Groove Nut Socket Set 9pc Internal Teeth DIN 981

A 9-piece socket set for grooved lock nuts with internal teeth, made for fitting and removing nuts to DIN 981 standard. Used with 1/2in and 3/4in drive tools, it covers a practical range of KM series lock nut sizes for shaft and sleeve work.

Used for removing and tightening grooved nuts on shafts, clamping sleeves and pulling sleeves, this set suits workshop maintenance, fitting work and machinery servicing where KM lock nuts are commonly used. It is useful when working on assemblies that need the correct socket profile for internal tooth lock nuts, helping avoid damage that can come from using unsuitable general-purpose tools. Trade users, maintenance engineers and repair workshops will find it handy for repeat jobs involving bearing lock nuts and related retaining components.

The set covers KM4 through to KM12, split across 1/2in and 3/4in drive sizes for the stated applications. That gives buyers a straightforward way to handle several common DIN 981 grooved nut sizes without mixing and matching unsuitable tools. For regular servicing and fitting work, having the correct sizes together helps keep jobs moving and reduces time spent searching for the right socket. The set is intended specifically for grooved nuts with internal teeth, so it is suited to the task it was made for.

Socket set specifications

• Contents: 9-piece socket set for grooved lock nuts with internal teeth.
• Standard: Made for nuts to DIN 981 specification.
• 1/2in drive covers: KM4, KM5, KM6, KM7 and KM8.
• 3/4in drive covers: KM9, KM10, KM11 and KM12.
• Application: For removing and tightening grooved nuts on shafts, clamping sleeves and pulling sleeves.

A practical choice for regular maintenance and fitting work.