Industry News

Specification of hardware tools-socket wrench

2020-06-23

According to the standard, the socket of the socket wrench is generally hollow, with two sides;

One side: square mouth (depending on the link between sleeve and wrench)
One side: 6 corners, 8 corners, 12 corners (depending on the shape of the machine and car nuts)
Sifangkou: used for the link between the sleeve and the wrench. This is a four-sided, the length of the opposite side is also the length of the side. The general Huafeng giant arrow tools are the same as other manufacturers, generally only in English. Points: 1/4, 3/8, 1/2, 3/4 four specifications; according to the metric points: 6.3mm, 10mm, 12.5mm, 19mm; in fact, there is this formula in the industry: 1/4=6.3mm , 3/8=10mm, 1/2=12.5mm, 3/4=19mm This interpretation is a general formula in the hand tool industry. 1/2" means that the length of the opposite side of the link with the wrench is 12.5mm.
On the other side, 6 angles, 8 angles, and 12 angles are based on the needs of the car and machine nuts.
1. Calculated according to the size of the square mouth and metric system, the size of the opposite side of the 6 corners (short sleeve): unit: mm
1/4 series square mouth 6 angle short sleeve specifications metric calculation:
4-4.5-5-5.5-6-6.5-7-8-9-10-11-12-13-14;
3/8 series square mouth 6-angle short sleeve specifications metric calculation:
6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24;
The metric calculation of the specifications of the 1/2 series square mouth 6-angle short sleeve:
8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-27-30-32;
2. Calculated according to the size of the square mouth and the metric system, the size of the opposite side of the 6 corners (long sleeve): unit: mm
1/4 series square mouth 6-angle long sleeve specifications metric calculation:
4-5-6-7-8-9-10-11-12-13-14;
3/8 series square mouth 6-angle long sleeve specifications metric calculation:
6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24;
The metric calculation of the specifications of the 1/2 series square mouth 6-angle long sleeve:
8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24;
3. According to the size of square mouth and metric system, the 6-corner opposite size pattern (short sleeve):
Metric calculation of specifications of 1/4 series square mouth 6 angle flower sleeve:
E4-E5-E6-E7-E8;
3/8 series square mouth 6-angle flower sleeve specifications metric calculation:
E4-E5-E6-E7-E8-E10-E11-E12-E14-E16-E18-E20;
Metric calculation of specifications of 1/2 series square mouth 6 angle flower sleeve:
E10-E11-E12-E16-E18-E20-E22-E24;
4. Calculated according to the size of the square mouth and the metric system, the size of the opposite side of the 12 corners: the same as the 6 corners
5. According to the size of square mouth and metric system, the size of the opposite side of the 8 corners (short sleeve): unit: inch
1/4 series square mouth 8-angle short sleeve specifications Inch calculation: 1/4-5/16-3/8;