Zhongheng Fingerprint Lock Lock Body, with Square Head and Large round Head, the Lock Body Can Be Adjusted by Yourself. Directional.

The following Describes 240*24 Square Head Lock Body, This Lock Body Has a Hook with Heaven and Earth

function: Double Fast and Double Active

The following Describes the 240*30 round Head Lock Body, the Price Is More than the Quotation 6 Yuan Expensive one

size: 240 * 30mm

internal Width: 105mm

function: Double Fast and Double Active

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  How to Maintain the Lock Cylinder? What Are the Methods to Maintain the Lock Cylinder? Anti-Theft Door Lock Cylinder Should Be Copper, Copper Lock Cylinder Not Only Does Not Rust, but Also Is Resistant to Damage. Copper Lock Cylinder Has a Long Service Life. Nowadays, in Order to Reduce Costs, Many Merchants Use Other Metals Instead, Some of Which Are Even Hard Plastics. Although This Reduces the Production Cost, It Greatly Shortens the Service Life of the Lock. When Buying Locks, You Must Look at the Quality of Locks. Generally, Copper Lock Cylinder Keys Can Be Inserted and Removed Freely, Which Is Very Smooth, and the Feeling of Poor Quality Locks Is Different. When Installing the Lock Cylinder, Be Sure to Be Appropriate, Not Reverse Card, Or Not Easy to Lock and Unlock. at This Time, Carefully Check and Troubleshoot. During Use, If You Find That the Lock Is Not Easy to Use, Do Not Pour Oil into the Lock Cylinder. after a Long Time, the Lock Cylinder Will Be Stuck by Dust and the Spring Will Not Work Properly, the Lock Cylinder Cannot Be Opened. . Keep the Keyhole Clean during Normal Use to Prevent Sand and Oil. Only When the Key Is Not Easy to Insert into the Lock Cylinder Can Carbon Powder Be Added to the Lock Cylinder, or Use 2B Pencil to Draw Some Powder under the Key, Insert the Lock Cylinder and Pull It Several Times. In This Way, the Lock Cylinder Is Easy to Open after Repeated Times. 2. Do Not Add Cooking Oil under the Condition That the Key Is Not Easy to Insert Or the Key Is Not Easy to Rotate. the Lock Cylinder Exceeds Grade B. Due to Its High Precision and Complex Structure, the Hoodle inside Is Several Times More than the Ordinary Lock Cylinder, after Refueling, It Was Easy to Open. However, in a Few Days, the Lock Cylinder Will Be More Difficult to Open Due to Dust Sticking Or Dry Oil. in This Way, Adding Oil Several Times Will Cause the Lock Cylinder to Be Stuck Or Even Scrapped.

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