• Micro-Flat Datums Private Limited

SURFACE PLATES - CAST IRON

Micro-Flat cast iron surface plates provides a precision reference for spotting, tool making and inspection of parts, checking of accuracy of other surfaces and for many types of gauging and marking out operations. Features: made generally as per IS-2285-91, from good quality close grained high duty cast iron castings conforming to grade FG-220 of IS-210, duly stress relieved; offered with hand-scrapped finish in various grades of accuracies, ie, Grades O, 1, 2 and 3; bearing area shall not be less than 20% for Grade-O, 15% for Grade-1 and 10% for Grade-2 and Grade-3; flatness deviation of any local area of 250 x 250 mm of working surface not exceeding 0.003 mm for Grade-O, 0.007 mm for Grade-1, 0.015 mm for Grade-2 and 0.030 mm for Grade-3; small plates up to 630 x 630 mm provided with MS handles for lifting, larger plates without handles but provided with cored holes in peripheral for lifting by mechanical means; rexine cover provided for top working surface and edges; and cast iron individual column type floor stand/MS fabricated stand/cupboard type stand with levelling screws shall be supplied on request at extra cost. Additional features like grid lines for location, tapped holes, T-slots, T-slots with bench centre attachment, etc, provided upon request at extra cost.