The Stihl RM Rapid Micro 18″ (45 cm) chainsaw chain is a genuine OEM replacement designed for dependable cutting on mid-range saws. With a 3/8″ (9.53 mm) pitch, .063″ (1.6 mm) gauge, and 66 drive links, this loop is built for guide bars and sprockets stamped to these specifications.
Manufactured from heat-treated alloy steel with chrome-plated semi-chisel cutters, it balances cutting speed, edge retention, and easy sharpening. Its forgiving Rapid Micro profile ensures smoother performance in softwood and hardwood, even in slightly dirty conditions. A reliable choice for both professional forestry crews and DIY operators, supplied as a pre-joined loop for quick installation.
Key Features
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Genuine Stihl chain (OEM No. 3652 000 0066)
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18″ (45 cm) loop with 66 drive links
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Pitch: 3/8″ (9.53 mm); Gauge: .063″ (1.6 mm)
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Rapid Micro semi-chisel cutters for smooth, low-chatter cutting
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Chrome-plated, heat-treated cutters for long service life
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Robust riveted construction to resist stretching and maintain tension
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Designed for balanced cutting in hardwoods and softwoods
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Easy to fit and tension on correctly matched bars
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Suitable for regular forestry, landscaping, and firewood tasks
Typical Applications
Built for general felling, cross-cutting, firewood processing, storm clean-up, pruning, and grounds maintenance. Performs reliably in mixed timber conditions, making it a practical replacement for mid-sized chainsaws in farm, estate, and forestry use.
Also known as
Stihl RM Rapid Micro chain, 18″ (45 cm) 66DL chain loop, 3/8″ x .063″ chain, semi-chisel saw chain, 66 drive link loop, Stihl 3652 series chain.
Alternate Part Numbers
3652 000 0066, 3652-000-0066, 36520000066
