KS-28186 Spring Side Seam Folder – Union Special NFpe

The Spring Side Seam Folder – Union Special NFpe – KS-28186 is an industrial sewing-machine binder/folder attachment designed for sewing side seams on compatible feed-of-the-arm machines. It is intended for compatible Japan-Made 2 or 3 Needle Feed-of-the-Arm Machine configurations. Its model/reference is 35800 (F337). Confirm your machine model, attachment mounting and required size before ordering.

Machine Parts

Spring Side Seam Folder – Union Special NFpe – KS-28186

The Spring Side Seam Folder – Union Special NFpe – KS-28186 is an industrial sewing-machine attachment designed for sewing side seams on compatible feed-of-the-arm machines. It guides and controls material as it enters the sewing area so the required fold, binding, tape, piping or seam configuration can be formed consistently. Fitment must be confirmed against the complete machine model, mounting arrangement and required size.

Purpose and Benefits

Why This Machine Part Matters

Sewing side seams on compatible feed-of-the-arm machines. The attachment helps guide the material into the required shape and position before it reaches the needle area, supporting repeatable sewing and a more controlled finished result.

Controlled Material Guiding

Guides fabric, tape, elastic, piping or other suitable material into the sewing area in a controlled path.

Consistent Folding & Positioning

Supports repeatable folding, binding or positioning according to the selected attachment size and sewing setup.

Application-Specific Fit

Designed for compatible Japan-Made 2 or 3 Needle Feed-of-the-Arm Machine applications and must match the machine’s attachment configuration.

Industrial Sewing Attachment

Suitable as a replacement or application attachment where the existing machine setup matches the required configuration.

Size and Compatibility Guidance

Choose the Correct Configuration

Machine Compatibility

Compatible machine type: Japan-Made 2 or 3 Needle Feed-of-the-Arm Machine. Confirm the full model, subclass and mounting arrangement before ordering.

Available Needle Gauge / Thickness

3/16" MH, 3/16" H, 3/16" XH, 1/4" MH, 1/4" H, 1/4" XH

Standard Thickness

Catalogue thickness reference: MH, H, XH. Material thickness must still be matched to the actual sewing application.

Reference & Setup

Reference: 35800 (F337). The entrance, exit, gauge and attachment position must match the required sewing result.

Binder and folder attachments are not universal. Confirm the machine model, mounting arrangement, material, required finished width and attachment size before ordering.

Parts Enquiry and Ordering

Send Us the Right Information

To help our parts team identify the correct binder or folder configuration, provide the following information when requesting a quote.

1

Machine Details

Provide the machine brand, complete model, subclass and needle configuration.

2

Existing Attachment

Send clear photographs of the existing binder or folder, mounting area and the material path through the attachment.

3

Part Code & Required Size

Include reference KS-28186, the required Needle Gauge / Thickness, material thickness and required finished width.

4

Required Quantity

Let us know how many binder or folder attachments are required.

Needle Gauge / Thickness

3/16" MH, 3/16" H, 3/16" XH, 1/4" MH, 1/4" H, 1/4" XH

Standard Thickness

MH, H, XH