TRIANGULAR POINT "D" OR "TRI"

Groz Beckert 134 KK D Industrial Sewing Machine Needles – Triangular Point (TRI) for Heavy-Duty Materials

The Groz Beckert 134 KK D needle features a D-point, also known as a TRI (triangular) cutting point, engineered for maximum cutting performance. This point geometry delivers a clean, triangular incision, resulting in a precise, straight seam — ideal when working with dense and rigid materials.

Made with a chrome coating for superior durability and friction reduction, this needle is built to handle high-speed sewing in the most demanding applications such as hard leather, thick plastics, cardboard, and upholstery.

 Compatible Needle Systems:

134 KK D, PFX134 KK D, PFX134KK D, 797 KK D, 18:60

Technical Specifications:

• Point Type: D (TRI) – Triangular cutting point

• Shank Diameter: 2.00 mm

• Overall Length: 38.5 mm

• Length to Eye: 33.9 mm

• Coating: Chrome

• Needle Form: Straight with exceptional cutting geometry

Application Highlights:

✔ Best cutting performance among all cutting point needles
✔ Delivers a triangular incision for a strong and straight seam
✔ High cutting effect across nearly the full diameter of the needle

✅ Recommended For:

✔ Hard, dry leather
✔ Safety and heavy-duty footwear
✔ Upholstery and padded furniture
✔ Plastics and laminated textiles
✔ Cardboard, pressboard, and industrial paper

Typical Uses:
✓ Safety boots and workwear
✓ Leather belts, bags, saddlery
✓ Automotive or furniture upholstery
✓ Packaging materials (cardboard, plastic, paper)

Why Choose Groz Beckert 134 KK D Needles?

Designed for precision in tough materials, the Groz Beckert D-point needle cuts cleanly and sews powerfully through even the most rigid substrates. If you're working with heavy leather, thick plastic, or upholstery, this is the go-to needle for achieving durable, professional-grade seams without excessive penetration force.