Hardened stainless steel rules from 150 mm to 1000 mm — the rigid precision reference tool for workshop layout, marking out, and QC in Northeast India.
The steel rule is the most fundamental measurement tool in any metal workshop, fabrication shed, ITI lab, or quality-control station. Unlike a flexible tape, a steel rule is rigid — it lies flat against the workpiece and the graduation markings read directly without the parallax error introduced by flexible tapes held at an angle. Hardened stainless steel rules resist corrosion from coolants and cutting fluids common on lathe and milling machine beds, and maintain their graduation accuracy across years of daily use.
A workshop that stocks four steel rule lengths — 150 mm, 300 mm, 600 mm, and 1000 mm — covers the measurement range from small component dimensions to full sheet-metal layout without awkward overlapping repositions. Fitters, turners, and quality inspectors across Guwahati's light engineering workshops, fabrication shops, and ITI/polytechnic training departments use these rules daily as the reference tool for marking out, setting calipers and micrometers, and verifying cut lengths before machining.
ITI and polytechnic trade labs in Assam — machinist, welder, electrician, and fitter courses — use 150 mm and 300 mm steel rules as standard kit items for every student. Fabrication shops laying out structural steel members use 600 mm and 1000 mm rules for marking hole positions and cut lines on angle iron and channel sections. Quality departments at manufacturing units cross-check machined part dimensions with steel rules as the first-pass go/no-go gauge before committing to micrometer measurement.
Steel rules pair naturally with vernier calipers, outside micrometers, and marking-out tools — scribers, centre punches, surface plates — all available at the Multi Trade Combines measuring instruments counter in Guwahati. We also stock Mitutoyo-grade precision rules for calibration labs requiring tighter graduation tolerances.
| Category | Measuring Tools |
|---|---|
| Key specs | 150 / 300 / 600 / 1000 mm |
| Lengths available | 150 mm, 300 mm, 600 mm, 1000 mm |
| Graduation | mm and inch dual-marked |
| Material | Hardened stainless steel |
| Availability | In stock — price on request |
A steel rule is a rigid flat bar marked with graduations to 0.5 mm or 0.25 mm accuracy — it does not flex, does not have a spring mechanism, and its edge can be used directly as a straight-edge for scribing, ruling lines, and checking flatness. Measuring tapes have flexible steel or fibreglass blades with a hook end, suited for curved surfaces and longer distances but less accurate for precision layout work in workshops. For marking out metal and cutting measurements in fabrication and QC, the rigid steel rule is the correct tool.
We stock steel rules in 150 mm, 300 mm, 600 mm, and 1000 mm lengths. The 150 and 300 mm rules are everyday workshop tools for checking small components and setting calipers. The 600 mm rule spans a full machine-tool bed or structural member for layout work. The 1000 mm (1-metre) rule is used in sheet metal layout, structural fabrication checking, and setting up large CNC fixtures where a shorter rule would require multiple repositions with cumulative error. Stainless steel and hardened steel variants are available depending on the grade required.