Stihl Oilomatic Rapid Micro chainsaw chain 18" 3-Pack — 68 Links .325" Pitch, 0.63 mm Gauge

The Stihl 26RM3-68 is a 3-pack of Oilomatic Rapid Micro chains designed for 18" bars, featuring 68 links, .325" pitch and 0.63 mm gauge for fast, smooth cutting with Stihl compatibility.

This replacement chain set is built to match Stihl’s Oilomatic system and Rapid Micro geometry for efficient cutting on a range of saws that accept .325" pitch and 0.63 mm (0.025") gauge chains. Sold as a three-pack, it gives you spare chains on hand to maintain peak cutting performance and reduce downtime when working through brush, firewood, or limbing tasks. The design balances bite and feed to cut responsibly across softwood and mixed hardwoods while staying compatible with many popular Stihl saw models and aftermarket bars that use 18" length.

How does this chain improve cutting efficiency?

The Rapid Micro cutter profile reduces vibration and requires less power per cut, translating into faster feed rates and smoother operation. The chain’s geometry optimizes chip clearance and reduces clogging when cutting green or resinous wood. With proper tension and a sharp cutter, you’ll notice steadier pull and cleaner cuts.

• 68 drive links tuned to 18" bar length for correct fit and even cutting.
• .325" pitch provides a balance between tooth size and smoothness.
• 0.63 mm gauge (0.025") offers compatibility with Stihl micro-guide bars.
• Rapid Micro design lowers vibration and improves feed efficiency.

Will these chains fit my Stihl saw and bar?

These chains are intended for 18" guide bars that accept 68 drive links with a .325" pitch and 0.63 mm gauge—common on many Stihl models and compatible aftermarket bars. Always verify your saw’s manual or existing chain markings to confirm pitch, gauge and link count before purchasing. If your saw requires a different gauge or pitch, choose the matching chain specification for safe operation.

• Check your current chain for markings: 26RM3-68, .325, 0.63, or 68 links.
• Confirm the guide bar is 18" and accepts .325" pitch chains with 0.63 mm gauge.
• Works with Stihl Oilomatic bars and compatible aftermarket micro-guide bars.

How do I install and maintain these replacement chains?

Installation follows the typical chain, bar, and sprocket alignment process: loosen the bar nuts, seat the chain on the sprocket, route it around the bar, set proper tension, then retighten. Routine maintenance—sharpening, correct lubrication and checking tension—prolongs chain life and keeps cutting efficient. Use a round file sized to the cutter and maintain manufacturer-recommended angles.

• Set initial tension so the chain hugs the bar but snaps back when pulled.
• Keep the Oilomatic lubrication port clear and use bar oil for proper lubrication.
• Sharpen with the correct file diameter and maintain consistent cutter angles.
• Replace when cutters are worn down or drive links are damaged.

How many spare chains should I carry for field work?

This 3-pack gives a practical balance of spares without excess weight—ideal for a full day of cutting or multi-day jobs where resharpening access is limited. Having two or three chains on hand prevents productive downtime from dulling or unexpected damage. Rotate chains between sharpening sessions to extend overall cutting capacity.

• Three chains typically cover extended cutting tasks or a full workday.
• Carry at least one sharp spare when working remote or in professional use.
• Use a portable sharpener to refresh cutters and maximize each chain’s life.

Who is this for: This Stihl 26RM3-68 3-pack is aimed at homeowners, arborists and professional loggers who use 18" guide bars and need Stihl-compatible .325" pitch, 0.63 mm gauge chains. It suits people who value reduced vibration, smoother feed and the convenience of having immediate spares for continuous work. If your saw’s specs match, this three-pack simplifies maintenance and keeps you cutting with OEM-style chain geometry, whether you’re clearing brush, limbing trees or processing firewood.