Lapping Plate

JASH C.I. Lapping Plates are extensively used for accurate hand lapping of ferrous & non-ferrous parts to obtain a perfect oil tight surface.

• Made from close grained plain cast iron conforming to grade FG: 220 of IS: 210 (equivalent to GG20 / FT20 / 30-A). Higher grades also offered on request.
• Castings stress relieved to relieve internal stresses.
• Hand scraped surface finish.
• Offered in square, rectangular and round sizes.
• Constructional features of square and rectangular sizes similar to those of Cast Iron Surface Plates as per IS: 2285.
• Plates up to 630 x 630 mm provided with handles for lifting. Larger plates provided with cored holes in peripheral for lifting by mechanical means.
• Provided with 3 x 3 mm groves at a nominal pitch distance of 25 to 30 mm on top surface.
• Supplied with rexine cover for top surface protection.