The Nortek 6680 Leveler with its ACME high strength thread profile is a screw jack with a vertical load capacity of 20,000 lbs. Precision manufactured for strength and durability. Advantages: They are plated for anti-corrosive properties and lubricated. The bronze bearing reduces nut turning force. ACME thread has a high strength thread profile and reduces friction. Increased support area at the Spider Nut and the Bronze Bearing. Nortek's exclusive spider nut provides easier adjustment with increased load displacement. Adjustable with a punch and sledge for tight areas and heavy loads. Adjustable with 3/4" wrench.
Made in the USA. Test Results
• 1" - #10 ACME thread
• 20,000 lb vertical load limit
• 6" x 6" Square mounting plates
• 8" total adjustment
• 1¼" dia. x 10" deep hole in post
• Lowered height of 1-3/8"