Are there holes in the top plate for mounting a beam?

There are 4 holes in the top and bottom plates of the Heavy Duty Steel Shores. They are 9/16" holes and they are roughly 1" on center from each edge. These holes are multi purpose and can be used to anchor to any surface.

What is the diameter of the post? We need a 4" diameter post

3.5” OD body pipe. Here is a shop drawing https://cdn.shopify.com/s/files/1/0841/3315/files/STL-103HD4Hole_dwg.pdf?13097832881879520939 more info on ellismfg.com

How difficult is it to raise once the Jack has weight on it?

It is easy to do with a strong bar Which does not come with the jack.

Whats the steel gauge? How much shear force it can handle?

This is very very solid. I have it holding up a branch of a 250 year old oak tree that must weigh 4-5000 lbs. No problem

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ELLIS Heavy-Duty Adjustable Steel Shore, 34,000 lb Load Capacity, 55"-80" | Permanent or Temporary Shore for Floor Leveling, Beams and Concrete Bracing with steel construction for precise adjustments.

ELLIS Heavy-Duty Adjustable Steel Shore, 34,000 lb Load Capacity, 55"-80" | Permanent or Temporary Shore for Floor Leveling, Beams and Concrete Bracing with steel construction for precise adjustments.

Product ID: 157053149

Details

Brand
ELLIS
Load Capacity
34000 Pounds
Material
High Carbon
Maximum Lifting Height
104 inches
Vehicle Service Type
Truck SUV

📏Adjustable height 55"-80"

🔩Precision Acme screw mechanism

🏗️34,000 lb load capacity

R45547

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🏗️ Elevate your project with steel-strong precision and reliability!

BUILT TO LAST - High-carbon steel construction with reinforced plates ensures long-term durability.
TRUSTED LEGACY - Backed by 70+ years of Ellis Manufacturing expertise in structural support.
UNMATCHED STRENGTH - Supports up to 34,000 lbs for heavy-duty projects without compromise.
VERSATILE APPLICATION - Ideal for both temporary and permanent shoring in residential and commercial builds.
PRECISION HEIGHT CONTROL - Easily adjust from 55" to 80" with a smooth Acme screw for exact leveling.

The ELLIS Heavy-Duty Adjustable Steel Shore is a robust, high-carbon steel support post designed for heavy load applications up to 34,000 lbs. Adjustable between 55" and 80", it features a patented Acme screw mechanism for precise height control and secure locking. Perfect for temporary or permanent shoring in floor leveling, beams, and concrete bracing, it combines durability with trusted Ellis craftsmanship established over 70 years.

Specifications

ASIN	B009RRB97U
Best Sellers Rank	#176,214 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #250 in Industrial Floor Jacks
Brand Name	ELLIS
Color	Orange
Compatible with Vehicle Type	Truck, SUV, Heavy Machinery
Customer Reviews	4.6 4.6 out of 5 stars (36)
Included Components	Comes with housing
Item Dimensions	8 x 8 x 55 inches
Item Type Name	floor-jacks
Item Weight	72 pounds
Load Capacity	34000 Pounds
Manufacturer	ELLIS
Manufacturer Part Number	STL-55HD
Material Type	High Carbon Steel
Maximum Lifting Height	104 inches
Minimum Height	55 inches
Model Number	STL-55HD
OEM Equivalent Part Number	STL-55HD
Style Name	Screw
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

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R45547

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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