Professional Grade 20734002 Needle Holder for Jack E3/E4-4 Series
Maintain the integrity of your overlock seams with the 20734002 Needle Holder. As a critical component of the needle bar assembly, this holder is responsible for securing both needles in a 4-thread configuration. If your machine is experiencing inconsistent stitch width or frequent needle collisions, a worn or slightly bent needle holder is often the cause.
Key Features & Benefits
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Exact Four-Thread Alignment: Specifically bored for 4-thread setups, ensuring the correct distance between needles for a perfect overlock finish.
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High-Strength Alloy: Manufactured from durable, heat-treated steel to resist the vibrations and stresses of industrial sewing speeds (up to 5,500 RPM).
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Easy Needle Changes: Features precision-threaded screw holes that allow for secure tightening without stripping, ensuring your needles stay locked in place.
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Seamless Jack Compatibility: A direct OEM-spec replacement for the Jack E3 and E4-4 series, requiring no additional adjustments to the needle bar.
Technical Specifications
| Feature | Details |
| Part Number | 20734002 |
| Model Compatibility | Jack E3-4, E4-4 (Four Thread) |
| Material | Hardened Industrial Steel |
| Configuration | 2-Needle / 4-Thread |
To download part book of Jack E4 click 
JACK E4S
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