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DIN875 grade 0 Made of hardened stainless steel Squareness Code Size (LxW) Inside(α) Outside(β) C D H(mm) 4791-50 50x40mm 6µm 6µm 13 13 4 4791-75 75x50mm 6µm 7µm 15 15 4 4791-100 100x70mm 7µm 7µm 20 20 5 4791-150 150x100mm 7µm 3.5µm 30 30 6 4791-200 200x130mm 8µm 9µm 30 30 7 4791-250 250x165mm 9µm
The INSIZE 4791 series is a precision-engineered flat edge square designed for high-accuracy inspection and layout tasks. Manufactured from hardened stainless steel, these squares conform to DIN875 grade 0 standards, ensuring reliable squareness for critical measurement applications.