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Diablo Rebar Demon SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit | 5/8" Diameter, 36" Length, 31" Working Length - Precision Tip, Impact Resistant, Tri-Metal Fusion Welding - DMAMX1120

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Rated4.5(7 ratings)Only 1 left

Good price

$75.32 is 14% below the $88.61 it normally sells for, and the lowest we've seen in 143 days.

Now
$75.32
Normally
$88.61
Lowest in 143 days
$75.32(Nov 12)
Highest
$102.97
Evidence: Thin143 days tracked50 price changesTreat this verdict as provisional.

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

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Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $75.32. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Not checked yet

The listing shows

crossed out: Typical $88.61 −15%

We need more price history before we can check this discount.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 22 · 143 days · 50 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 14% below its normal price of $88.61. Diablo Rebar Demon SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit price history, checked Nov 12, 2026: current price $75.32, normal (typical) price $88.61, average $93.04 over 143 days, lowest $75.32 (Nov 12, 2026), highest $102.97 (Sep 16, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $88.61
  • 5% or more below normal

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B089LJFH3C
Request
curl https://trackpin.co/api/v1/product/B089LJFH3C \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 23:53 UTC
{
  "asin": "B089LJFH3C",
  "title": "Diablo Rebar Demon SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit | 5/8\" Diameter, 36\" Length, 31\" Working Length - Precision Tip, Impact Resistant, Tri-Metal Fusion Welding - DMAMX1120",
  "image": "https://m.media-amazon.com/images/I/51TrHLCw1ZL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Home Improvement",
  "category_label": "Tools & Home Improvement",
  "in_stock": true,
  "price": {
    "current_cents": 7532,
    "reference_cents": 8861,
    "discount_pct": 15,
    "is_deal": true,
    "observed_at": 1794523834152,
    "changed_at": 1794509588589,
    "checked_at": 1794523834152,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 15,
    "evidence": "thin",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $75.32 is 14% below the $88.61 it normally sells for, and the lowest we've seen in 143 days."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 8861,
    "claimed_pct": 15,
    "real_pct": 15,
    "class": "unchecked",
    "observed_at": 1794523835838
  },
  "stats": {
    "min_cents": 7532,
    "max_cents": 10297,
    "avg_cents": 9304,
    "history_days": 143,
    "price_levels": 193,
    "price_changes": 50,
    "distinct_prices": 14,
    "lowest_at": 1794509588589
  },
  "history": [
    {
      "price_cents": 9977,
      "from": 1793230869649,
      "to": 1793234856637
    },
    {
      "price_cents": 8861,
      "from": 1793241703959,
      "to": 1793963759399
    },
    {
      "price_cents": 8861,
      "from": 1794263421053,
      "to": 1794300696740
    },
    {
      "price_cents": 7999,
      "from": 1794505812289,
      "to": 1794505812289
    },
    {
      "price_cents": 7532,
      "from": 1794509588589,
      "to": 1794523834152
    }
  ],
  "last_seen": 1794523835838
}
// … 188 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.