• Nov 16, 2025 key bitting chart itting charts reflect hierarchies of keys. Show the relationship between master keys and subordinate keys. Include multiple cut depths for different keying levels. Require careful interpretation to maintain security hierarchies. By Irvin McCullough
• Jan 20, 2026 key bitting chart sample ting chart is the sequence of codes that specify the depth of each cut. These codes are essential because they tell the locksmith exactly how to shape the key. Common Bitting Code Formats: Numerical codes: Ranging from 00 to 99, indicating cut depths. Letter codes: Such as A, B, C, rep By Darryl Murray IV
