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Square Screw
Description The main feature of square screw is the head shape. The initial purpose of square screw was to design a unusual shape of head to prevent that stranger can easily access hand tool and release screws. With square head, normal hand tools like hex head spanner is unable to unlock square screw products. If you have further questions or any interesting of screws. feel free to call or email us. It's our pleasure to solve your problems. TEL: 886-7-6217249 FAX: 886-7-6220069 Email: [email protected] |