Fitment first · Trimmer · SKU B0D3TKZ9MS

12 Inch Chainsaw Chain and Bar

12 Inch Chainsaw Chain and Bar, Replacement Chainsaw Blade For DEWALT DCCS620B DCCS620P1 For CRAFTSMAN CMCCS620M1, DWO1DT612

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Buyer rating 4.8 / 5
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Compatibility checkpoint

Verify this before you buy

3 listed model matches
1 Match the machine model

Compare the model printed on your trimmer label with the fitment list below.

2 Confirm the line and spool spec

bar & chain

3 Check the part code

Match part B0D3TKZ9MS or ASIN B0D3TKZ9MS against the listing and your old part.

Listed model matches
DEWALT DCCS620B DCCS620P1CRAFTSMAN CMCCS620M1DWO1DT612
Equipment brandDeWalt, Craftsman
ReplacesB0D3TKZ9MS
Spool typebar & chain
CategoryTrimmer
ConditionNew aftermarket replacement

Overview

This aftermarket replacement chain is precision-ground to provide consistent cutting performance across a variety of wood types. When a chain becomes visibly dull, produces fine sawdust instead of chips, or requires pressure to cut, it is time for replacement. Keeping a spare chain on hand minimizes downtime during extended cutting sessions.

Key specifications

  • Replacement chainsaw chain
  • Pre-sharpened cutters ready for immediate use
  • Heat-treated for extended cutting life

Compatibility

This chain is designed to fit DeWalt chainsaws and compatible models listed above. Confirm the pitch, gauge, and drive link count match your bar’s specifications before ordering.

Installation notes

Disconnect power before servicing. Remove the bar cover, release tension, and extract the old chain. Install the new chain with cutters on the top rail pointing away from the saw body. Set tension, tighten bar nuts, and test by pulling the chain by hand to ensure smooth rotation.

Common questions

Q: Will this 12 inch chainsaw chain and bar fit my DEWALT DCCS620B and CRAFTSMAN CMCCS620M1, or is it only for one brand?

Yes, this bar and chain set is made to fit DEWALT DCCS620B, DCCS620P1, and CRAFTSMAN CMCCS620M1 models, and it also matches the DWO1DT612 replacement setup. Since these models share the same 12 inch platform, it installs as a direct replacement when your original bar and chain use the same mounting pattern and size.

Q: Do I need any special steps to install this 12 inch bar and chain on a DCCS620P1?

Installation is straightforward: remove the side cover, take off the old bar and chain, then seat the new bar and loop the chain around the sprocket and bar groove with the cutting teeth facing the correct direction on the top of the bar. After that, set chain tension so it snaps back lightly when pulled from the bar, then add bar and chain oil and recheck tension after the first few cuts.

Q: How do I keep this replacement bar and chain cutting well on my DEWALT DCCS620B?

Keep the chain properly tensioned, make sure the oil reservoir stays filled, and clean sawdust from the bar groove and oiling hole regularly so the bar gets proper lubrication. It also helps to inspect chain sharpness often and flip the bar periodically to promote even wear on both sides.

Compatibility

This page lists compatible equipment gathered from the product fitment data. Always confirm the model number stamped on your machine before ordering.

DEWALT DCCS620B DCCS620P1CRAFTSMAN CMCCS620M1DWO1DT612

Not sure which spool you need? See our guide: How to wind a trimmer spool or How to measure your old spool.

Before you buy — how to verify fitment

  1. Find your trimmer model number. It's usually on a label on the motor housing, battery slot, or lower shaft.
  2. Check spool compatibility. Compare the model number with the compatibility list above.
  3. Verify line gauge. Confirm the line thickness matches what your trimmer head requires by checking your manual or the old spool.
  4. Inspect the spool housing. Make sure the spool diameter, cap, spring post, and feed style match your trimmer head.

Frequently asked questions

How do I know this spool fits my trimmer?

Check your trimmer model number against the compatibility list above. Then verify the line gauge (.065, .080, .095) matches what your trimmer head requires — it's usually printed on the spool cap or in the manual.

Can I rewind a pre-wound spool?

Yes. Once the factory line runs out, you can rewind the spool with bulk trimmer line of the same gauge. Pre-wound spools just save time on the first load.

How often should I replace the spool?

Replace the spool when the line no longer feeds properly, the spring loses tension, or the spool body is cracked. Under normal weekend use, a spool lasts 2–4 refills before the housing wears out.

What gauge trimmer line should I use?

Match the gauge to your trimmer's power: .065" for light-duty electric trimmers, .080" for mid-range cordless, and .095" for gas-powered or heavy-duty models. Using too thick a line can stall the motor.

Where to buy

This part is available through Amazon with free returns on most orders. Use the fitment details above to compare your model, old part number, and physical specs before ordering.

Check current price on Amazon

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