High-density cast iron T-slotted floor plates and bed plates designed for precision measurement, inspection, and industrial applications. Available in standard and custom sizes with various flatness accuracy grades.

• Manufactured according to JB/T7974-1999 standards
• Constructed from close-grained plain cast iron (Grade FG:220 per IS:210, equivalent to GG20/FT20/30-A)
• Stress-relieved castings to eliminate internal stresses
• Available sizes up to 2000 x 1000 mm in four flatness accuracy grades
• Hand-scraped surface finish for Grades 0, 1, and 2
• Flatness accuracy verified by electronic level with computer-generated contour printouts
• Custom features including grid slots, tapped holes, and T-slots available
• Lifting handles for plates up to 630 x 630 mm; cored holes for larger plates

• T-slot spacing: Standard 150, 200, 250, or 300 mm, or custom specifications
• Higher cast iron grades available upon request
• Column-type cast iron floor stands or MS fabricated stands with leveling screws (additional cost)
• Special surface features: grid slots for location, tapped holes, and T-slots

Flatness determination performed using grid method per JB/T7974-1999 standards. Rigidity requirements ensured per IS:2285 for Grades 0, 1, and 2 surface plates.