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Home/Hand Drive Sockets/12-Point Sockets/Individuals
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3/8 Inch Drive x 21 mm 12-Point Socket

Item #SHD12321
 • Ships tomorrow
InchMetric

Size

6 mm
$6
7 mm
$6
8 mm
$6
9 mm
$7
10 mm
$7
11 mm
$7
12 mm
$7
13 mm
$7
14 mm
$7
15 mm
$7
16 mm
$7
17 mm
$7
18 mm
$7
19 mm
$7
20 mm
$7
21 mm
$7
22 mm
$7
23 mm
$7
24 mm
$7
$7.00
DetailsSpecs

Details

Socket Markings

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
Socket Markings
Socket cut in half

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

12-Point Socket Opening

Get more access positions for multiple types of fasteners


12-Point Socket Fastener Types

Prevents Fastener Round-Off

12-Point Socket Grips Sides

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

Drive tool engaging socket

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

3/8 inch drive standard-length sockets torque specs chart (metric series)
ANSITEKTON
Source: ASME B107.5M - 2002

INCH SERIES

3/8 inch drive standard-length sockets torque specs chart (inch series)
ANSITEKTON
Source: ASME B107.1 - 2002

Specs

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

Specs for 3/8 Inch Drive x 21 mm 12-Point Socket
Country of Origin
Taiwan
Item Weight
0.18 lb.