# TLDR Review: DEWALT 1/2-Inch Diamond Drill Bit *Published: 2024-12-10 | Updated: 2024-12-21 | Source: https://shopsavvy.com/reviews-tldr/dewalt-12-inch-diamond-drill-bit* --- ## Verdict The DEWALT DW5578 1/2-Inch Diamond Drill Bit delivers a versatile and durable performance, effortlessly penetrating through tough materials when used correctly. Its requirement for frequent water soaking and slow operation might be a minor inconvenience, but the results speak for themselves, making it a worthwhile investment for anyone dealing with dense materials like tile, quartz, and granite. **Top pro:** Ideal for creating drainage holes in pottery planters. **Top con:** Requires soaking in water every 30 seconds to prevent overheating. ## Product: DEWALT 1/2-Inch Diamond Drill Bit **Brand:** DEWALT [Compare prices and price history on ShopSavvy](https://shopsavvy.com/products/dewalt-12-inch-diamond-drill-bit) ## Pros - Ideal for creating drainage holes in pottery planters. - Efficiently drills through a variety of materials like quartz countertops and 1-inch granite without issues. - Allows for controlled, steady drilling with effective water retention techniques. - Provides extremely easy and effective drilling, akin to 'a hot knife through butter.' - Demonstrates durability and better quality than other bits, lasting longer and easily drilling through hard concrete. - Suitable for drilling multiple holes in bottles without breakage and completing tasks quickly. ## Cons - Requires soaking in water every 30 seconds to prevent overheating. - Must be used at a slow speed and kept wet for effective performance. ## Pros vs Cons at a Glance | Pros | Cons | |------|------| | Ideal for creating drainage holes in pottery planters. | Requires soaking in water every 30 seconds to prevent overheating. | | Efficiently drills through a variety of materials like quartz countertops and 1-inch granite without issues. | Must be used at a slow speed and kept wet for effective performance. | | Allows for controlled, steady drilling with effective water retention techniques. | | | Provides extremely easy and effective drilling, akin to 'a hot knife through butter.' | | | Demonstrates durability and better quality than other bits, lasting longer and easily drilling through hard concrete. | | | Suitable for drilling multiple holes in bottles without breakage and completing tasks quickly. | | ## Last Seen Prices *Each price is the last one ShopSavvy observed, between 2024-12-21 and 2024-12-23; it may have changed since.* | Retailer | Price | Availability | Last seen | |----------|-------|-------------|-----------| | [PlumbersStock.com](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/ecb22c51-0e7d-0806-e7db-177506655810?source=shopsavvy&medium=article-review-tldr) | $15.27 | In Stock | 2024-12-23 (may have changed) | | [Shell Lumber and Hardware](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/a5e0a4d0-e2c6-e88d-47d2-59f8bc861d02?source=shopsavvy&medium=article-review-tldr) | $17.58 | In Stock | 2024-12-23 (may have changed) | | [Tool Nut](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/9bbf9d7d-d697-0321-b3dd-94f02a46a524?source=shopsavvy&medium=article-review-tldr) | $21.49 | In Stock | 2024-12-23 (may have changed) | | [McGuckin Hardware](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/013fd9c2-d38f-17e4-8787-42a9bbfbe2cc?source=shopsavvy&medium=article-review-tldr) | $22.99 | In Stock | 2024-12-23 (may have changed) | | [DK Hardware](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/cb4181ad-4db9-bcce-16bd-b89031682d68?source=shopsavvy&medium=article-review-tldr) | $23.16 | In Stock | 2024-12-23 (may have changed) | | [R.S. Hughes](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/e7c40a1d-d0b5-283f-d69a-12348dd3ba87?source=shopsavvy&medium=article-review-tldr) | $23.53 | In Stock | 2024-12-23 (may have changed) | | [MSC Industrial Supply](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/ec0c35e8-bcbd-006a-757b-7834754b5538?source=shopsavvy&medium=article-review-tldr) | $24.67 | In Stock | 2024-12-23 (may have changed) | | [Family Hardware](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/2f5cef33-e415-cd5b-4665-374becf9e030?source=shopsavvy&medium=article-review-tldr) | $24.74 | In Stock | 2024-12-21 (may have changed) | | [Do it Best](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/7603387b-f945-a4c4-dd03-982e292f00c3?source=shopsavvy&medium=article-review-tldr) | $24.99 | In Stock | 2024-12-23 (may have changed) | | [Hellers Hardware](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/53b5cbb2-9585-99d9-2d5a-7eac635829e5?source=shopsavvy&medium=article-review-tldr) | $24.99 | In Stock | 2024-12-23 (may have changed) | | [Theisen's](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/8e918e15-e099-5948-0211-137557a7e6ac?source=shopsavvy&medium=article-review-tldr) | $24.99 | In Stock | 2024-12-23 (may have changed) | | [Ace Hardware](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/680b96a6-086a-c47c-41da-c1632686d99d?source=shopsavvy&medium=article-review-tldr) | $25.99 | In Stock | 2024-12-23 (may have changed) | | [Toolmarts.com](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/8a09ff99-ff25-5a30-e0e9-4ef068c0aa27?source=shopsavvy&medium=article-review-tldr) | $31.09 | In Stock | 2024-12-23 (may have changed) | | [WhiteCap.com](https://shopsavvy.com/api/redirect/products/Kh7VxjGqmdWA91OVEW4j/offers/af690a30-b50b-43b9-f530-487dfbd3e2fb?source=shopsavvy&medium=article-review-tldr) | $37.99 | In Stock | 2024-12-23 (may have changed) | [See every retailer and the full price history on ShopSavvy](https://shopsavvy.com/products/dewalt-12-inch-diamond-drill-bit) --- *About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from ShopSavvy's price data (each price shows when it was last seen).* *Machine-readable access: append `.md` to any ShopSavvy URL, or send `Accept: text/markdown`, to get this page as Markdown. 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