Top 10 Best Screw Jacks

Contractor quality mechanical jack for all purpose lifts and supports. Holds heavy loads indefinitely will not creep. Heavy duty bell shaped cast base. Less effort required to lift capacity load with new design. Corrugated steel swivel head turns easily under load. NOTE Turning bar sold separately.

Make Structural Repairs The BISupply Adjustable Shore Jack Post House Support Jacks 1-Pack transforms 4x4 inch 10.2 cm square lumber into a temporary support or non-primary support not intended for permanent installation. Adjust the Size Fits bottom of a 4x4 inch timber post of any height 4-inch height adjustment thread for shoring tension 14.5 to 18.5 inch 36.8-47 cm overall lifting shore height 3.5x6 inch 8.9x15.2 cm base plate with 4 0.6-inch15mm and 2 0.3-inch8mm mounting holes. Built to Last Constructed from coated steel for strength and longevity that resists rust and corrosion Square tube, round tube, and threaded plate welded to create singular floor joist jack post unit Load capacity up to 24,700 pounds 12.4 ton 11,204 kg 11.2 MT dependent on 4x4 used. Stabilize Easily Place adjustable shoring jack on end of 4x4 inch wood post, secure post to shore jack, turn the tension handle for 4 inches of height adjustment, and secure 4x4 shore jack base 4x4 lumber required, not included nailswood screws recommended, not required or included. Fit Anywhere 11.8x0.4 inch 30x1 cm horizontal tension handle is removable and slides for use against an obstruction Base plate includes 4 0.6-inch15mm and 2 0.3-inch8mm mounting holes spaced 4.5 and 2.25 inches 11.4, 5.7 cm apart center to center for securing to floor screws not included.

SCREW JACK The Ellis 4x4 Screw Jack is an extremely versatile product that will allow you to create an adjustable support of any length with your own 4x4 lumber. This product is designed to provide structural support in residential, commercial, trench, and collapse rescue shoring applications.. EASY TO USE Designed to provide either vertical or horizontal support, this adjustable screw jack is functional, strong, and heavy duty. To adjust the height of the screw jack, simply turn the U shaped handle until you reach your desired height. Lock the Safety Screw in to set the height for long term support applications.. SAFE SECURE Built with high quality steel, this screw jack is designed to be long lasting and durable. This product is equipped with a safety lock, you can tighten the safety lock with an allen wrench once the final adjustment has been made.. SPECIFICATIONS Safe Load Capacity 15,000 lbs, Weight 12 lbs, Minimum Overall Height 14.25, Full 6 Adjustment with 1.25 dia. Acme Threaded Screw, Type of Finish Painted. TRUST IN ELLIS Ellis Manufacturing Company has been a leading manufacturer of construction materials since 1951. Our primary focus has always been on shoring equipment for commercial and residential construction. Ellis is dedicated to providing unbeatable quality, affordability, and customer service..

Adjustable range is 23-30mm. M16 thread. Made from high quality tool steel. Measures 34mm diameter by 30mm height.

Most versatile Machinist Jack Screw. Range 1-12 3-34 38-95mm with included attachments. Includes 2 extensions 1 and 0.5, 2 bases for non-flat surfaces and 1 auxiliary pointed screw. Jack Base Diameter 1. 20-pitch screw for finer adjustment.

1. 6-2. 2 Adjustable range. Body Diameter 1. 5. Weight is . 7 lbs. Ideal for setup work where fine adjustment may be required to level work piece or as a replacement for a step block when using a clamp kit. Acme threads. Manufactured from toughened steel.

Constructed of high-grade steel and built to exacting standards for quality and durability.  Lead-free paint finish is applied after a thorough chemical wash to ensure a long-lasting finish and to help prevent rust. Paint is oil, grease and dirt-resistant for easy cleanup. Operates at full capacity in tension or compression mode, upright or inverted. Self-locking design provides added safety.

Adjustable From 16-inches to 30-inches. Load Capacity 6000 lb.. Durable Construction Constructed of durable steel. Powder Coated Provides maximum rust protection. Quantity Includes 2 Telescopic RV Jacks and Quick Release Pin.

USE FOR The Little Giant Tool Jack is used for leveling and as a stabilizer for planer beds, upright drills, and other tools in machine shops.. FINE ADJUSTMENT The 20-pitch screw provides for fine adjustment.. RANGE The jack has a 2-14 to 3-38 57 to 85 mm range and a 1-14 32 mm diameter base.. SECURE BASE Its serrated bed helps to effectively hold tools in place.. JACK ONLY Sold as the jack only. Product attachments are sold separately..

Most versatile Machinist Jack Screw. Range 2-14 - 6-14 57 - 159mm with included attachments. Includes 2 extensions 1 and 2, 2 bases for non-flat surfaces and 1 auxiliary pointed screw. Jack Base Diameter 1-14. 20-pitch screw for finer adjustment.