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DeWALT®
21-MM Socket 3/8-Inch Drive 12-Point Hand Socket
- Mfg.#
- DWMT74186OSP
- Sku#
- 3971025
- DirectTorque technology
- Knurled control ring
- Hard stamped markings
* Estimated stock levels as of Sun, Apr 12, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
3/8 INCH DRIVE - 12 PT METRIC Size In=21MM
* Maximum initial battery voltage (measured without a workload)
Specifications
General
| Bolt Clearance Depth | 11/16 in |
|---|---|
| Drive End Outside Diameter | 1-3/32 in |
| Drive Size | 3/8 in |
| Finish | Polished Chrome |
| Material | Vanadium Steel |
| Measuring Type | Metric |
| Number of Points | 12 |
| Nut Depth | 9/16 in |
| Nut End Outside Diameter | 1-3/32 in |
| Overall Length | 1-5/32 in |
| Socket Size | 21 mm |
| Type | Hand Socket |
Dimensions
| Size | 21 mm |
|---|
Manufacturing Details
The following information is subject to change without notice
| Prop 65 Warning |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
|
|---|---|
| Shop USA | Yes |
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