K-File Size 40

K-File Size 40 is a robust endodontic hand instrument designed for enlargement and shaping of wider root canals during root canal therapy. Manufactured to precise ISO standards, it provides strength, cutting efficiency, and control—making it ideal for mid-to-late stages of canal preparation.

Constructed from high-quality stainless steel (NiTi variants available), the K-File 40 features a twisted, precision-cut design that enhances dentin removal while maintaining operator control. It is suitable for filing and watch-winding motions, supporting smooth and predictable canal shaping.

Ideal for use in dental clinics, hospitals, and teaching institutions, K-File Size 40 is an essential instrument for achieving optimal canal taper and preparation prior to obturation.

Key Features

• ISO Size: 40

• Designed for canal enlargement & shaping

• Strong, efficient cutting performance

• Twisted design for controlled dentin removal

• Color-coded handle for easy size identification

• Autoclavable for repeated professional use

Applications

• Enlargement of prepared root canals

• Shaping of wider or flared canals

• Mid-to-late stage endodontic procedures

Product Specifications

• Product Name: K-File

• Size: ISO 40

• Material: Stainless Steel (NiTi variant available)

• Lengths: 21mm / 25mm / 31mm (variant-dependent)

• Use: Professional dental use only