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G-GRIP Pin and Collar


In applications where an extensive grip range is required and a constant controlled breakage of the lockbolt in combination with the collar is advantageous, the Goebel G-Grip® is the new standard in the market. In essence, the stainless steel G-Grip® with its extensive grip range can replace up to 14 sizes of the classic 6-groove lockbolt in stainless steel, galvanised steel and aluminium.

Similar to all fasteners developed by Goebel, the G-Grip® offers the highest quality in the market with incomparable vibration and installation resistance values.

Available: In diameter 4.8 mm (3/16") and 6.4 mm (1/4")

Material: AISI 304 Stainless Steel

Head shape: Rivet Head, Truss Head, Button Head, 90° Flush Head (countersunk head)


  • Extensive grip range design
  • High corrosion resistance
  • High vibration resistance
  • Controlled breaking lockbolt
  • Efficient setting process / installation process
  • Reduction of stock compared to standard fasteners (dimensions/qualities)

G-GRIP® AISI 304 Stainless Steel Lockbolt System Installation

1. Extensive Grip Range Design

The extensive grip range of the G-Grip® lockbolt system can replace up to 14 sizes of the previously popular 6-groove lockbolt system with just one size. The unparalleled advantage of using a multi-grip lockbolt is that it improves cost efficiency many times over, reduces storage costs and increases performance many times over on the job site by simplifying the installation process. Incorrect setting in the wrong grip range is virtually impossible.

2. high corrosion resistance

The G-Grip® lockbolt and collar are made of AISI 304 stainless steel. The head of the locking ring bolt is highly polished and the collar has an additional zinc coating. On request, the G-Grip® lockbolt can also be provided with a chrome or nickel coating. The high corrosion resistance of stainless steel G-Grip® lockbolts compared to conventional steel lockbolts, which start to rust after the galvanisation has been removed, makes the stainless steel G-Grip® lockbolt system a proven solution for industrial applications, especially in harsh environments. The use of stainless steel parts ensures that the application will have lower maintenance costs, increased structural integrity and a return on investment. Likewise, in many applications with aggressive media, aluminium lockbolts do not offer the same resistance as our highly corrosion resistant G-Grip® stainless steel lockbolt system.

For more information on stainless steel, please visit our website.

3. Vibration Resistance

The G-Grip® has been developed and tested to ensure the highest vibration resistance in all applications. During assembly, the collar is placed on the lockbolt and locks via the grooves during the setting process. The locking mechanism guarantees consistent clamping forces, shear and tensile values in the assembled state. You can be sure that the application is locked, secured and vibration-proof with our stainless steel lockbolt system.


Stainless steel is known to be a tough but malleable material. For our research and development department, the challenge was to ensure a controlled-break multi-grip lockbolt system, the G-Grip®. Proven to break in a controlled manner every time, Goebel's patented design is ensured by various design factors, creating a smooth, safe and easy installation in any application.

5. Efficient Installation Process

GOEBEL offers a wide range of setting tools for the patented G-Grip® AISI 304 stainless steel lockbolt system. From hand tools to cordless tools and pneumatic setting tools. The selection of the right tool depends solely on the number of setting operations. All our tools are easy to use. The G-Grip® can also be set with common setting tools. The G-Grip® lockbolt is processed in seconds and, depending on the tool, up to 1,200 lockbolts per hour can be processed. The installer can quickly see at a glance that the break-off of the lockbolt has been carried out in a controlled manner and can carry out his work efficiently.

Our tools feature: 

  • Ergonomic Design
  • Safe & Quiet Setting Process
  • Consistent Installation Setting Each Time 


The G-Grip® covers a range of 14 bolts of the classic 6-groove lockbolt system in one size. This huge advantage reduces the stock of the many dimensions/qualities to just a few of the G-Grip®. Creating a cost effective storage system is critical in today's manufacturing environment and the G-Grip® will help you achieve this. Our G-Grip® will save you time, space and money by simplifying your warehousing process. Standardise your production to only a few fasteners (dimensions/qualities), thereby creating maximum production efficiency to almost mix-up/fault-free rivets.

Head styles of the G-Grip®

The G-Grip® is available in different head styles. The standard at Goebel is a highly polished setting head, which also leaves nothing to be desired visually due to its high quality. If you need special heads, we can also produce them according to drawing and minimum quantity.

Replaces almost all "permanent" standard screw joints

Our patented stainless steel lockbolt system, the G-Grip®, offers the advantage over the conventional use of metric bolts, washers and nuts that our G-Grip® can be installed approx. 50% faster. A permanent connection with constant pre-tensioning force, vibration-proof and far more efficient in all respects than the use of conventional bolting when it has to be permanent.


We can offer PPAP Level 3 for the G-Grip® according to the automotive standard and will soon also be able to provide the DIBT/ETA certificate.

Distribution via our authorised distributors and Goebel directly

The G-Grip® is distributed through our authorised distributor network or directly by Goebel. If you would also like to become an authorised distributor, please contact us.

Your product specialist Thomas Liebhaber

Rivet technology - blind rivets / high strength - structural rivets / pin and collar / blind rivet nuts

Riveting tools - blind rivet battery tools / blind rivet nut battery tools / hand tools for blind rivets & blind rivet nuts / pneumatic tools for blind rivets & blind rivet nuts  / accessories

Tel.: +49 (0) 211-245000-128

E-Mail: tl[at]

LinkedIn: Thomas Liebhaber

G-GRIP® Catalog

G-GRIP® Catalog4,77MB
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