Thread Guide Screw (Part #233) – For Singer 31 & 331K
Maintain the structural integrity of your thread handling system with this Thread Guide Screw (Part #233). Specifically designed for the Singer 31 and 331K series, this precision-machined fastener is essential for securing the thread guides to the needle bar or machine head, ensuring they remain vibration-free during high-speed industrial operation.

Key Performance Features
Precision-Cut Threads: Engineered with the exact pitch and diameter required for Singer Industrial machines, ensuring a perfect fit without stripping or damaging the internal housing.

Vibration Resistance: Built to withstand the constant reciprocating motion of the needle bar, keeping your thread guides firmly in place to prevent timing errors.

Hardened Industrial Steel: Crafted from high-tensile steel with a protective finish to resist corrosion and wear from frequent adjustments.

Low-Profile Head: Designed to sit flush or at the correct height to avoid interfering with the thread path or other moving mechanical parts.

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We stand behind the quality of the products we sell.

• Genuine OEM parts are covered by the manufacturer's warranty where applicable.

• Aftermarket and generic parts are covered against manufacturing defects.

• If you receive a damaged, defective, or incorrect item, please contact us within 30 days of delivery.

• Warranty does not cover damage caused by improper installation, misuse, normal wear, or modifications.

If you have any questions, our support team is happy to help before or after your purchase.