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  Mannwerks®
Vertical Line Posts*
 
 
Steel Characteristics:
  • Hi-strength, hot rolled steel
  • Cold Formed
  • Minimum T/S: 65,000 psi
  • Minimum yield point: 50,000 psi
Design features:
  • Designed to be gentle on mechanical harvesters
  • Extremely stable in soil
  • User friendly

Options:

  • 12, 13 and 14 gauges with a wide range of lengths.
  • G90 galvanizing
  • Choice of alternating wire slot pattern or paired wire slot pattern (shown in photos)
 
12 gauge Mannwerks Stake -
The Ultimate in Metal Line Posts

*The Mannwerks Vertical Line Post is an insured patented product
 
 
   
Metal to Wood Comparison
Mannwerks® Vertical Line Posts
VinStake® Extenders
Rib-Bak U-Channel End Post
 
Spec Trellising
 


Durability
Top Quality
Longevity

Mechanical Harvester Friendly Rolled Edges
P  U  L  L    T  E  S  T
All line post samples were 13 gauge x 8' stakes,
pulled at 24" below the top (48" above the ground) with 24" of stake in the ground
Cal-Line Rolled Edge "Top" Competitor Mannwerks Grape Stake
No. of Lbs. Deflection Deflection Deflection
25 0" 1/2" 0"
50 1/4" 1" 1/4"
75 3/4" 1 1/2" 1/2"
100 1" 1 3/4" 3/4"
125 1 1/2" 2 1/4" 1 1/2"
150 2 1/4" 2 3/4" 1 3/4"
175 2 1/2" FAIL 2"
200 3"              2 1/2"
225 FAIL   3"
250     3 1/2"
275     4 1/2"
300     5 5/8"
325     FAIL
  3 5/8" PERM.
DISTORTION
3 3/4" PERM.
DISTORTION
3 1/2" PERM.
DISTORTION
NOTE: PULL TEST PERFORMED IN THE SUMMER OF 2000. WE NOW USE AN IMPROVED WIRE SLOT THAT SIGNIFICANTLY IMPROVES THE STRENGTH OF THE STAKE.
P  U  L  L    T  E  S  T
All line post samples were 12 gauge x 8' stakes,
pulled at 24" below the top (48" above the ground) with 24" of stake in the ground
12 ga. "Grande"-domestic 12 ga. "Grande"-import
No. of lbs. Deflection Deflection
25 1/2" 1/2"
50 1" 1"
75 1 5/8" 1 1/2"
100 2 1/4" 2"
125 2 5/8" 2 3/8"
150 3" 2 3/4"
175 3 1/2" 3 1/4"
200 FAIL @ 208 lbs. 3 3/4"
225   FAIL @ 220 lbs.
250    
275    
300    
325    
   3" PERM.
DISTORTION
4 1/2 " PERM.
DISTORTION
NOTE: AS INDICATED IN THE ABOVE TEST, THE 13 GAUGE MANNWERKS STAKE IS SIGNIFICANTLY STRONGER THAN EVEN THE 12 GAUGE POSTS TESTED.
 
 
 
 
 

GDC Crossarm
14 ga. roll-formed

Shown attached to Mannwerks Steel Post w/ U-bolt
42" and 48" lengths in stock

10" Snap-In Crossarm

No hardware needed ~ just Snap into slots

 
 
 
 
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