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Open End Slotted Angle Plate

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Open End Slotted Angle Plates are made of high tensile cast iron. Slotted pattern to allow for easy flexible set-up of fixturing components. They provide a versatile means of holding work for layout, machining and inspection and also are widely used as vertical reference. All machined faces are square and parallel. They can be made in single piece or in two sections.

OEM or ODM service: we offer a wide range of services from standard Cast Iron Angle Plates to custom order as per request.

Calibration Certificate: EX-works inspection reports offered by our Quality Inspection Department are included with every surface plate, “Calibration Certificate” is available upon request at extra cost.

Delivery Costs: calculated during the checkout process.

Key Features:

• Made from high quality Cast Iron.

• Heat-treated for stress relief.

• High strength, High precision, High hardness.

• Finer accuracies can also be achieved on request at extra cost.

• Slots arranged for maximum clamping versatility.

• Customized and specifically designed as customers’ requirement.

These features make HENGFENG one of the best Cast Iron Angle Plates manufacturers in the industry.

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Specification:

Open End Slotted Angle Plate – Product Navigation Page Introduction

An Open End Slotted Angle Plate is a precision-engineered tool designed to hold workpieces at exact 90° angles during machining, inspection, and layout operations. Its open-end design provides unobstructed access to all four faces, enhancing versatility and facilitating complex setups.

Key Features

Precision Machining: All faces and ends are machined square and parallel within 0.002" per 6 inches, ensuring high accuracy in workholding applications.
Robust Construction: Manufactured from high tensile cast iron, these plates are stress-relieved to prevent distortion over time, maintaining their structural integrity under heavy use.
Versatile Clamping: Multiple slots are strategically placed to allow for flexible and secure clamping of various workpieces, accommodating a wide range of machining tasks.
Open-End Design: The open-end configuration offers enhanced accessibility, making it ideal for setups that require through-holes or extended workpiece lengths.

Typical Applications

Machining Operations: Ideal for milling, drilling, and grinding tasks where maintaining a precise 90° angle is critical.
Inspection and Layout: Provides a stable and accurate reference surface for inspection and layout procedures, ensuring consistency and precision.
Fixture Building: Serves as a foundational element in the construction of jigs and fixtures, facilitating repeatable and accurate setups.

Material: HT200-300

Specification: standard or customize

Working Surface: flat, T-slots, slotted holes, custom hole sizes, etc.

Hardness of the working surface: HB160-240

Surface treatment: hand scraped, ground finish or machined finish

Surface coating: working surface covered with antirust oil and unmachined areas covered with antirust paint.

Precision grade: 1-3

Type: webbed end or open end

Packaging: anti-rust packing + plywood box

Warranty: 1 year

Standard Size of Cast Iron Angle Plates

Specification（mm）	Squareness Between Adjacent Measuring Surfaces			Flatness and Parallelism of Measuring Surface			Flatness and Parallelism of Datum Surface
	Precision Grade (μm)
	GR “1”	GR “2”	GR “3”	GR “1”	GR “2”	GR “3”	GR “1”	GR “2”	GR “3”
200 × 200	8	16	30	4	8	16	6	12	24
300 × 200	10	20	40	5	10	20	8	16	30
300 × 300	10	20	40	5	10	20	8	16	30
400 × 300	12	24	45	6	12	24	10	20	40
400 × 400	12	24	45	6	12	24	10	20	40
500 × 400		28	50		14	28		24	48
500 × 500		28	50		14	28		24	48
800 × 600		35	60		18	35		28	55

*Other sizes & combinations can be manufactured as per requirement.