Komatsu D20 D21 Cutting Edges Kit 10G-72-21260 / 10G-72-21270

OEM Komatsu D20 D21 Cutting Edges Kit. It includes: 1 piece of straight cutting edges 10G-72-21260 and 2 pieces end bits 10G-72-21270, matching plow bolts, nuts, and washers for complete installation. Designed specifically for Komatsu D20 and D21 bulldozer blades, this kit ensures a direct fit without modification. Each component is manufactured to original equipment specifications, guaranteeing consistent performance in earthmoving, grading, and light to medium dozing applications.

1. Komatsu D20 D21 Cutting Edges Kit Technical Specifications

Parameter	Details
Part Number	10G-72-21260 / 10G-72-21270
Install Type	Bolt-on
Bolt Holes	11 holes per edge, 5 holes per end bit
Material	MnB
Payment	T/T, L/C or as your requirements
Type	Straight Blades

2. Detailed Information For Komatsu D20 D21 Cutting Edges Kit

10G-72-21260: Straight Blade, 1100mm length, 45mm thickness, 300mm width. Weld cladding is applicable.
10G-72-21270: Straight Blade, 1100mm length, 45mm thickness, 300mm width. Weld cladding is applicable.
Matching Bolts: Plow Bolt
Matching Nuts: Nut
Matching Washers: Heavy-duty flat washers for secure fastening.

3. Production Process For Cutting Edges Kit

Profiling: Roughly cut the blank shape of the cutting edges from high-strength steel plates using precision laser cutting, according to the contour specified in the drawing.
Punch Press: Use a punch press to perform hole punching, trimming, or forming on localized areas of the blade to create bolt hole positions.
Multi-spindle Drilling: Drill multiple bolt holes simultaneously in one feed stroke for consistent hole alignment and accuracy.
Heat Treatment: Typically consists of quenching followed by low-temperature tempering to achieve high hardness and wear resistance. Control heating temperature and cooling rate to prevent cracking or insufficient hardness.
Painting and Packaging: Apply anti-rust coating, then securely pack in reinforced wooden crates with foam cushioning for safe transport