For lock stitch sewing machine of Item No. 3003 of this list.
Product Description:
This precision-engineered bobbin and bobbin case set is designed for use with standard lock stitch sewing machines. The components work together to smoothly and reliably feed the lower thread during sewing operations, creating a secure lock stitch.
Key Features:
- Bobbin made from high-quality, tempered metal for durability
- Bobbin has a flat, even surface for consistent thread delivery- Bobbin case is made from durable metal with a polished finish
- Bobbin case is precisely sized to fit the bobbin and sewing machine
- Includes tension spring and thread guide for controlled thread tension
- Compact, lightweight design for easy loading and use
- Universal fit for most domestic and industrial lock stitch machines
Bobbin Specifications:
- Material: Tempered metal alloy
- Diameter: 0.87 inches (22 mm)
- Width: 0.39 inches (10 mm)
- Capacity: Standard (Class 15, L class or similar)
- Color: Silver or black
Bobbin Case Specifications:
- Material: Precision-machined metal alloy
- Outer Diameter: 1.18 inches (30 mm)
- Inner Diameter: 0.91 inches (23 mm)
- Depth: 0.63 inches (16 mm)
- Thread Tension Adjustment: Yes, via spring and screw
- Thread Guide: Integrated metal thread guide
- Color: Silver or black
Compatibility:
- Fits most domestic and industrial lock stitch sewing machines
- Compatible with standard Class 15, L class, or similar sized bobbins