29x4NTW - 332LL - 022LL - DIx4

Groz Beckert 29X4 NTW Industrial Sewing Machine Needles – For Double Lockstitch on Thin Leather

The Groz Beckert 29X4 NTW is a precision-engineered industrial needle designed for double lockstitch sewing on thin leather materials, making it ideal for producing leather garments, shoes, belts, and accessories. Its straight profile and single groove with scarf support reliable loop formation while minimizing material damage—critical for clean stitching in leather applications.

With a shank diameter of 1.98 mm and length to eye of 38.9 mm, this needle is built to penetrate smooth, coated, or soft leather without tearing or skipping stitches.

 Key Specifications:

• Needle System: 29X4 NTW, DIX4, 29X4 TW, 332 LL, 022 LL, SY 3750, 35:15

• Shank Diameter: 1.98 mm

• Overall Length: 44.9 mm

• Length to Eye: 38.9 mm

• Needle Form: Straight needle with single groove and scarf

• Stitch Type Class: 300

• Technical Sewing Application: Double Lockstitch

• Recommended For: Thin leather and leather blends

Designed for Professional Applications:

The 29X4 NTW is widely used in footwear production, leather garment manufacturing, and accessory workshops. Its needle design allows precise entry into delicate leather without compromising stitch integrity—essential when sewing visible seams on fashion accessories or fine leatherwear.

Why Choose Groz Beckert Needles:

• Trusted by leather and footwear professionals worldwide

• Designed to reduce stress and tearing on fine leathers

• Durable construction with reliable thread control

• Compatible with a wide range of industrial sewing machines

• Delivers strong, uniform stitches in high-speed environments

Applications:

Perfect for sewing:

• Leather clothing

• Shoes and boots

• Leather accessories

• Belts and straps

Recommended for:

• Thin leather and soft hide

• Delicate laminated leathers

• Fine leather-trimmed fabrics

Groz Beckert 29X4 NTW – Precision industrial needle for double lockstitch on thin leather and fashion-grade materials. Available now at Infinity Sewing.