Round Granite Plate With Threaded Inserts

UNPARALLELED LTD is one of the leading manufacturers and suppliers of round granite plate with threaded inserts in China. With abundant experience, we warmly welcome you to buy advanced round granite plate with threaded inserts made in China here from our factory. We also accept custom orders.

UNPARALLELED round granite plate with embedded threaded inserts is made of high‑density low‑expansion black granite with multi‑round aging treatment. Precision‑ground working surface and pre‑embedded stainless steel threaded inserts realize reliable bolt fastening. Featuring low thermal deformation, excellent vibration damping, non‑magnetic and anti‑corrosion performance. Central bore and annular grooves are available for rotary fixtures, rotary inspection and semiconductor base applications. All items are inspected under constant‑temperature metrology environment with traceable calibration certificates, custom diameters and thicknesses are acceptable.                                                                                                                        

Round granite plates with embedded threaded inserts feature low thermal expansion and high rigidity for direct bolt‑on mounting. They are widely used for rotary tooling fixtures, rotary inspection stations, roundness verification benchmarks, semiconductor wafer inspection equipment, AOI optical inspection platforms, geometric comparison in metrology laboratories, precision CNC rotary tables and PCB inspection systems. Suitable for university labs, third‑party metrology institutes and rotary linear‑motor motion substrates.

UNPARALLELED round granite plates with embedded threaded inserts are manufactured under ISO‑certified quality management system. Homogeneous low‑expansion black granite is selected as raw material. Multiple aging cycles are applied to eliminate residual internal stress. All machining and grinding processes are completed in constant‑temperature workshops. Strict control is implemented for embedded threaded inserts to prevent hole chipping. Full‑item inspection is carried out with traceable measuring instruments including laser interferometers and high‑precision electronic levels for verification of critical dimensions, flatness and insert positional accuracy. CNAS traceable calibration certificates are available. Visual and assembly re‑check is performed before delivery. Products comply with CE requirements and support third‑party re‑inspection. Large‑size components are delivered with proper lifting solution and protective packaging to guarantee product quality.

Avoid hard impact and direct workpiece sliding on working surface. Clean with dust‑free cloth and neutral detergent; remove dust and cutting fluid timely. Use dust‑proof cover during idle period to prevent scratches. Re‑calibration is mandatory after relocation or impact. Avoid direct local heat source blowing to minimize thermal gradient deformation.

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