Cast iron T-slot plates and angle plates provide clamping points for machining, setup, and inspection. Among these options, the 3-by-3-by-5-inch ground-finish plate suits buyers prioritizing a finished working surface, while the Buyohlic Vee-slot model is designed for cylindrical workpieces. A compact box-type plate and a larger webbed angle plate offer different size and shape choices. The steel hydraulic press plates are a separate option for press work, not a cast iron T-slot substitute.
| Product | Best suited for | Key distinction |
|---|---|---|
| AD International 3 x 3 x 5 Inch | Machining setups needing a ground working surface | Stress-relieved cast iron |
| Buyohlic Vee Angle Plate | Clamping cylindrical parts | Vee-slot design |
| Webbed T-Slot Angle Plate | Buyers seeking a larger webbed plate | Three T-slots and 25 mm thickness |
| AD International Box Type | Compact setups and varied metalworking tasks | Box-type form |
| Four-Notch Hydraulic Press Plates | Shop press operations | Steel, not cast iron or T-slot |
AD International Ground-Finish Angle Plate
This 3-by-3-by-5-inch (75-by-75-by-125-mm) T-slotted angle plate is the best fit for buyers who want a specified ground finish on the working surface. Its listed features include premium graded cast iron and stress-relieved construction, which the product description says is intended to support stability and resistance to warping during heavy machining.
Choose this model when a ground working surface and stress-relieved construction are priorities. The listing does not provide detailed T-slot dimensions, so check the slot measurements and clamping hardware requirements before purchasing.
Buyohlic Vee-Slot Angle Plate
This 3-by-3-by-5-inch (75-by-75-by-125-mm) cast iron plate is best for setups involving cylindrical workpieces. Its Vee slots are described as precision-machined to hold round parts for machining, drilling, or inspection. The product is also listed as stress-relieved, with graded cast iron intended to provide stability and wear resistance.
Choose this plate if the Vee feature matches the shape of the workpiece you need to position. Avoid assuming that a Vee slot replaces a standard T-slot: confirm the included slot layout and your clamping method before ordering.
Webbed T-Slot Cast Iron Angle Plate
This webbed angle plate is suited to buyers who need a plate with three T-slots and a stated 25 mm thickness. The listing describes a size of 6.5 inches long, 6 inches wide, and 4.5 inches high, while the product name gives a different width measurement. It also lists T-slot dimensions of 20 mm at the wide part and 15 mm at the narrow part.
Choose it if those slot measurements and the webbed design suit your fixture. Verify the overall dimensions with the seller before purchase because the listing’s name and feature text do not agree on width.
AD International Box-Type T-Slot Plate
This compact box-type plate measures 4 by 3-3/8 by 2-3/4 inches (100 by 85 by 60 mm). It is best for buyers who need a smaller cast iron fixture for clamping and positioning in metalworking tasks. Listed uses include milling, grinding, and inspection, and its features include precision-machined T-slots and close-grain cast iron.
Choose this model when its compact dimensions fit the work area. The product details do not specify slot dimensions or a ground finish, so verify those requirements if they matter to your setup.
Four-Notch Hydraulic Shop Press Plates
This two-piece set is an alternative for buyers who need a movable platform for hydraulic shop press operations, not a cast iron T-slot angle plate. Each plate measures 5 by 5 by 1 inch and is made of steel, with two U-slots and two V-slots for working clearance. The listing describes it for 20-ton shop press use.
Choose this set for press-bed work where the notches provide needed clearance. Do not choose it as a replacement for a cast iron T-slot plate: it is steel, has no listed T-slots, and serves a different purpose.
Buying Guide: How To Choose A Cast Iron T-Slot Plate
What size and shape do you need?
Compare length, width, and height with the workpiece, machine table, and available clearance. A compact box-type plate may suit a confined setup; a larger angle plate may offer more room for positioning. Check conflicting dimensions against the seller’s current specifications before ordering.
Do you need standard T-slots or Vee slots?
T-slots provide channels for compatible clamping arrangements, while the Buyohlic model’s Vee slots are specifically described for cylindrical workpieces. Do not assume the two slot types are interchangeable. Confirm slot width, opening dimensions, and required hardware for your setup.
Does surface finish or stress relief matter?
The AD International 3-by-3-by-5-inch model specifically lists a ground working surface and stress-relieved construction. Other listings may describe material or slot features without specifying a ground finish. Match the stated surface details to your accuracy and setup needs rather than assuming all cast iron plates have the same finish.
Is a press plate the same as a T-slot plate?
No. The included shop press plates are steel plates with U- and V-shaped notches, listed for press operations. They are not described as cast iron or T-slotted. Select a plate based on its intended operation and clamping design.
Frequently Asked Questions
What is a cast iron T-slot plate used for?
It provides a workholding surface with T-shaped slots for clamping and positioning parts during tasks such as machining or inspection, depending on the plate’s design.
Which option is intended for cylindrical workpieces?
The Buyohlic angle plate is the listed option with Vee slots described for securing cylindrical workpieces.
Are all the listed plates the same size?
No. The products vary from a compact 4-by-3-3/8-by-2-3/4-inch box-type plate to angle plates listed at 3-by-3-by-5 inches and a larger webbed model.
Should I check T-slot dimensions before buying?
Yes. Confirm slot dimensions and compatibility with your clamping hardware. Several listings do not provide detailed slot measurements.
Can the steel press plates replace a cast iron T-slot plate?
No. They are described as notched steel shop press plates, not cast iron T-slot plates, and are intended for a different type of work.