Specification
C-2013 © 2013 SIMPSON STRONG-TIE COMPANY INC. PRINTED 12/12
142
Plated Truss Connectors
The MTHMQ and MTHMQ-2 are redesigned versions
of our medium-to-high load capacity hangers for
carrying 2 or 3 trusses. The new design offers
concealed flanges and installs with Strong-Drive
®
SDS screws for easier installation.
MATERIAL: 12 gauge
FINISH: Galvanized (G90)
INSTALLATION:
• Use all specified fasteners. See General Notes.
•Can be installed filling round holes only,
or filling round and triangle holes for
maximum load. For all installations,
fill the fastener holes in the bottom of
the hanger seat.
•For installations at panel points with 2x6
bottom chords, do not fill the triangle holes
unless approved by the Truss Designer.
CODES: See page 13 for Code Reference Key Chart.
4
1
⁄
8
" MTHMQ
6
3
⁄
8
" MTHMQ-2
3
5
⁄16" MTHMQ
4
7
⁄16" MTHMQ-2
3
7
⁄16"
7"
MTHMQ-SDS3
(MTHMQ-2-SDS3 similar)
Typical MTHMQ Min. Installation
at Panel Point
1. Allowable loads have been increased for wind or earthquake loading with
no further increase allowed; reduce where other loads govern.
2. A minimum 2-ply carrying member is required for the tabulated loads.
With single 2x carrying members, use
1
⁄
4
"x1
1
⁄
2
" Strong-Drive
®
SDS screws
into the carrying member and reduce the load to 0.60 of the table value.
3. For installations on 2x6 carrying members not at a panel point, the four upper-
most face fasteners are not installed. For installations on 2x6 carrying members
at a panel point, fasteners are installed into the round holes only (minimum
vertical member sizes are 2x6 and 2x8 for the MTHMQ and MTHMQ-2, respectively).
4. Tabulated two-member allowable loads assume that 75% of the total load is
distributed to the hip and 25% to the jack. It is permitted to distribute 65% to 85%
of the tabulated total load to the hip, and the remaining percentage of total load to
the jack. The combined hip and jack load may not exceed the published Total Load.
5. For terminal hips divide the total allowable load by 2 to determine the allowable
load for each hip.
6. Tabulated three-member loads assume that each hip carries 40% of the total
load and the jack carries 20% of the total load. Other hip/jack load distributions
are allowed if the sum of all three carried members does not exceed the total load
and the hip members are equally loaded.
7. The total allowable download for the MTHMQ-2-SDS3 (Min) for a 3-member connection
at the 115/125/160 load duration is 5400 lbs. (DF/SP) and 3890 lbs. (SPF/HF).
8. Truss chord cross-grain tension may limit allowable loads as determined by the
Designer in accordance with ANSI/TPI 1-2007.
9. Simpson Strong-Tie Strong-Drive screws are permitted to be installed through metal
truss plates as approved by the Truss Designer, provided the requirements of ANSI/TPI
1-2007 Section 7.5.3.4 and 8.9.2 are met (pre-drilling required through the plate using
a maximum of
5
⁄
32
" bit).
Terminal Type Installation (Three-Member Connection)
5
Model No.
Min.
Carrying
Member
2,3
Fasteners DF/SP Allowable Loads SPF/HF Allowable Loads
Code
Ref.
Carrying
Member
Hips
(Total)
Jack
Uplift
(160)
Download
(100/115/125/160)
Uplift
(160)
Download
(100/115/125/160)
Hip
(Ea)
Jack Total
Hip
(Ea)
Jack Total
Hip
(Ea)
Jack Total
Hip
(Ea)
Jack Total
MTHMQ-SDS3 (Min) (2)-2x6 10-SDS
1
⁄
4
"x3" 8-SDS
1
⁄
4
"x3" 1-SDS
1
⁄
4
"x3" 505 250 1260 1470 730 3670 360 185 905 1055 530 2640
170
MTHMQ-SDS3 (Max) (2)-2x8 14-SDS
1
⁄
4
"x3" 8-SDS
1
⁄
4
"x3" 1-SDS
1
⁄
4
"x3" 505 250 1260 1985 995 4965 360 185 905 1430 715 3575
MTHMQ-2-SDS3 (Min) (2)-2x6 12-SDS
1
⁄
4
"x3" 10-SDS
1
⁄
4
"x3" 1-SDS
1
⁄
4
"x3" 685 340 1710 2015 1010 5040
7
490 250 1230 1450 730 3630
7
MTHMQ-2-SDS3 (Max) (2)-2x8 16-SDS
1
⁄
4
"x3" 10-SDS
1
⁄
4
"x3" 1-SDS
1
⁄
4
"x3" 685 340 1710 2655 1330 6640 490 250 1230 1910 960 4780
Right or Left Hand Hip Installation (Two-Member Connection)
3,4
Model
No.
Min.
Carrying
Member
2,3
Fasteners DF/SP Allowable Loads SPF/HF Allowable Loads
Code
Ref.
Carrying
Member
Hip Jack
Uplift
(160)
Download
(100/115/125/160)
Uplift
(160)
Download
(100/115/125/160)
Hip Jack Total Hip Jack Total Hip Jack Total Hip Jack Total
MTHMQ-SDS3 (Min) (2)-2x6 10-SDS
1
⁄
4
"x3" 4-SDS
1
⁄
4
"x3" 1-SDS
1
⁄
4
"x3" 440 145 585 1965 655 2620 315 105 420 1415 470 1885
170
MTHMQ-SDS3 (Max) (2)-2x8 14-SDS
1
⁄
4
"x3" 4-SDS
1
⁄
4
"x3" 1-SDS
1
⁄
4
"x3" 440 145 585 2715 905 3620 315 105 420 1955 650 2605
MTHMQ-2-SDS3 (Min) (2)-2x6 12-SDS
1
⁄
4
"x3" 5-SDS
1
⁄
4
"x3" 1-SDS
1
⁄
4
"x3" 800 265 1065 2905 970 3875 575 190 765 2090 700 2790
MTHMQ-2-SDS3 (Max) (2)-2x8 16-SDS
1
⁄
4
"x3" 5-SDS
1
⁄
4
"x3" 1-SDS
1
⁄
4
"x3" 800 265 1065 3330 1110 4440 575 190 765 2395 800 3195
MTHMQ-2 Top View Terminal Installation
with Center Common Jack
(MTHMQ similar)
Single Ply
2-Ply Hips
(MTHMQ-2)
Single Ply
(MTHMQ)
(Typ.)
3
⁄
4
" Typ.
Working
Point
MTHMQ Top View Terminal Installation
without Center Common Jack
(MTHMQ-2 similar)
Single Ply
(MTHMQ)
2-Ply Hips
(MTHMQ-2)
(Typ.)
3
⁄
4
" Typ.
Working
Point
MTHMQ Top View
Left Hand Hip Installation
(MTHMQ-2 similar)
Single Ply
Single Ply
(MTHMQ)
2-Ply Hips
(MTHMQ-2)
(Typ.)
3
⁄
4
" Typ.
Working
Point
MTHMQ/MTHMQ-2
Multiple Truss Hangers
Plated Truss Connectors