Granite Bench Centres
Precision Alignment Bases for Concentricity, Parallelism & True Rotation Inspection
Enquire NowProduct Overview
SPT Metrology manufactures Granite Bench Centres built to IS 5980 standards for inspecting concentricity, parallelism, and true rotation of shafts and cylindrical components. As a trusted Granite Bench Centre Manufacturer, we build these on granite rather than cast iron specifically for labs and inspection rooms where thermal stability matters as much as mechanical accuracy: environments where even small temperature swings can throw off a cast iron base over the course of a shift.
Granite's Advantage in Rotational Inspection
Because granite doesn't expand and contract the way metal does, a granite bench centre holds its base geometry through a full working day, which matters directly for concentricity and runout checks: measurements sensitive enough that a fractional shift in the base reads as a false deviation in the part. The base and V-block surfaces are machined and hand-finished to fine tolerance, giving the same repeatable flatness a cast iron version offers, without the thermal drift.
Hardened Centres, Stable Rotation
Each bench centre is fitted with hardened and ground dead centres that keep test components running true under load, critical for inspecting shafts, spindles, mandrels, rotors, and similar rotating parts where any wobble at the support points shows up as measurement error, not just mechanical noise.
What It's Used to Verify
Granite bench centres from SPT are used across quality departments to check: concentricity of rotating components, parallelism between reference faces, true running of precision shafts, and axial or geometric tolerance deviations during turning, grinding, and machining QC checks.
Sizes & Custom Configurations
Available in a range of standard center distances and base sizes, with custom configurations built to match specific machine components or inspection-cell layouts where a standard size doesn't fit the application.
Why Manufacturers Choose SPT
As a Granite Bench Centre Supplier trusted across Tamil Nadu and beyond, we hand-finish every base to the same tolerance standard we hold our surface plates to, because a bench centre is only as accurate as the base it's built on.
You May Also Need
Granite Surface Plates
Precision granite surface plates offering superior thermal stability and long-term flatness retention.
Read More →
Cast Iron Bench Centre
Rugged cast iron bench centres for precise between-centres inspection of shafts and cylindrical components.
Read More →
Comparator Stand
Stable comparator stands built for dial and digital comparator gauging setups.
Read More →
Granite Bench Centre Manufacturers Across India.
From our facilities in Chennai and Dharmapuri, we manufacture and supply granite bench centres to inspection labs and quality departments nationwide.