STIHL Rapid Duro 3 (RD3) Chainsaw Chain 3/8", 1.6 mm, 40 cm

If you often cut in tough, dirty or abrasive conditions, a standard chain can dull fast and slow you down. The STIHL Rapid Duro 3 (RD3) is a hard‑metal chainsaw chain that stays sharp up to ten times longer than conventional chains, helping you keep cutting with fewer interruptions.

Built for frequent use and extreme loads, RD3 works with noticeably lower kickback and reduced vibration, so you can cut confidently and comfortably throughout the day.

Where this chain shines

• Landscaping and grounds care with sandy, gritty wood
• Cutting storm-damaged or dirty timber
• Working near soil or roots where abrasion is common
• Demanding jobs that punish ordinary chains

Why you’ll like it

• Carbide-tipped durability for extreme requirements
• Stays sharp far longer—up to 10x vs. standard
• Low kickback thanks to bumper drive links
• Reduced vibration for smoother handling

In daily use

The chain runs smoothly with a solid bite, even when the wood isn’t pristine. You’ll notice fewer sharpening stops across a workday. Match it to a 3/8" pitch bar with 1.6 mm (.063") gauge and a 40 cm guide bar for best results.

Essential specs at a glance

• Chain pitch: 9.32 mm / 3/8"
• Drive link gauge: 1.6 mm / .063"
• Guide bar length: 40 cm

Advice from gardenmachineshop.com

Carbide chains shine when conditions are abrasive—still, keep your bar groove clean and tension the chain correctly to maximize cutting performance and service life.

Returns: as a consumer you can withdraw from your purchase within 14 days of receiving it, without giving a reason – this also applies to parts we order in specially for you. See our Refund & return policy for how to return an item and who pays the return shipping.