Rod Out DevicesCinch Worm
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Side Winder Flange Spreaders
Patent Pending

Side Winder Flange Spreader

Side Winder

The Side Winder Flange Spreader has been tested for continuous use at 15000 lbs spreading force = 150 foot pounds of torque.
Suggested Maximum torque of 100 foot pounds = 10,000 lbs spreading force.
Designed to be used with an adjustable wrench
The jaw assembly is constructed of Alloy Plates (#T1 or ASTM A514 grade B.)
The screw is constructed of 4140, equivalent to a B7 Stud.
The Travelers and Pin are constructed of 1144 (High strength steel - Meets the ASTM A311)
Restraint Straps are constructed of A36 Steel Plate
Bolt through Jaw Assembly is a grade 8, 7/16” dia. Alloy steel bolt

As an additional SAFETY precaution, this tool was constructed with the above materials so it will bend before it breaks. Download Use Instructions Click Here


Simple to use single screw operation
Sized to fit larger range of flanges
Light Weight tool with Heavy Duty spreading force
Restraint Strap and pin – prevents tool from dislodging
Pin and Safety Chain keep entire assembly together
Increased Spreader Force from 2 – 1 ratio to 4 – 1 ratio
Ease of operation with an adjustable wrench
Does not interfere with gasket or blinds
8000 lbs to 15,000 lbs spreading force

Model A
Model B
Fits 2” to 12” 150# Flange +
minimum 5/8” stud size
Fits 6” to 24” 150# Flange +
minimum 3/4” stud size
Separates Flange Face 1 ½”
Separates Flange Face 2”

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