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Milwaukee 3670-20, bare tool: M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder with Paddle Switch (Tool-Only)

Milwaukee · M18

3670-20

M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder with Paddle Switch (Tool-Only)

bare tool

Retailer says

$279.00

Available online · Home Depot ·

Our record

highest witnessed
$279.00
lowest witnessed
$229.00dated sighting — not from our day-by-day record

We conclude

We have witnessed this offer lower: $229.00 on May 1 2026.

Compare 5 tied offers Price record

Coverage · early record · watched since Mar 8 2026 · 19 price-days · no coverage gaps

WTV-MILWAUKEE-3670-20-HD-20260902-0400Open audit receipt

Compare exact listings

Current offers

5 tied lowest at $279.00 · Available online

Fresh eligible offers are ranked by item price. Shipping is not included. Stale, unavailable, or unconfirmed observations are retained below, never ranked.
RetailerPriceVerdictObserved
Home Depot $279.00
Checked
Factory Authorized Outlet $279.00 price only · no verdict Checked
Ohio Power Tool $279.00 price only · no verdict Checked
The Power Tool Store $279.00 price only · no verdict Checked
Tool Nut $279.00 price only · no verdict Checked
  1. Home Depot
    $279.00

    Checked

  2. Factory Authorized Outlet
    $279.00
    price only · no verdict

    Checked

  3. Ohio Power Tool
    $279.00
    price only · no verdict

    Checked

  4. The Power Tool Store
    $279.00
    price only · no verdict

    Checked

  5. Tool Nut
    $279.00
    price only · no verdict

    Checked

Retailers are ordered by price — never by what they pay us. Some links may earn this site a commission; the order and the verdicts don’t know which.

Witnessed price history

Price record

The Identify → Verify → Decide path is complete above. No verdict stands yet, so this appendix exposes the record itself: one exact Home Depot offer and every point-by-point observation behind the audit.

Evidence instrument · full point-by-point record

Offered price vs. their claimed ‘was’

Home Depot · Aug 15 2026–Sep 02 2026

Offered price vs. their claimed ‘was’ SEEN LOWER · $229 ON MAY 1. The offered price is $279 as of Sep 2 2026; the retailer claims a $279 reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Dated sightings outside the daily record: lowest witnessed $229.00 · May 1 2026 · dated sighting — not from our day-by-day record. The complete relevant record is already in this pane; a second map would repeat it. $270$280$290FULL POINT-BY-POINT RECORD19 PRICE-DAYS$279 · OFFERED · Sep 2$279 · THEIR CLAIMED ‘WAS’Aug 15Aug 24Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ SEEN LOWER · $229 ON MAY 1. The offered price is $279 as of Sep 2 2026; the retailer claims a $279 reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Dated sightings outside the daily record: lowest witnessed $229.00 · May 1 2026 · dated sighting — not from our day-by-day record. The complete relevant record is already in this pane; a second map would repeat it. $270$280$290FULL POINT-BY-POINT RECORD · 19 PRICE-DAYS$279 · OFFERED · Sep 2$279 · THEIR CLAIMED ‘WAS’Aug 15Aug 24Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ SEEN LOWER · $229 ON MAY 1. The offered price is $279 as of Sep 2 2026; the retailer claims a $279 reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Dated sightings outside the daily record: lowest witnessed $229.00 · May 1 2026 · dated sighting — not from our day-by-day record. The complete relevant record is already in this pane; a second map would repeat it. $270$280$290FULL POINT-BY-POINT RECORD · 19 PRICE-DAYS$279 · OFFERED · Sep 2$279 · THEIR CLAIMED ‘WAS’Aug 15Aug 24Sep 2 BROKEN SCALE · STARTS AT $267
  • offered, witnessed
  • their claimed “was”
  • no observations
  • detached price fact

Why this form

The complete relevant record is already in this pane; a second map would repeat it.

Detached evidence · not connected to the daily-last curves

  • dated sighting lowest witnessed $229.00 · May 1 2026 · dated sighting — not from our day-by-day recordSource · WTV-STATS-LOW-20260501
Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.
Price history, changes, and missing observations — 3 entries

Point ledger · stable row IDs

Price history, changes, and missing observations

3 entries · change points, gaps, and dated facts

Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
DateRecord eventOfferedClaimed “was”Receipt note
Dated Class B fact $229.00 — not retained
Receipt · receipt-20260501-class-b-witnessed-low

Durable summary fact · dated mark only · never connected to either curve.

Source · WTV-STATS-LOW-20260501

Durable summary fact · dated mark only · never connected to either curve.

Source · WTV-STATS-LOW-20260501
Point-by-point record begins $279.00 $279.00
Receipt · receipt-20260815-record-start

Class A · complete observation.

Source · WTV-EXPORT-00001

Class A · complete observation.

Source · WTV-EXPORT-00001
Latest complete observation $279.00 $279.00
Receipt · receipt-20260902-current

Class C · complete observation.

Source · WTV-EXPORT-00069

Class C · complete observation.

Source · WTV-EXPORT-00069

Separate records

More evidence for this exact configuration

Each retailer listing is a separate offer. Its current price, claim, witnessed history, availability, and verdict remain bounded to that listing—never merged into the lead record above.

Offer record · Factory Authorized Outlet listing 43913987195056

Wasitever · Claim Audit

3670-20

M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder with Paddle Switch (Tool-Only)

Milwaukee · M18 · bare tool · Factory Authorized Outlet · online national

Retailer says
$279.00 — Factory Authorized Outlet
Our record
watched 4 price-days spanning 4 calendar days
We conclude

The record is not mature enough to judge this claim.

Coverage · watched since Aug 30 2026· point-by-point since Aug 30 2026· 4 price-days · no coverage gaps· batch complete

Open this listing’s full evidence record · 4 price-days

Evidence instrument · full point-by-point record

Offered price vs. their claimed ‘was’

Factory Authorized Outlet · Aug 30 2026–Sep 02 2026

Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD · 4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD · 4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
  • offered, witnessed
  • their claimed “was”
  • no observations
  • detached price fact

Why this form

Claim absence changes only the retailer-claim series; offered observations remain continuous.

Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.

Point ledger · stable row IDs

Price history, changes, and missing observations

2 entries · change points, gaps, and dated facts

Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
DateRecord eventOfferedClaimed “was”Receipt note
Point-by-point record begins $279.00 — no observation
Receipt · receipt-20260830-record-start

Class C · complete observation.

Source · WTV-COLLECT-00042

Class C · complete observation.

Source · WTV-COLLECT-00042
Latest complete observation $279.00 — no observation
Receipt · receipt-20260902-current

Class C · complete observation.

Source · WTV-COLLECT-00072

Class C · complete observation.

Source · WTV-COLLECT-00072

Record credentials

What this page knows

Exact scope
Milwaukee · 3670-20 · bare tool · Factory Authorized Outlet · online national · config cfg-milwaukee-3670-20
Watched since
Aug 30 2026
Point-by-point since
Aug 30 2026
Observation record
4 price-days · collection walk; cadence not yet set
Latest covering batch
complete · 1888/1888 items · WTV-COLLECT-00072
Observation classes travel with the price record. They are never silently blended.
ClassRetained evidenceRendering law
Class A0 price-daysretained complete observations
Class B0 dated markdurable summary fact; never a curve
Class C4 price-daysnew longitudinal record

Coverage gaps · 0 coverage gaps · 0 continuity breaks

Offer record · Ohio Power Tool listing MTAzNTY0

Wasitever · Claim Audit

3670-20

M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder with Paddle Switch (Tool-Only)

Milwaukee · M18 · bare tool · Ohio Power Tool · online national

Retailer says
$279.00 — Ohio Power Tool
Our record
watched 5 price-days spanning 5 calendar days
We conclude

The record is not mature enough to judge this claim.

Coverage · watched since Aug 29 2026· point-by-point since Aug 29 2026· 5 price-days · no coverage gaps· batch truncated

Open this listing’s full evidence record · 5 price-days

Evidence instrument · full point-by-point record

Offered price vs. their claimed ‘was’

Ohio Power Tool · Aug 29 2026–Sep 02 2026

Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD5 PRICE-DAYS$279 · OFFERED · Sep 2Aug 29Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD · 5 PRICE-DAYS$279 · OFFERED · Sep 2Aug 29Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD · 5 PRICE-DAYS$279 · OFFERED · Sep 2Aug 29Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
  • offered, witnessed
  • their claimed “was”
  • no observations
  • detached price fact

Why this form

Claim absence changes only the retailer-claim series; offered observations remain continuous.

Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.

Point ledger · stable row IDs

Price history, changes, and missing observations

2 entries · change points, gaps, and dated facts

Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
DateRecord eventOfferedClaimed “was”Receipt note
Point-by-point record begins $279.00 — no observation
Receipt · receipt-20260829-record-start

Class C · complete observation.

Source · WTV-COLLECT-00032

Class C · complete observation.

Source · WTV-COLLECT-00032
Latest complete observation $279.00 — no observation
Receipt · receipt-20260902-current

Class C · complete observation.

Source · WTV-COLLECT-00070

Class C · complete observation.

Source · WTV-COLLECT-00070

Record credentials

What this page knows

Exact scope
Milwaukee · 3670-20 · bare tool · Ohio Power Tool · online national · config cfg-milwaukee-3670-20
Watched since
Aug 29 2026
Point-by-point since
Aug 29 2026
Observation record
5 price-days · catalog scan; cadence varies by product
Latest covering batch
truncated · 18222/18385 items · WTV-COLLECT-00070
Observation classes travel with the price record. They are never silently blended.
ClassRetained evidenceRendering law
Class A0 price-daysretained complete observations
Class B0 dated markdurable summary fact; never a curve
Class C5 price-daysnew longitudinal record

Coverage gaps · 0 coverage gaps · 0 continuity breaks

Offer record · The Power Tool Store listing 44452459315385

Wasitever · Claim Audit

3670-20

M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder with Paddle Switch (Tool-Only)

Milwaukee · M18 · bare tool · The Power Tool Store · online national

Retailer says
$279.00 — The Power Tool Store
Our record
watched 4 price-days spanning 4 calendar days
We conclude

The record is not mature enough to judge this claim.

Coverage · watched since Aug 30 2026· point-by-point since Aug 30 2026· 4 price-days · no coverage gaps· batch complete

Open this listing’s full evidence record · 4 price-days

Evidence instrument · full point-by-point record

Offered price vs. their claimed ‘was’

The Power Tool Store · Aug 30 2026–Sep 02 2026

Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD · 4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD · 4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
  • offered, witnessed
  • their claimed “was”
  • no observations
  • detached price fact

Why this form

Claim absence changes only the retailer-claim series; offered observations remain continuous.

Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.

Point ledger · stable row IDs

Price history, changes, and missing observations

2 entries · change points, gaps, and dated facts

Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
DateRecord eventOfferedClaimed “was”Receipt note
Point-by-point record begins $279.00 — no observation
Receipt · receipt-20260830-record-start

Class C · complete observation.

Source · WTV-COLLECT-00043

Class C · complete observation.

Source · WTV-COLLECT-00043
Latest complete observation $279.00 — no observation
Receipt · receipt-20260902-current

Class C · complete observation.

Source · WTV-COLLECT-00073

Class C · complete observation.

Source · WTV-COLLECT-00073

Record credentials

What this page knows

Exact scope
Milwaukee · 3670-20 · bare tool · The Power Tool Store · online national · config cfg-milwaukee-3670-20
Watched since
Aug 30 2026
Point-by-point since
Aug 30 2026
Observation record
4 price-days · collection walk; cadence not yet set
Latest covering batch
complete · 6738/6738 items · WTV-COLLECT-00073
Observation classes travel with the price record. They are never silently blended.
ClassRetained evidenceRendering law
Class A0 price-daysretained complete observations
Class B0 dated markdurable summary fact; never a curve
Class C4 price-daysnew longitudinal record

Coverage gaps · 0 coverage gaps · 0 continuity breaks

Offer record · Tool Nut listing 53393074225446

Wasitever · Claim Audit

3670-20

M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Braking Grinder with Paddle Switch (Tool-Only)

Milwaukee · M18 · bare tool · Tool Nut · online national

Retailer says
$279.00 — Tool Nut
Our record
watched 4 price-days spanning 4 calendar days
We conclude

The record is not mature enough to judge this claim.

Coverage · watched since Aug 30 2026· point-by-point since Aug 30 2026· 4 price-days · no coverage gaps· batch complete

Open this listing’s full evidence record · 4 price-days

Evidence instrument · full point-by-point record

Offered price vs. their claimed ‘was’

Tool Nut · Aug 30 2026–Sep 02 2026

Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD · 4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
Offered price vs. their claimed ‘was’ The offered price is $279 as of Sep 2 2026; the retailer supplied no claimed reference. No missing observation runs interrupt the point-by-point record. The vertical price scale visibly starts at $267. Claim absence changes only the retailer-claim series; offered observations remain continuous. $270$280$290FULL POINT-BY-POINT RECORD · 4 PRICE-DAYS$279 · OFFERED · Sep 2Aug 30Aug 31Sep 2 BROKEN SCALE · STARTS AT $267
  • offered, witnessed
  • their claimed “was”
  • no observations
  • detached price fact

Why this form

Claim absence changes only the retailer-claim series; offered observations remain continuous.

Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.

Point ledger · stable row IDs

Price history, changes, and missing observations

2 entries · change points, gaps, and dated facts

Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
DateRecord eventOfferedClaimed “was”Receipt note
Point-by-point record begins $279.00 — no observation
Receipt · receipt-20260830-record-start

Class C · complete observation.

Source · WTV-COLLECT-00041

Class C · complete observation.

Source · WTV-COLLECT-00041
Latest complete observation $279.00 — no observation
Receipt · receipt-20260902-current

Class C · complete observation.

Source · WTV-COLLECT-00071

Class C · complete observation.

Source · WTV-COLLECT-00071

Record credentials

What this page knows

Exact scope
Milwaukee · 3670-20 · bare tool · Tool Nut · online national · config cfg-milwaukee-3670-20
Watched since
Aug 30 2026
Point-by-point since
Aug 30 2026
Observation record
4 price-days · collection walk; cadence not yet set
Latest covering batch
complete · 6161/6161 items · WTV-COLLECT-00071
Observation classes travel with the price record. They are never silently blended.
ClassRetained evidenceRendering law
Class A0 price-daysretained complete observations
Class B0 dated markdurable summary fact; never a curve
Class C4 price-daysnew longitudinal record

Coverage gaps · 0 coverage gaps · 0 continuity breaks

Sibling configurations — 9, each with its own record

Exact-offer boundary

Sibling configurations, each with its own record

The records below are siblings, not substitutes. A kit or bundle keeps its own composition, history, and verdict.

Record coverage and classes — observations, gaps, and canonical identity

Record credentials

Record coverage and classes

Record credentials

What this page knows

Exact scope
Milwaukee · 3670-20 · bare tool · Home Depot · online national · config cfg-milwaukee-3670-20
Watched since
Mar 8 2026
Point-by-point since
Aug 15 2026
Observation record
19 price-days · up to six scheduled checks daily
Latest covering batch
truncated · 3221/3222 items · WTV-EXPORT-00069
Observation classes travel with the price record. They are never silently blended.
ClassRetained evidenceRendering law
Class A10 price-daysretained complete observations
Class B1 dated markdurable summary fact; never a curve
Class C9 price-daysnew longitudinal record

Coverage gaps · 0 coverage gaps · 0 continuity breaks