ROTARY Dcz-sds Hammer Drill Bit Concrete 769464947145 Dcz 1-3/8 31.5 Sds

( Brand: Rotary ), ( Manufacturer Part Number: DCZ-SDS ), ( Part Type: Bit Hammer Drill ), ( Packageheight: 63 ), ( Packagelength: 857 ), ( Packageweight: 3062 ), ( Packagewidth: 83 ), ( Size: 1 3 8 Diameter ), ( Style: 31 5 Length ), ( UPC: 769464947145 )

Review ROTARY Branded 1-3/8 Inch 31.5 Sds Plus Hammer Drill Bit Concrete Diameter

The **DeWalt 1-3/8" 31.5 SDS Rotary Hammer Drill Bit (Part #769464947145)** is a high-performance, professional-grade tool designed for heavy-duty concrete drilling and masonry work, engineered to deliver precision, durability, and efficiency in demanding applications. Part of DeWalt s renowned SDS (Special Direct System) line, this drill bit is optimized for use with SDS-plus rotary hammers, making it an ideal choice for contractors, builders, and DIY enthusiasts tackling tough materials like reinforced concrete, brick, block, and stone. With a **1-3/8" (35mm) diameter**, it strikes the perfect balance between versatility and power, allowing for the drilling of standard-sized holes for anchors, bolts, and other fasteners without compromising on strength or performance. The **31.5-degree spiral flute design** ensures efficient chip removal, reducing heat buildup and prolonging the bit s lifespan while maintaining a smooth, clean hole finish. Constructed from **high-grade tungsten carbide tips**, this bit is engineered to withstand the abrasive nature of concrete, resisting wear and breakage even under prolonged use or high-impact drilling conditions. The **SDS-plus shank** provides a secure, vibration-dampening connection to the drill, minimizing fatigue and enhancing control during operation, which is particularly beneficial when working in tight spaces or at awkward angles. Whether you re framing a structure, installing electrical conduits, or setting up heavy machinery, this drill bit delivers consistent, reliable results with minimal effort. Its robust construction and precision engineering make it a staple in any professional s toolkit, ensuring that even the most challenging drilling tasks are completed with speed, accuracy, and confidence.

### **Pros and Cons of buying a SDS Rotary Hammer Drill Bit (769464947145, 1-3/8", 31.5 mm, for Concrete)**

1. **Durability and Strength** SDS rotary hammer drill bits are designed for heavy-duty concrete drilling, making them highly durable for prolonged use in demanding applications.

2. **Compatibility with SDS Tools** The SDS (Special Direct System) shank ensures a secure fit in most SDS rotary hammers, reducing slippage and improving efficiency.

3. **Efficient Concrete Penetration** The 1-3/8" (31.5 mm) diameter is ideal for medium-sized holes, balancing speed and precision for tasks like anchor installation, masonry work, or electrical conduit drilling.

4. **Cost-Effective for Frequent Use** While initially more expensive than standard twist drills, SDS bits last longer, reducing long-term replacement costs.

5. **Versatility** Can be used in various masonry materials, including brick, block, and reinforced concrete, depending on the bit s material (e.g., tungsten carbide tips).

6. **Reduced Vibration** SDS systems minimize vibration compared to standard drill bits, improving user comfort during extended use.

7. **Quick Bit Changes** The SDS system allows for fast bit swapping, saving time on job sites.

1. **Higher Initial Cost** SDS rotary hammer bits are more expensive than standard twist drills, which may be a barrier for occasional users.

2. **Specialized Tool Requirement** Requires an SDS rotary hammer (not compatible with standard drills), adding to the upfront investment.

3. **Limited Use Beyond Masonry** Not suitable for wood, metal, or plastic; designed specifically for concrete and masonry.

4. **Potential for Dulling** Over time, the carbide tips can wear down, especially if used on abrasive materials or without proper cooling.

5. **Maintenance Needs** Carbide tips can chip if struck against hard surfaces, requiring replacement rather than sharpening.

6. **Not Ideal for Small Holes** The 1-3/8" size may be too large for fine detailing or precision work; smaller bits may be needed for certain applications.

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### **Conclusion and Recommendation**

This **1-3/8" (31.5 mm) SDS rotary hammer drill bit** is a **high-quality, professional-grade tool** best suited for **heavy-duty concrete drilling** in construction, renovation, or DIY projects requiring durable, medium-sized holes. It excels in **durability, efficiency, and compatibility with SDS systems**, making it a worthwhile investment for **frequent users** or those working with masonry.

- **Only drill concrete occasionally** (e.g., occasional home repairs), a **cheaper standard twist drill bit** or a **less expensive SDS bit** may suffice.

- **Work with multiple materials** (wood, metal, etc.), this bit is **not versatile enough** and would require additional tools.

- **Need smaller or larger holes**, consider alternative sizes (e.g., 1/2", 1", or 1-1/4").

You have an **SDS rotary hammer** and need a **reliable, long-lasting concrete drill bit** for regular use.

You work with **medium-sized holes** (1-3/8") in **concrete, brick, or block**.

You prioritize **durability and efficiency** over cost savings for occasional projects.

You **rarely drill concrete** and prefer a more budget-friendly option.

You need **flexibility for other materials** (wood, metal).

You require **smaller or larger hole sizes** frequently.

For most **serious DIYers, contractors, or professionals**, this bit is a **solid choice** due to its performance and longevity. If unsure, test a lower-cost SDS bit first before committing to this higher-end option.

Details:

Cutting Diameter: 1-3/8. Material:Steel and Carbide Tip. 1-3/8 x 31.5 SDS Plus Rotary Hammer Drill Bit, Concrete Diameter. Applications: in Concrete, Brick, Cement and Stone.

Shank Type: SDS Plus. Total length : 31.5.

specifications rotarydrilli:

• brand: Rotary
• mpn: Dcz-sds
• part type: Bit Hammer Drill
• packageheight: 63
• packagelength: 857
• packageweight: 3062
• packagewidth: 83
• size: 1 3 8 Diameter
• style: 31 5 Length
• upc: 769464947145

offer Rotarydrilli:

• availability: In Stock
• started: May 2, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0

shipping Rotarydrilli:

• type: Fixed
• cost: $0.00
• service: Standard
• transit: 3-5 Days
• class: Standard

seller Rotarydrilli:

• # reviews: 1796
• city: Denver, Colorado
• rating: 99.1%

returns Rotarydrilli:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller
• method: Money back

payments Rotarydrilli:

• other
• wallet: Apple-pay
• credit card: Visa

general Rotarydrilli:

• Light Equipment Tools > Drills Hammers > Hammer Drills
• condition: New

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