Large, Stamped Markings

Permanently impressed into the material by a roll-stamp die
As large as possible while still being readable along the socket’s curved surface
Clearly visible size numbers with extra-deep outline

Exterior + Interior Finishes

Chrome-plated exterior is highly corrosion resistant and wipes clean to a mirror finish
Interior is protected against rust with clear coat, rather than commonly-used metallic paint

12-Point Socket Opening

Get more access positions for multiple types of fasteners

Prevents Fastener Round-Off

Radiused corners prevent fastener round-off by applying force to a fastener’s flat sides, rather than its corners.

Secure Drive Tool Engagement

Four detent grooves provide a secure connection with the retaining ball of a drive tool
Beveled inner rims help guide the socket onto other tools

High Torque Strength

Meets minimum value of 1.3 times the ANSI standard for Proof Torque. Verified by a single-cycle test that applies torque until specified value is reached without failure or permanent deformation.

METRIC SERIES

	ANSI		TEKTON
Source: ASME B107.5M - 2002

INCH SERIES

	ANSI		TEKTON
Source: ASME B107.1 - 2002

Specs

3/8 Inch Drive x 21 mm 12-Point Socket

A. Length	1.2 in.
B. Socket End Diameter	1.10 in.
C. Drive End Diameter	1.10 in.
D. Socket Opening Size	21 mm
E. Drive Size	3/8 in.
F. Well Depth	0.6 in.
Weight	0.18 lb.
Country of Origin	Taiwan

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3/8 Inch Drive 12-Point Sockets