Granite Lapping Plates

Product Description

Granite Lapping Plates

With firm commitment towards attaining a substantial position, we are persistently occupied in manufacturing, supplying and exporting a broad range of Granite Lapping Plates. Made available in rectangular & square sizes and specifications; these granite plates are extensively used lapping applications of different porous materials cement, ceramics, plastic and nylon. Each of these plates is thoroughly checked on various calibration testing parameters to make certain about their flawlessness. Granite Lapping Plates, we offer are highly accredited for the following significant attributes:

• Excellent mechanical strength
• Good thermal stability
• Impact resistance
• Longer service life

Other details:

We are one of the leading suppliers of Granite Lapping plates that are used for accurate hand lapping of material such as nylon, plastics, ceramics and other non ferrous material. These are available in Square and Rectangular sizes and are made up of black granite. Each of the plates has 3 mm wide and 3 mm deep serrations on working surface equally spaced at 25 mm and have lapped surface finish. Our Granite lapping plates are supplied with calibration certificate traceable to National Physical Laboratory (NPL, Govt Of India ) New Delhi.

Standard Size and accuracy of Luthra Granite Lapping Plates as per IS :7327-2003, Grade 1

Square / Rectangular mm	Accuracy um
150 x 100	3
250 x 150	3.5
300 x 200	3.5
300 x 300	4
400 x 400	4.5
400 x 630	5
630 x 630	5

Precision and Reliability

Our granite lapping plates undergo strict manual lapping to attain precise surface flatness and finish. The use of premium black granite ensures dimensional stability, resistance to wear, and minimal influence from environmental factors. This results in consistent measurement and calibration for high-performance engineering tasks.


Versatility in Application

Designed to facilitate accurate calibration of flatness and surface finish, our granite lapping plates serve a range of industries, from manufacturing and aerospace to laboratories and industrial workshops. Their manual operator-controlled process allows for tailored precision in every use case, supporting both routine operations and specialized projects.