HELICOIL® locknuts Special nuts with screw lock

HELICOIL® locknuts You sure know the following situation: When under load, screw joints tend to loosen. Load can be e.g. vibration, alternating load or general kinetic energy to be absorbed. In many applications it is absolutely necessary to take precautions against unintentional loosening. As a specialist in fastening and assembly technology, we offer you HELICOIL® locknuts for those applications. An efficient combination of two fasteners. Without fail. The functional principle The locknut consists of a nut (basic body) and the HELICOIL® screwlock coil thread insert. The screw is locked by a...

HELICOIL® locknuts offer the following advantages: ■ Clamping effect directly in the thread - elastically resilient ■ Even clamping torque in repeated screwings ■ Constant thread friction ■ Uniform load and stress distribution ■ High temperature resistance - Material and surface in higher quality only required for small fastener (HELICOIL® screwlock) Depending on the requirements regarding media resistance as well as thermal and mechanical properties, we offer different materials and surfaces. Number of screwing processes Valid for coarse threads and fine threads. Values in Nm for property class...

Standard designs HELICOIL® screwlock: Stainless steel Item code * Nuts meet the requirements for the proof load test according to DIN EN ISO 898-2 and DIN EN ISO 898-6 in the corresponding property class. Delivery times and minimum order quantities on request. Nut body: Stainless steel HELICOIL® screwlock: Stainless steel Item code Nuts meet the requirements for the proof load test according to DIN EN ISO 3507 in the corresponding property class. Delivery times and minimum order quantities on request.

Special designs Special designs with integrated washer Sizes d [mm] Delivery times and minimum order quantities on request. Diverse special designs Sizes d [mm] Item code Designs A/F Height Collar diame- Property HELICOIL® screwlock Size Material Surface Collar nut similar to DIN 6923 Collar nut similar to DIN 6923 Collar nut similar to DIN 6923 Collar nut similar to DIN 6923 Hexagon nut Weld nut with collar Collar nut similar to DIN 6923 Collar nut similar to DIN 6923 Delivery times and minimum order quantities on request.

HELICOIL® locknuts are used in applications such as the following: ■ Stamping and support posts HELICOIL® plus Imperial thread inserts for metals HELICOIL® plus Thread technology for high-strength fastenings Catalogue No 0100

Rail cars HELICOIL® tangfree The tangfree coil thread insert for a high-strength thread Catalogue No 0150 HELICOIL® plus Repairing of damaged threads Catalogue No 0180 tangfree The tangfree coil thread insert for a high-strength thread HELICOIL® plus repairing of damaged threads

Bollhoff International with companies in: Argentina Austria Brazil Canada China Czech Republic France Germany Hungary India Italy Japan Korea Mexico Poland Romania Russia Slovakia Spain Switzerland Turkey United Kingdom USA Apart from these 23 countries, Bollhoff supports its international customers in other important industrial markets in close partnership with agents and dealers. Bollhoff Group Subject to technical change. Reprinting, even in extract form, only permitted with express consent. Observe protective note according to ISO 16016.