214 x 1 | #120/19 | Needles 328 | DDX1 | SY4950

The 214x1 needle system (also known as DDx1 or Sys 328) is an extra-long, heavy-duty industrial needle designed for sewing extremely thick materials. It is primarily used in large-scale industrial equipment such as heavy-duty walking foot machines for products like leather belts, awnings, and cushions.

Technical Specifications
These needles are engineered for high penetration power in demanding industrial applications.

Dimensions:
Overall Length: Approximately 60.5 mm to 60.8 mm.
Length to Eye: 52 mm.
Shank Diameter: Varies by size, typically 2.0 mm for sizes NM 100–140, 2.3 mm for NM 160–180, and up to 2.5 mm for larger sizes.
Needle Form: Straight needle with a single groove and scarf, designed for Stitch Type Class 300 (lockstitch).

Common Applications
The 214x1 system is recommended for sewing medium to extra-heavy materials.
Materials: Heavy-weight woven fabrics (over 14 oz denim), thick leather, and technical textiles.
Products: Leather belts, horse saddles, heavy canvas awnings, tents, and upholstery cushions.

Compatible Industrial Machines
These needles fit specialized heavy-duty industrial models from major manufacturers.

Singer: 45K Class, 133K3.
Durkopp Adler: 104, 105, 204, 205, 226, and 504 classes.
Juki: LG-158-1, AMS-341.
Consew: 756R, SK-2R, SKZ-6.
Mitsubishi: 2020, DY-253, PLK-2020.