Top 10 21mm Socket 1/2 Drive – Star Drive Sockets

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1. Craftsman

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CRAFTSMAN Deep Impact Socket, 21mm CMMT16081, 1/2-Inch Drive, Metric

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Craftsman #ad - Increased torque: 6-point impact socket comes with fastener. Quick size identification: Impact sockets 1/2 drive comes with large markings. Meets or exceeds ASME Specifications. Corrosion resistant: Metric Socket have a black oxide finish. Full lifetime warranty, refer to "Warranty & Support" section below for full details.
BrandCraftsman #ad
ManufacturerCRAFTSMAN #ad
Part NumberCMMT16081
ModelCMMT16081

2. Craftsman

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Metric, 1/2-Inch Drive, 21mm CMMT15868, CRAFTSMAN Shallow Impact Socket

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Craftsman #ad - Full lifetime warranty, refer to "Warranty & Support" section below for full details. Quick size identification: Metric Sockets Come with Large Markings. Corrosion resistant: Impact Socket Has Black Oxide Finish. Increased torque: 6-Point Impact Sockets 1/2 Drive with fastener. Meets or exceeds ASME Specifications.
BrandCraftsman #ad
ManufacturerCRAFTSMAN #ad
Part NumberCMMT15868
ModelCMMT15868

3. TEKTON

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TEKTON 1/2 Inch Drive x 21 mm Deep 6-Point Socket | SHD23121

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TEKTON #ad - Polished, chrome-plated finish easily wipes clean and is highly resistant to corrosion. Socket geometry is designed to apply force to flat sides of fasteners and not the corners, preventing round-off.

Extra-large die-stamped size markings are easy to read and can’t wear off. Beveled inner rim of the socket opening helps guide it smoothly onto fasteners. Overall socket length: 3. 02 inches, socket end diameter: 1. 1 inches, drive End Diameter: 1. 1 inches, socket Well Depth: 1. 34 inches. Four detent grooves provide a secure connection with the drive tool. 6-point socket opening provides an ideal, exact fit for hex-shaped fastener heads. Deep-length sockets reach into wells and accommodate the excess threads of longer shafts.
BrandTEKTON #ad
ManufacturerTEKTON #ad
Height1.1 Inches
Length3.1 Inches
Weight0.39 Pounds
Width1.1 Inches
Part NumberSHD23121
ModelSHD23121
WarrantyNo time limits, no receipts: tekton.com/tool-help

4. TEKTON

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TEKTON 1/2 Inch Drive x 21 mm 12-Point Socket | SHD22321

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TEKTON #ad - Extra-large die-stamped size markings are easy to read and can’t wear off. Overall socket length: 1. 5 inches, socket end diameter: 1. 14 inches, drive End Diameter: 1.

07 inches, socket Well Depth: 06 inches. Standard-length socket is relatively versatile and suitable for a wide range of applications. Beveled inner rim of the socket opening helps guide it smoothly onto fasteners. Socket geometry is designed to apply force to flat sides of fasteners and not the corners, preventing round-off. Polished, chrome-plated finish easily wipes clean and is highly resistant to corrosion. 12-point opening fits double hex 12-sided, hex, and square-shaped fasteners. Four detent grooves provide a secure connection with the drive tool.
BrandTEKTON #ad
ManufacturerTEKTON #ad
Height1.2 Inches
Length1.5 Inches
Weight0.2 Pounds
Width1.2 Inches
Part NumberSHD22321
ModelSHD22321
WarrantyNo time limits, no receipts: tekton.com/tool-help

5. TEKTON

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TEKTON 1/2 Inch Drive x 21 mm 6-Point Impact Socket | SID22121

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TEKTON #ad - Radiused corners prevent fastener round-off by applying force to a fastener's flat sides, rather than its corners. Drive end diameter: 1. 19 inches. Meets a minimum of 1. 3 times the ansi/ASME standard for proof torque. 6-point socket opening provides an exact fit for hex fasteners. Socket end diameter: 1. 19 inches. Overall socket Length: 1. 50 inches. Size is marked both with a high-visibility laser marking and a permanent stamped marking that won't wear off. Socket well depth: 059 inches.
BrandTEKTON #ad
ManufacturerTEKTON #ad
Height1.2 Inches
Length1.5 Inches
Width1.2 Inches
Part NumberSID22121
ModelSID22121
WarrantyNo time limits, no receipts: tekton.com/tool-help

6. Craftsman

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CRAFTSMAN Shallow Socket, Metric, 12-Point CMMT44249, 1/2-Inch Drive, 21mm

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Craftsman #ad - Meets or exceeds ASME Specifications. Quick size identification: Large Markings. Full lifetime warranty, refer to "Warranty & Support" section below for full details. Corrosion resistance: The Shallow Socket Has Full Polish Chrome Finish. Quick engagement: metric Sockets Feature 12 Point Box End with Fastener.
BrandCraftsman #ad
ManufacturerCRAFTSMAN #ad
Part NumberCMMT44249
ModelCMMT44249

7. ARES

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Color Coded and Laser Etched for Easy Identification, Protective Sleeve Protects Custom Rims and Lug Nuts from Damage, ARES 70022-1/2-Inch Drive 21MM Non-Marring Impact Lug Nut Socket

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ARES #ad - Custom wheels: you’ve invested a considerable amount of money in your new car or aftermarket rims. If you have a pet, they are part of the family. This non-marring socket is 1/2-inch drive and Chrome Molybdenum, so feel free to use your impact wrench. This socket will hold up! Dimensions: the outside diameter of this non-marring lug nut socket is 1.

23 inches. Design considerations: this non-marring lug nut socket features a protective vinyl jacket that prevents scratches on aluminum or custom rims during service. You are backed by our Performance Assurance Limited Lifetime Warranty. Please note: some wheels have very confined lug wells and the outer nylon sleeve may be prohibitive in accessing the lug. If you have any issues with your ares Non-Marring Lug Nut Socket, simply contact customer service for troubleshooting help, replacement, parts, or refund.

Reliable | effective | efficient: users trust ares to be quality tools. Protecting this investment with the right tool makes sense. Aspca business ambassador: we are proud to be part of the aspca business Ambassador Program. With your support, you realize they are more than a pet, we’re proud to help this great organization. The hollow design allows room for removing longer bolts overall length is 85mm-roughly 3 3/8 inches and the non-marring insert will protect your lugs.
BrandARES #ad
ManufacturerARES #ad
Height1.2 Inches
Length1.2 Inches
Weight0.35 Pounds
Width5 Inches
Part Number700207002170022700237007959017
Model70022

8. Craftsman

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12-Point CMMT44447, CRAFTSMAN Deep Socket, 1/2-Inch Drive, Metric, 21mm

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Craftsman #ad - Quick engagement: 12-point box end metric socket comes with fastener. Full lifetime warranty, refer to "Warranty & Support" section below for full details. Quick size identification: Deep socket comes with large markings. Corrosion resistance: Deep socket comes with full polish chrome finish. Meets or exceeds ASME Specifications.
BrandCraftsman #ad
ManufacturerCRAFTSMAN #ad
Part NumberCMMT44447
ModelCMMT44447

9. Crescent

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Crescent 1/2" Drive 6 Point Deep Metric Socket 21mm, CDDS80N

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Crescent #ad - Nickel chrome plated for long lasting protection. Sockets feature off corner loading technology to virtually eliminate fastener rounding. Mirror polish finish that’s easy to Wipe clean. Tools meet stringent new ANSI and ASME specifications and come with a full Satisfaction guarantee. Made of chrome vanadium steel alloy specially formulated and heat-treated for strength and corrosion-resistance.
BrandCrescent #ad
ManufacturerCrescent Tools #ad
Height5.65 Inches
Length1.6 Inches
Weight0.44 Pounds
Width1.15 Inches
Part NumberCDDS80N
ModelCDDS80N

10. TEKTON

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TEKTON 1/2 Inch Drive x 21 mm Deep 6-Point Impact Socket | 47812

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TEKTON #ad - High-torque, 6-point opening grips flat sides of fasteners, not corners, preventing round-off. Engineered for use with impact drivers. Large, high-contrast size marking is permanently laser etched and easy to read, even in low light. Made of premium chrome vanadium steel with a protective black phosphate finish. Extra-deep broach accommodates longer fasteners.
BrandTEKTON #ad
ManufacturerTEKTON #ad
Height1.5 Inches
Length5.63 Inches
Weight0.55 Pounds
Width1.75 Inches
Part Number47812
Model47812
WarrantyAlways Guaranteed: [email protected]