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 2.50 

Available in 7", 9" and

12" finished heights.

 .50 

7

6

5

2

1

3

4

8

 Post 1.25 

  4.00 

 2.50 

ITEM 

NO.

DESCRIPTION

QTY.

1

QBase, Low Slope Mount

1

2

Post, 1.25" OD x 6.5", 8.5", or 11.5", AL

1

3

Hex Bolt, 5/16" x 3/4", Grade 8

1

4

Lag Screw, Hex Head, 5/16" x 3", Zinc

2

5

Washer, Sealing, 5/16" ID x 1-1/8" OD, SS/EPDM

1

6

Washer, Fender, 5/16" X 1", SS

1

7

Washer, Split-Lock, 5/16", SS

1

8

Hex Bolt, 5/16" x 1", SS

1

1

DO NOT SCALE DRAWING

QMLSH: Low Slope Mount

SHEET 1 OF 1

2/20/2012

JDA

SCALE: 1:4 WEIGHT: 0.84

REV

A

SIZE

TITLE:

DATE:

DRAWN BY:

DIMENSIONS ARE IN INCHES

TOLERANCES:

FRACTIONAL  1/16

TWO PLACE DECIMAL     .01

THREE PLACE DECIMAL   .005

PROPRIETARY AND CONFIDENTIAL

THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF QUICK MOUNT PV.  ANY REPRODUCTION IN PART OR AS 

A WHOLE WITHOUT THE WRITTEN PERMISSION OF QUICK MOUNT PV IS PROHIBITED.

5

4

3

2

1

UNLESS OTHERWISE SPECIFIED:

Sources:

 American Wood Council, NDS 2005, Table 11.2 A, 11.3.2 A

Notes: 

1) Thread must be embedded in a rafter or other structural roof member. 
2) See IBC for required edge distances.

Lag pull-out (withdrawal) capacities (lbs) in typical lumber:

Lag Bolt Specifications

Specific Gravity

2/ea 5/16" shaft per 2.5" thread depth

5/16" shaft per 1" thread depth

Douglas Fir, Larch

.50

1330

266

Douglas Fir, South

.46

1175

235

Engelmann Spruce, Lodgepole Pine (MSR 1650 f & higher)

.46

1175

235

Hem, Fir 

.43

1060

212

Hem, Fir (North)

.46

1175

235

Southern Pine

.55

1535

307

Spruce, Pine, Fir

.42

1025

205

Spruce, Pine, Fir (E of 2 million psi and higher grades of MSR and MEL) 

.50

1330

266

Low Slope Roof Mount   QMLSH

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