Surface Plates

Surface Plates :

‘GT’ offers Surface Plates in 2 variants, one is Cast Iron Surface Plates and other is Granite Surface Plates.

Cast Iron Surface Plates are used in general inspection in the shop floor, whereas Granite Surface Plates are suitable for Metrology Applications.

Specifications :

C.I. Surface Plates : These are Made of close Grained Cast Iron with adherance to necessary Hardness. They are well ribbed to minimize distortion and the depth and cross section of the ribbing are as per IS:2285:1974/ DIN Standards. They are Stress Relieved, Machined and Handscraped Accurately And are inspected with highly sensitive precision instruments.

As per Indian Standard, ‘GT’ offers C.I. Surface Plates in 3Grades, These are: Grade ‘I’, Grade ‘II’ and Grade ‘III’.

In case the of Grade ‘I’ Accuracy, The Surface Plates are Very Carefully Handscraped. In the case of Grade ‘II’ and Grade ‘III’ Plates are accurately finish machined.

‘GT’ offers Rexine Top Protection Covers along with the Surface Plates to protect the plates from Dust Particles.

Surface Plates upto size : 1000 x 1000 are provided with M.S.Handles. Larger Plates are without Handles, but provided with Core Holes.

Mild Steel Fabricated Stands or C.I. Supporting Stands : Would be supplied along with ‘GT’ Surface Plates at an Extra Cost.

‘T’ SLOTS’ : ‘T’ Slots, Grit Lines For Location and Tapped Holes Can be Provided at an extra cost.

SPECIAL PLATES : ‘GT’offers Welding Plates, Bending Blocks, Layout Tables, Assembly Plates, Floor Plates, and Auxillary Tables.


Granite Surface Plates: which are suitable for Metrology Applications.These Surface Plates are Hand lapped to a very close accuracies and are Inspected with highly sensitive precision instruments so that the departure From flatness will confirm to IS:7327:1991.

These are Made from Selected Sawn Black Granite Slabs with adherance to Hardness. as per IS: 7327:1991/ DIN Standards. They are Hand Lapped Accurately.
As per Indian Standard, ‘GT’ offers C.I. Surface Plates in 4Grades, These are: Grade ‘O’ Grade ‘I’, Grade ‘II’ and Grade ‘III’.

‘GT’ offers Rexine Top Protection Covers along with the Surface Plates to protect the plates from Dust Particles.

Mild Steel Fabricated Stands or C.I. Supporting Stands : Would be supplied along with ‘GT’ Surface Plates at an Extra Cost.