Product Specifications

Brand: Esko Kongsberg

Model: BLD-SF421

Part Number: 42458257 / G42458257

Alternative Reference: i-421 / Zund Z21 / 3910314

Blade Type: Single-Edge Oscillating Knife

Blade Profile: Flat, Pointed

Cutting Angle: 5° / 25° 

Material: Tungsten Carbide

OEM Maximum Cutting Depth: 10 mm

Replacement Supplier Listed Cutting Length: 17.2 mm

Supplier Listed Dimensions:

• Blade Height: 28 mm

• Blade Width: 4 mm

• Blade Thickness: 0.63 mm

Compatible Tooling:

• MP HF Knife Tool – Adapter 34044107

• VibraCut / HF VibraCut – Adapter 34047241

• Hi-Force Knife Tool – Adapter 34046557

Recommended Materials:

• Corrugated Board

• Foam Board

• Corrugated Plastic

• Folding Carton

• Rubber

• Suitable Foam Materials

Key Features

• Replacement-compatible Esko Kongsberg BLD-SF421 blade

• Single-edge oscillating knife design

• 5°/25° cutting geometry

• Fine pointed blade profile for detailed cutting

• Suitable for corrugated board and foam board

• Designed for compatible MP HF and VibraCut tooling

• Available in tungsten carbide replacement specification

• Custom manufacturing and wholesale supply available