Saw Chain 20″ chainsaw (semi chisel)

Description

Product Overview

Product name: Alligator Pro Chainsaw Chain
Bar length: 20 inches (50 cm)
Chain type: 0.325″ standard pitch
Application: Firewood cutting, property maintenance, farm & ranch work, professional and semi-professional use

Full Technical Specifications

Specification	Details
Chain pitch	0.325″
Gauge	0.050″ (1.3 mm)
Drive links (DL)	78 DL
Compatible bar length	20-inch guide bar
Cutter type	Semi-chisel (most common configuration)
Chain sequence	Standard sequence
Kickback rating	Reduced-kickback
Recommended file size	3/16″ (4.8 mm)
Depth gauge setting	~0.025″ (0.65 mm)
Lubrication	Automatic oiling systems
Chain speed rating	Designed for mid-power petrol chainsaws

Key Features

✔ Balanced 0.325″ Pitch Performance
Offers an excellent compromise between cutting speed, smoothness, and control—ideal for 45–60 cc saws.

✔ 0.050″ Gauge – Lightweight & Efficient

• Less weight than .058 or .063 gauge
• Faster acceleration
• Reduced operator fatigue

✔ Heat-Treated Steel Cutters

• Good edge retention
• Reduced chain stretch
• Consistent cutting performance

✔ Smooth & Controlled Cutting

• Stable feed into wood
• Lower vibration than standard 3/8″
• Predictable handling

✔ Easy Maintenance

• Simple sharpening
• Widely available tools
• Compatible with most guide bars

Compatible Guide Bars

Any 20″ guide bar with:

• 325″ pitch
• 050″ gauge
• 78 drive links

⚠️ Always verify the bar stamp to confirm DL count.

Compatible Chainsaw Models

STIHL

• MS 260
• MS 261
• MS 271
• MS 291
• MS 311

Husqvarna

• 450
• 455 Rancher(0.325 setup)
• 460
• 545
• 550 XP

Echo

• CS-4510
• CS-4910
• CS-501P

Makita / Dolmar

• EA4300
• EA5000
• PS-5000

Other Brands

• Jonsered 2152 / 2253
• Shindaiwa 452 / 491

Important Compatibility Note

This chain fits ONLY bars marked:

• 325″ pitch
• 050″ gauge
• 78 DL

It will NOT fit:

• 3/8″ or 3/8″ LP pitch
• 058″ or 0.063″ gauge bars

Pitch, gauge, and drive-link count must match exactly.