ESR-3096	RR25713 / RR25489 / RR25910	FL10852 / FL13872

* ESR-2523 is an Index of many of Simpson Strong-Tie Stamped and Welded Cold-formed Steel Products for Wood or Cold-formed Steel Construction

topDrawings: To download drawings, right-click or Ctrl-click on the link, then choose "Save Target As..."

Download the Simpson Strong-Tie® AutoCAD® Menu, which allows you to insert Ortho views directly into your AutoCAD drawing.

	ORTHOGRAPHIC	PERSPECTIVE
HRS	None for this model	None for this model
HRS12	HRS12: DWG \| DXF	None for this model
HRS416Z	HRS416Z: DWG \| DXF	HRS416Z: DWG \| DXF
HRS6	HRS6: DWG \| DXF	None for this model
HRS8	HRS8: DWG \| DXF	HRS8: DWG \| DXF
HST	None for this model	None for this model
HST2	HST2: DWG \| DXF	None for this model
HST3	HST3: DWG \| DXF	None for this model
HST5	None for this model	None for this model
HST5-4	None for this model	None for this model
HST6	None for this model	None for this model
HST6-41/2	None for this model	None for this model
HTP37Z	HTP37Z: DWG \| DXF	HTP37Z: DWG \| DXF
LSTA	None for this model	Floor to Floor Connections: DWG \| DXF LSTA Method 1: DWG \| DXF LSTA Method 2: DWG \| DXF
LSTA12	LSTA12: DWG \| DXF	High Wind-Resistant Construction D133: Load Path Installation Considerations: Cross-Grain Tension: DWG \| DXF
LSTA15	LSTA15: DWG \| DXF	None for this model
LSTA18	LSTA18: DWG \| DXF	High Wind-Resistant Construction D45: Stud to Band Joist: DWG \| DXF High Wind-Resistant Construction D72: Wall to Pile/Girder: DWG \| DXF Floor to Floor Connections: DWG \| DXF Pile to Girder Connectors 2: DWG \| DXF Stud to Band Joist Connections Version 2: DWG \| DXF
LSTA21	LSTA21: DWG \| DXF	High Wind-Resistant Construction D58: Header to Wall Framing: DWG \| DXF High Wind-Resistant Construction D70: Wall to Pile/Girder: DWG \| DXF
LSTA24	LSTA24: DWG \| DXF	High Wind-Resistant Construction D111: Gable End to Wall Framing: DWG \| DXF
LSTA30	LSTA30: DWG \| DXF	None for this model
LSTA36	LSTA36: DWG \| DXF	High Wind-Resistant Construction D51: Floor to Masonry/Concrete: DWG \| DXF
LSTA9	LSTA9: DWG \| DXF	None for this model
LSTI	None for this model	LSTI: DWG \| DXF
LSTI49	LSTI49: DWG \| DXF	None for this model
LSTI73	None for this model	None for this model
MST	None for this model	None for this model
MST21/2	None for this model	None for this model
MST27	MST27: DWG \| DXF	None for this model
MST37	MST37: DWG \| DXF	None for this model
MST48	MST48: DWG \| DXF	None for this model
MST60	MST60: DWG \| DXF	None for this model
MST72	MST72: DWG \| DXF	None for this model
MSTA	None for this model	High Wind-Resistant Construction D77: Post/Column to Beam: DWG \| DXF
MSTA12	None for this model	None for this model
MSTA12SS	None for this model	None for this model
MSTA12Z	None for this model	None for this model
MSTA15	None for this model	None for this model
MSTA15Z	None for this model	None for this model
MSTA18	MSTA18: DWG \| DXF	None for this model
MSTA18SS	None for this model	None for this model
MSTA18Z	None for this model	None for this model
MSTA21	None for this model	None for this model
MSTA21Z	None for this model	None for this model
MSTA24	MSTA24: DWG \| DXF	None for this model
MSTA24SS	None for this model	None for this model
MSTA24Z	None for this model	None for this model
MSTA30	MSTA30: DWG \| DXF	High Wind-Resistant Construction D118: Load Path Installation Considerations: Bulging Floor-to-Floor Straps: DWG \| DXF
MSTA30Z	None for this model	None for this model
MSTA36	MSTA36: DWG \| DXF	High Wind-Resistant Construction D46: Stud to Band Joist: DWG \| DXF Floor to Floor Connections: DWG \| DXF
MSTA36SS	None for this model	None for this model
MSTA36Z	None for this model	None for this model
MSTA49	None for this model	None for this model
MSTA9	None for this model	None for this model
MSTAM24Z	None for this model	None for this model
MSTAM36Z	None for this model	None for this model
MSTC	None for this model	None for this model
MSTC28	MSTC28: DWG \| DXF	None for this model
MSTC40	MSTC40: DWG \| DXF	None for this model
MSTC52	MSTC52: DWG \| DXF	None for this model
MSTC66	MSTC66: DWG \| DXF	None for this model
MSTC78	MSTC78: DWG \| DXF	None for this model
MSTI	None for this model	MSTI: DWG \| DXF
MSTI26	None for this model	None for this model
MSTI36	None for this model	None for this model
MSTI48	None for this model	None for this model
MSTI60	None for this model	None for this model
MSTI72	None for this model	None for this model
PS	None for this model	None for this model
PS218	PS218: DWG \| DXF	None for this model
PS418	PS418: DWG \| DXF	Pile to Girder Connectors 1: DWG \| DXF Pile to Girder Connectors 2: DWG \| DXF Stud to Band Joist Connections: DWG \| DXF
PS720	PS720: DWG \| DXF	High Wind-Resistant Construction D70: Wall to Pile/Girder: DWG \| DXF High Wind-Resistant Construction D71: Wall to Pile/Girder: DWG \| DXF High Wind-Resistant Construction D72: Wall to Pile/Girder: DWG \| DXF PS720: DWG \| DXF
ST	None for this model	None for this model
ST12	ST12: DWG \| DXF ST12 front view: DWG \| DXF ST12 right view: DWG \| DXF	None for this model
ST18	ST18: DWG \| DXF ST18 front view: DWG \| DXF ST18 right view: DWG \| DXF	None for this model
ST2115	ST2115: DWG \| DXF	None for this model
ST2122	ST2122: DWG \| DXF	None for this model
ST22	ST22: DWG \| DXF ST22 front view: DWG \| DXF ST22 right view: DWG \| DXF	None for this model
ST2215	ST2215: DWG \| DXF	None for this model
ST292	ST292: DWG \| DXF	None for this model
ST6215	ST6215: DWG \| DXF	None for this model
ST6224	ST6224: DWG \| DXF	None for this model
ST6236	ST6236: DWG \| DXF	None for this model
ST9	ST9: DWG \| DXF ST9 front view: DWG \| DXF ST9 right view: DWG \| DXF	None for this model