7x3 - 794H - DYx3

Groz Beckert 7x3 Industrial Sewing Machine Needles – Extra Long for Mattress & Blanket Sewing

The Groz Beckert 7x3 is a high-performance industrial sewing machine needle designed for large-format textile applications such as mattresses, blankets, and thick woven fabrics. Featuring an extended overall length of 69.4 mm and a 60 mm shaft-to-eye measurement, this needle is built for use in machines requiring deep penetration and stable needle structure over large material surfaces.

With a double lockstitch configuration (Stitch Class 300) and a straight body equipped with a single groove and scarf, the 7x3 needle system ensures smooth thread flow, precise loop pick-up, and durable seam formation even on thick, multi-layered woven fabrics.

Key Specifications:

• Needle System: 7x3

• Customary Designations: DYX1, DYX3, 7X1, 7X3, 793, 794, 794H, SY 5210, SY 5211, SY 5213, 53:20

• Shank Diameter: 2.5 mm

• Overall Length: 69.4 mm

• Length to Eye: 60 mm

• Needle Form: Straight with single groove and scarf

• Technical Application: Double lockstitch

• Stitch Type Class: 300

Designed for Professional Applications:

This needle is specifically engineered for high-volume industrial sewing in the mattress, bedding, and blanket manufacturing sectors, where both needle strength and reach are critical. Its extended length and optimized geometry help prevent deflection, skipped stitches, and thread stress, making it ideal for large-scale textile production lines.

Applications / Highlights:

Mattress manufacturing
Blanket production
Thick woven fabrics
Long-reach double lockstitch sewing
Consistent stitch performance on heavy textiles

Why Choose Groz Beckert 7x3 Needles?

Groz Beckert’s 7x3 needle system is trusted by industrial textile manufacturers worldwide. With German-engineered precision and dependable quality, it offers unmatched performance for large-format double lockstitch applications.