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Power Socket Hex Driver (Allen)

3/8" square drive according DIN 3121 G 10

The corners of the square drive on Action® power sockets are rounded outward. This ensures an excellent fit for the drive spindle of the nutrunner. On the other hand, it also means that the torque is transmitted not only at the edges of the power socket but also along the sides. This increases the service life of both the power socket and the drive spindle of the power tool.

Hexagon Drive (Allen)

The hexagon socket screw has a hexagonal recess in its cylindrical head and can be driven with a hexagon key (“Allen key”) as well as with a hexagon screwdriver or a suitable bit. Compared to machine screws with hexagon heads, less space is required for the head. A hexagon socket screw can absorb about ten times the torque of a Phillips screw of the same size.

In 1910, William G. Allen patented a manufacturing process for screws with a hexagonal drive profile in the screw head. This is why hexagon socket wrenches are often referred to as “Allen keys” or “hex keys” in the USA. The German company Bauer & Schaurte patented the hexagon socket in Germany in 1936 and launched products based on this patent. The abbreviation “Inbus” is derived from “Innensechskant Bauer u. Schaurte” (hexagon socket Bauer & Schaurte). The metric sizes of the hexagon socket are specified in ISO standard 4762 (cylinder head screws with hexagon socket).

Application Notes

Replace worn impact sockets in good time.
In accordance with EU Directive 2006/42/EC (Machinery Directive) and EN/ISO 11148-6, only impact sockets may be used on power tools.
Never hold rotating machine parts by hand!

Hex Driver (Allen) – normal

Model	Item No.	A/F [mm]	L [mm]	L1 [mm]	Pk [ea]
K3/8-A3	221310	3	50	16	10
K3/8-A4	221311	4	50	16	10
K3/8-A5	221312	5	50	16	10
K3/8-A6	221313	6	50	16	10
K3/8-A7	221314	7	50	16	10
K3/8-A8	221315	8	50	16	10
K3/8-A9	221316	9	50	16	10
K3/8-A10	221317	10	50	16	10
K3/8-A11	221318	11	50	16	10
K3/8-A12	221319	12	50	16	10
K3/8-A13	221320	13	50	16	10
K3/8-A14	221321	14	50	16	10
K3/8-A15	221322	15	50	16	10
K3/8-A16	221323	16	50	16	10

Hex Driver (Allen) – deep

Model	Item No.	A/F [mm]	L [mm]	L1 [mm]	Pk [ea]
K3/8-A3 L	221330	3	150	16	10
K3/8-A4 L	221331	4	150	16	10
K3/8-A5 L	221332	5	150	16	10
K3/8-A6 L	221333	6	150	16	10
K3/8-A7 L	221334	7	150	16	10
K3/8-A8 L	221335	8	150	16	10
K3/8-A9 L	221336	9	150	16	10
K3/8-A10 L	221337	10	150	16	10
K3/8-A11 L	221338	11	150	16	10
K3/8-A12 L	221339	12	150	16	10
K3/8-A13 L	221340	13	150	16	10
K3/8-A14 L	221341	14	150	16	10
K3/8-A15 L	221342	15	150	16	10
K3/8-A16 L	221343	16	150	16	10

Hex Driver (Allen) – ball end

Model	Item No.	A/F [mm]	L [mm]	D1 [mm]	Pk [ea]
K3/8-A4KK	221374	4	50	4.8	5
K3/8-A5KK	221375	5	50	6	5
K3/8-A6KK	221376	6	50	7.1	5
K3/8-A8KK	221378	8	50	9.5	5
K3/8-A10KK	221380	10	50	11.8	5

Hex Driver (Allen) – with joint

Model	Item No.	A/F [mm]	L [mm]	L1 [mm]	Pk [ea]
KG3/8-A5	221350	5	60	11	10
KG3/8-A6	221351	6	60	11	10
KG3/8-A7	221352	7	60	15	10
KG3/8-A8	221353	8	60	15	10
KG3/8-A9	221354	9	60	15	10
KG3/8-A10	221355	10	60	15	10
KG3/8-A11	221356	11	60	15	10
KG3/8-A12	221357	12	60	15	10
KG3/8-A13	221358	13	60	15	10
KG3/8-A14	221359	14	60	15	10
KG3/8-A15	221360	15	60	15	10
KG3/8-A16	221361	16	60	15	10

All specifications without guarantee, errors and omissions excepted.