



Real discussions from product enthusiasts
DEWALT DW2173: Hardened Steel vs. S2 Steel Bits
The DW2173 set utilizes hardened steel, which offers good durability for general use. However, many premium bit sets opt for S2 steel alloys, known for their superior impact resistance and flexibility, often translating to longer lifespans under high-torque applications and reduced risk of shattering compared to standard hardened steel.
Square Drive (Robertson) vs. Phillips: Torque & Cam-out
The DW2173 features square drive bits, commonly known as Robertson. This drive system is favored for its superior torque transfer capabilities and significantly reduced risk of cam-out (the bit slipping out of the screw head) compared to Phillips or Torx drives, especially when applying high rotational force.
DEWALT Tough Case: Customizable Storage vs. Fixed Layouts
The included DEWALT Tough Case features adjustable slots, allowing users to reconfigure bit placement for convenience and organization. This contrasts with many competitor cases that have fixed bit holders, offering greater flexibility but sometimes presenting challenges with bit retention as noted in user feedback.
Expert answers based on real user experience
Customer feedback indicates mixed results regarding long-term durability. While the set is constructed from shock-resistant, heat-treated steel with a hardened core for strength, some users report the bits wear out relatively quickly, suggesting they are best suited for general household tasks rather than heavy-duty applications. The steel composition and heat treatment aim to balance toughness and wear resistance, but performance can vary with screw head types and application torque. The 4.70/5 rating across over 6500 reviews suggests general satisfaction, but specific heavy-use scenarios might see faster wear compared to professional-grade alternatives.
Retailer Reviews
User experiences suggest that the #2 Robertson bits in this DEWALT set perform comparably to, rather than exceeding, those found in less expensive brands. While designed with a focus on reducing slipping, some users noted that the bits do not seat deeper into screw heads than other options. The square recess drive system is inherently designed for higher torque transfer and reduced cam-out compared to Phillips head screws, but precise manufacturing tolerances on the bit recess are critical for optimal engagement.
Retailer Reviews
The DEWALT branded Tough Case is described as solid and well-made, designed for bit storage. However, some users find inserting and removing bits from the case challenging, likening it to a 'pain in the neck.' The case includes adjustable slots, allowing users to customize the layout, but the retention mechanism for the bits may require a firmer grip or specific angle for easy access, which can impact workflow efficiency during frequent bit changes.
Retailer Reviews
While DEWALT specifies 'shock-resistant steel' and a 'hardened core' for the DW2173 bits, precise torque resistance values (e.g., in Nm or in-lbs) are not publicly disclosed. This type of steel typically undergoes heat treatment processes to achieve a Rockwell hardness rating between 50-60 HRC, balancing wear resistance with ductility to prevent shattering. For a standard 1/4-inch hex shank bit, typical torque limits can range from 150 in-lbs for lighter duty to over 400 in-lbs for heavy-duty bits, depending on the specific alloy and tempering. Without specific testing data, it's assumed these bits are engineered for common screw driving applications where torque does not exceed the capacity of the fastener itself.
Product Specification Analysis
The heat treatment process for DEWALT's bits, often involving tempering after hardening, aims to reduce brittleness while maintaining a high surface hardness (typically 55-60 HRC). This process is critical for resisting wear from repeated contact with metal fasteners. However, encountering abrasive materials like concrete dust or debris within screw heads can accelerate wear. The 'reduced breakage' feature suggests a balanced tempering process, but the specific alloy and precise heat treatment parameters are proprietary, making it difficult to quantify wear rates against specific abrasive conditions without comparative testing against materials like S2 steel or carbide-infused bits.
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DEWALT DEWALT 37- Piece Screwdriving Bit Set With Square Recess Mix, Hardened Steel Hex Shank (DW2173). Features: DEWALT DW2173 Screwdriver Bit Set is made of shock-resistant steel for maximu.... Hardened core for extra strength and reduced breakage. Specially designed to reduce slipping. Heat treated to resist breakage and wear. Includes: A DEWALT Branded Tough Case for Bit Storage.
| UPC | 028874121737 |
| ASIN | B00FJWY1BS |
| Set Name | 37-Piece Screwdriving Bit Set |
| Brand Name | DEWALT |
| Unit Count | 1 Count |
| Item Weight | 1.24 Pounds |
| Drive System | Square |
| Finish Types | Steel |
| Manufacturer | DEWALT |
| Model Number | DW2173 |
| Material Type | Alloy Steel |
| Drive End Style | Square Shank |
| Number of Pieces | 37 |
| Bit Compatibilities | #2 Phillips |
| Bit Set Composition | Bit Set |
| Bit Tip Configuration | Anti Slip Tip |
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Material Science Principles
| Drive Bit Shank Style |
| Hex |
| Manufacturer Part Number | DW2173 |
| Manufacturer Contact Information | TOWSON, MD 21286, US |
| Manufacturer Warranty Description | 30 DAYS |