SMALL TRIANGULAR TIP "TRI/TIP"

Schmetz B-27 / DCx27 SD1 Industrial Overlock Sewing Machine Needles – Round Point with Small Triangular Tip (SD1 / TRI TIP)

The Schmetz B-27 SD1 needle system—also known as DCx27, MY1023, UY191 GS, or RIM 27 SD1—is engineered with a round point featuring a small triangular incision. This unique TRI TIP design creates a neat, straight seam with minimal cutting, making it perfect for sewing fine leather and coated materials.

Thanks to its precision point, the SD1 style maintains consistent stitch appearance in multi-directional sewing, making it a top choice for programmable sewing and embroidery machines.

Needle Specifications:

• Customary Designations: B-27 SD1, MY 1023 SD1, UY 191 GS SD1, DCx27 SD1, RIM 27 SD1

• Point Style: SD1 (Round point with small triangular tip / TRI TIP)

• Type of Coating: Chrome

• Shank Diameter: 2.00 mm

• Overall Length: 33.1 mm

• Length to Eye: 28.6 mm

• Needle Form: Straight needle with double groove and scarf

• Stitch Type Class: 500 – Overlock stitch

Applications / Highlights:

Perfect for:

• Fine leather and imitation leather garments

• Thin synthetic leather materials

• PVC- or PUR-coated materials (e.g. tarpaulins, coated tablecloths, tents)

• Embroidery or programmable machines using multi-directional stitching

Benefits:

• Neat, straight seam appearance in all directions

• Precise penetration with reduced fabric damage

• Ideal for decorative and high-strength overlock seams in coated textiles and leathers