Salient Features

  • Made generally as per IS: 4241.
  • Made from close grained plain cast iron conforming to grade FG: 220 as per IS:210 (equivalent to GG20/FT20/30-A). Higher grades also offered on request.
  • Castings stress relieved to relieve internal stresses.
  • Offered with hand scraped surface finish. Can also be offered in ground finish, upon special request.
  • Tapped holes / T-slots / cored elongated slots provided on request, at extra cost.
  • Offered as matched pair.

 

Standard Sizes of Hollow Box Parallels

Size in mmTolerance on H, W & L
H x W x LMicrons
100 x 100 x 100± 20
100 x 150 x 150± 20
125 x 200 x 300± 25
250 x 250 x 250± 30
250 x 350 x 350± 30

Custom built Solid Parallels and Blocks are also manufactured, please inquire mentioning size and accuracy.