Description
STIHL 20″ Rollomatic E Guide Bar – .325″ Pitch, .050″ Gauge – Model 3003 812 3321 (Farm Boss Compatible)
The STIHL 3003 812 3321 is a rugged, dependable 20-inch Rollomatic E guide bar, perfect for landowners, farmers, and firewood cutters who rely on power and reliability. With a .325″ pitch and .050″ gauge, this bar is designed for mid-size STIHL chainsaws like the MS 291 Farm Boss, delivering excellent cutting performance with balanced weight and durability.
Product Features
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20″ bar provides reach for felling, bucking, and storm cleanup
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Designed for .325″ pitch, .050″ gauge chains
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Laminated construction offers strength with reduced weight
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Sprocket nose reduces friction and supports smooth chain rotation
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Ideal for general property maintenance, firewood, and medium-duty forestry tasks
Specifications
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STIHL Part Number: 3003 812 3321
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Alternate Format: 30038123321
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Bar Length: 20 inches (50 cm)
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Pitch: .325″
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Gauge: .050″ (1.3 mm)
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Nose Type: Sprocket tip
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Mount Type: 3003 (large bar mount)
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Series: Rollomatic E
Compatible STIHL Chainsaws
Ideal for use on STIHL saws with the 3003 bar mount and .325″ pitch system, including:
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MS 271, MS 291 (Farm Boss)
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MS 311, MS 362, MS 391
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MS 260, MS 261, and other mid-range pro or homeowner saws with the correct setup
Recommended Chain
Use with STIHL .325″ pitch, .050″ gauge chain such as:
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23RM3 / 3639 005 0081 (81 drive links)
Fitment Note
Make sure your saw is equipped with a .325″ pitch drive sprocket and supports .050″ gauge. Not compatible with 3/8″ or .063″ systems.
