Aluminum Fixed-Line Trimmer Head – 0.49 in Bore
Aluminum Fixed-Line Trimmer Head – 0.49 in Bore
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A durable fixed-line head for compatible straight-shaft trimmers. This compact aluminum trimmer head holds replaceable cutting lines for grass edging, lawn touchups, and light weed control. Choose a pack with 4 or 20 replacement lines.
Compatibility note: This head is not guaranteed to fit every trimmer. Measure your current mounting hardware and compare all dimensions before ordering.
Key Dimensions
- Center bore: 0.49 in (12.5 mm)
- Mounting recess: 1.0 in (25.4 mm)
- Head diameter: 3.17 in (80.5 mm)
- Head thickness: 0.91 in (23 mm)
- Compatible line diameter: Less than 0.14 in (3.5 mm)
Measurements are approximate and are based on the product dimension image. Check your trimmer manual and existing head before purchase.
Choose Your Line Pack
- Head + 4 Lines: One aluminum trimmer head and four replacement cutting lines
- Head + 20 Lines: One aluminum trimmer head and twenty replacement cutting lines
Only the trimmer head and selected line pack are included. The trimmer, guard, shaft, adapter, nut, and other mounting hardware are not included unless shown as part of your selected option.
Product Features
- Aluminum alloy housing for repeated yard-care use
- Fixed-line design allows individual line pieces to be replaced
- Four line outlets provide an even cutting pattern when installed correctly
- Compact profile for trimming grass around open lawn areas and garden edges
Installation and Safety
- Turn off the trimmer, disconnect the spark plug, or remove the battery.
- Confirm the bore, recess, rotation, guard clearance, and mounting hardware match your trimmer.
- Install according to the trimmer manufacturer's instructions and tighten all hardware securely.
- Rotate the head by hand before starting. Do not use it if it rubs, sits off-center, or wobbles.
- Always use the correct guard, long pants, closed-toe footwear, gloves, and eye and face protection.
Keep people and pets away while operating. Avoid rocks, fences, concrete, glass, thick woody growth, and other hard objects that can damage the head or throw debris.
Frequently Asked Questions
Does this fit every weed trimmer?
No. Fit depends on your trimmer's center bore, mounting recess, shaft hardware, rotation, and guard clearance. Compare the dimensions above with your existing head and consult the manufacturer before ordering.
What line size can I use?
The dimension image states that cutting line under 0.14 in (3.5 mm) in diameter can be used. Choose line approved for your trimmer and application.
Are both options supplied with the aluminum head?
Yes. Select either one head with 4 replacement lines or one head with 20 replacement lines.
Is this intended for rocks or heavy brush?
No. It is intended for grass and light weeds in clear areas. Use an appropriate manufacturer-approved blade or cutting attachment for heavier growth.
Shop more garden tools or visit our frequently asked questions.

$9.99 USD
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