Lapping Plates

We provide our clients with qualitative cast iron lapping plates that are used for accurate hand lapping of various materials like nylon, plastics, ceramics and other non ferrous material. These cast iron lapping plates are available in round and rectangular sizes and have 3 mm wide and 3 mm deep serrations on working surface equally spaced at 25 mm.

Our iron lapping plates are manufactured using closed grain graded casting as per IS 210:1993 confirming to Grade FG- 220. Cast iron lapping plates are supplied with calibration certificate traceable to National Physical   Laboratory   (NPL, Govt of India) New Delhi. We offer our range of lapping plates for various lapping machine of different sizes as per the specification of our clients.

Standard Size and accuracy of Luthra Cast Iron Lapping Plates as per IS : 2285:2003, Grade 1

 

Round / Square mm	Accuracy um	Sizes mm	Accuracy um
100	5	300 x 450	9
200	5	450 x 600	10
250	7	600 x 900	12
300	7.5	1000 x 1000	14
400	9
450	9

• Other Sizes On Request
  

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

*Other Sizes On Request