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Fasteners for high quality industry. UBK products are used where high resistance is required and high quality anti-corrosion performances for a safe assembly. In addition, UBK is the distributor of UNBRAKO and BUMAX unified standard fasteners, NORD-LOCK self-locking washers and RECOIL products.

Today there is a growing demand for modern assembly concept, and therefore high quality fasteners are needed. The purpose is to reduce weight, reduce cost and at the same time increase the safety of the assembled part.

NORD-LOCK has developed a self-locking washer that is very effective in ensuring clamping of joints in the presence of vibrations, which is considered to be a security feature. It is available both in carbon steel with 50 HRC hardness and stainless steel AISI 316 and covers a wide range of sizes so that it can be used in any kind of application.

The range of high quality inserts and repair kits for RECOIL threads allows to produce robust metric threads in plastic and metal materials, especially in relatively lightweight alloys such as aluminum, titanium and magnesium.


UBK s.p.a. deals with the sale of fasteners on national and European territory. The company is committed to the distribution of screws and bolts in the class 10.9, 12.9 steel alloy steel and high strength stainless steel. Stainless steel resists corrosion, temperature fluctuations and is amagnetic. All UBK products give excellent mechanical performance and comply with UNI EN ISO 9001: 2015.

 UBK offers a wide choice of standard products, in particular

  • tapered plugs
  • cylindrical plugs
  • sealed plugs
  • plugs with magnet
  • special plugs
  • shoulder bolts
  • dowel pins
  • connecting and fastening elements, metric and inch sizes

Mainly used for the hydraulic industry, tapered plugs and cylinder plugs are available in gas, NPTF Dry-Seal, NPTF Levl-Seal, DIN 906, DIN 908, DIN 910 and sealed plugs.

Screws and bolts

The UNBRAKO group has always been synonymous with high quality in fasteners sector. One of the features is the total traceability guarantee through an alpha-numeric code (E-code) imprinted on the screw head, allowing you to trace all the output data of the workpiece itself. The production, in 10.9 and 12.9 steel, includes the entire range of socket caps screws, with metric thread and UNC-UNF. Noteworthy are the Durlok self-losing screws, which can solve self-losing problems in the presence of vibrations. This family is complemented by the microscrews, which are available in various types with metric thread and UNC-UNF, made of high strength steel, brass and stainless steel.

BUMAX produces standard and special fasteners in high strength stainless steel with mechanical characteristics comparable to those of class 8.8 and 10.9 (BUMAX 88 and 109) steels. It is ideal for all those applications where, in addition to the properties of stainless steel, a high mechanical performance is required.

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