Specifications
A
CB
D
mm
A
B
C
D
mm
20
Apex Sockets
Sockets, Metric, with 1/4" square drive, standard length,
hex and double hex
Sockets, Metric, with 1/2" square drive, hex and double hex,
standard length
Part
Number
Hex
Part
Number
Double
Hex
Across
Flats
Width
Overall
Length
Diameter
Socket End
Diameter
Drive End
Across
Flats Depth
in. A B C D
3.5mm11 --- 3.5 22.2 6.4 12.7 2.4
4mm11* --- 4 22.2 6.4 12.7 2.4
4.5mm11 --- 4.5 22.2 7.9 12.7 2.4
5mm11* --- 5 22.2 8.7 12.7 3.9
5.5mm11* --- 5.5 22.2 9.5 12.7 3.9
6mm11* 6mm11-D 6 22.2 9.5 12.7 3.9
7mm11* 7mm11-D* 7 22.2 11.1 12.7 4.8
8mm11* 8mm11-D* 8 25.4 12.7 12.7 4.8
9mm11* 9mm11-D 9 25.4 14.3 14.3 4.8
10mm11* 10mm11-D* 10 25.4 15.9 15.9 6.4
OS-10mm11* --- 10 25.4 14.3 14.3 6.4
11mm11* 11mm11-D 11 25.4 15.9 15.9 7.2
12mm11* 12mm11-D 12 25.4 17.5 17.5 7.2
13mm11* 13mm11-D 13 25.4 19.1 19.1 8.7
14mm11* 14mm11-D 14 25.4 20.6 20.6 11.1
15mm11* --- 15 25.4 22.2 22.2 11.1
16mm11* --- 16 25.4 22.2 22.2 11.1
Part
Number
Hex
Part No.
Double
Square
Across
Flats
Width
Overall
Length
Diameter
Socket End
Diameter
Drive End
Across
Flats
Depth
mm A B C D
10mm15* 10mm15-D* 10 38.1 16.7 23.8 6.4
11mm15* 11mm15-D 11 38.1 17.5 23.8 7.2
12mm15* 12mm15-D* 12 38.1 19.1 23.8 7.2
13mm15* 13mm15-D* 13 38.1 22.2 23.8 8.7
14mm15* 14mm15-D* 14 38.1 22.2 23.8 11.1
15mm15* 15mm15-D* 15 38.1 23.8 23.8 11.1
16mm15* 16mm15-D* 16 38.1 25.4 25.4 11.1
17mm15* 17mm15-D* 17 38.1 28.6 28.6 11.1
18mm15* 18mm15-D* 18 38.1 28.6 28.6 11.1
19mm15* 19mm15-D* 19 38.1 28.6 28.6 11.9
20mm15* --- 20 38.1 31.7 31.7 11.9
21mm15* 21mm15-D* 21 38.1 31.7 31.7 13.5
22mm15* 22mm15-D 22 38.1 33.3 33.3 14.3
23mm15* 23mm15-D 23 38.1 34.9 34.9 15.9
24mm15* 24mm15-D* 24 38.1 34.9 34.9 15.9
25mm15* --- 25 38.1 38.1 38.1 15.9
26mm15 26mm15-D 26 38.1 38.1 38.1 15.9
27mm15* 27mm15-D 27 41.3 41.3 41.3 17.5
28mm15 --- 28 41.3 41.3 41.3 19.1
29mm15 29mm15-D 29 41.3 44.4 44.4 19.1
30mm15 30mm15-D 30 41.3 44.4 44.4 19.1
32mm15 32mm15-D 32 44.4 44.4 44.4 20.6
33mm15 --- 33 44.4 47.6 47.6 20.6
34mm15 --- 34 47.6 47.5 47.5 20.5
35mm15 --- 35 47.6 50.8 50.8 20.6
36mm15 --- 36 47.6 50.8 50.8 23.8