Lockbolts

Diameter: 4.8 mm (3/16″) − 25.4 mm (1″)
Grip ranges: 1.6 mm (0.06″) − 590.6 mm (23.25″)
Mild steel, stainless steel, round head, countersunk head.

Lockbolt finder

Go here to find lockbolts by part number or specification

Lockbolts

The Lockbolt pin and collar is a two-piece, heavy-duty fastening system.

Developed to provide high strength, vibration proof and secure installation on applications unsuitable for welding, threaded fasteners or rivets. Once the collar has been swaged onto the Lockbolt a permanent vibration-proof joint is achieved. The pre-load values remain consistent on every installation.

Lockbolts are quick and easy to install, even in demanding environments with our accurate and powerful tooling which is fully compatible and interchangeable with industry-standard systems.

Our Lockbolts create a high strength tamper proof joint and offering a wide range of diameters and lengths make them the ideal choice for heavy engineering applications.

6 Series | 4.8mm (3/16″) Ø | GRIP 1.6mm – 33.35mm (0.06″ – 1.31″)
6 Series | 4.8mm (3/16″) Ø | GRIP 1.6mm – 33.35mm (0.06″ – 1.31″)

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8 Series | 6.4 mm (1/4″) Ø | GRIP 1.6mm – 33.35mm (0.06″ – 1.31″)
8 Series | 6.4 mm (1/4″) Ø | GRIP 1.6mm – 33.35mm (0.06″ – 1.31″)

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10 Series | 8 mm (5/16″) Ø | GRIP 3.18 mm – 34.93 mm (0.125″ – 1.375″)
10 Series | 8 mm (5/16″) Ø | GRIP 3.18 mm – 34.93 mm (0.125″ – 1.375″)

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12 Series | 9.6 mm (3/8″) Ø | GRIP 3.18 mm – 34.93 mm (0.125″ – 1.375″)
12 Series | 9.6 mm (3/8″) Ø | GRIP 3.18 mm – 34.93 mm (0.125″ – 1.375″)

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16 Series | 12.7 mm (1/2″) Ø | GRIP 6.35 mm – 127 mm (0.25″ – 5″)
16 Series | 12.7 mm (1/2″) Ø | GRIP 6.35 mm – 127 mm (0.25″ – 5″)
20 Series | 15.9 mm (5/8″) Ø | GRIP 6.35 mm – 127 mm (0.25″ – 5″)
20 Series | 15.9 mm (5/8″) Ø | GRIP 6.35 mm – 127 mm (0.25″ – 5″)
24 Series | 19.1 mm (3/4″) Ø | GRIP 6.35 mm – 127 mm (0.25″ – 5″)
24 Series | 19.1 mm (3/4″) Ø | GRIP 6.35 mm – 127 mm (0.25″ – 5″)
28 Series | 22.2 mm (7/8″) Ø | GRIP 12.7 mm – 127 mm (0.5″ – 5″)
28 Series | 22.2 mm (7/8″) Ø | GRIP 12.7 mm – 127 mm (0.5″ – 5″)
32 Series | 25.4 mm (1″) Ø | GRIP 12.7 mm – 127 mm (0.5″ – 5″)
32 Series | 25.4 mm (1″) Ø | GRIP 12.7 mm – 127 mm (0.5″ – 5″)

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36 Series | 28.5mm (1 1/8″) Ø | GRIP 41.28 mm – 619.13 mm (1.62″ – 24.37″)
36 Series | 28.5mm (1 1/8″) Ø | GRIP 41.28 mm – 619.13 mm (1.62″ – 24.37″)

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Tooling

Tooling for Series 32 XZ | 28.4mm (1 1/8") – available on request

6 MG Series | 4.8mm (3/16″) Ø | Multi Grip 1.57mm – 31.75mm (0.062″ – 1.25″)
6 MG Series | 4.8mm (3/16″) Ø | Multi Grip 1.57mm – 31.75mm (0.062″ – 1.25″)

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8 MG Series | 6.4mm (1/4”) Ø | Multi Grip 1.57mm – 31.75mm (0.062″ – 1.25″)
8 MG Series | 6.4mm (1/4”) Ø | Multi Grip 1.57mm – 31.75mm (0.062″ – 1.25″)

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32 XZ Series | 25.4mm (1″) Ø | GRIP 3.20 mm – 590.60 mm (0.126″ – 23.25″)
32 XZ Series | 25.4mm (1″) Ø | GRIP 3.20 mm – 590.60 mm (0.126″ – 23.25″)

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Tooling

Tooling for Series 32 XZ | 25.4mm (1″) – available on request

Collars
Collars

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Standard Head Styles: Round, countersunk
Materials: Steel, Stainless steel
Finish: Black (oiled), zinc plated, waxed (Stainless steel)
Custom Finish: Industry standard finishes available.
Custom Very High Tensile Strength: 10.9 grade
Custom Head or Styles: Custom head styles can be developed for customers with specific applications. Typically used where the outer head of the lock bolts can perform additional functions designed into the manufacture.

Once the collar has been swaged onto the Lockbolt a permanent vibration proof joint is achieved.

The pre-load values remain consistent on every installation.

Our Lockbolt fasteners have been extensively tested and conform to the very same specification as industry standards.

It is important to note that both our fasteners and tooling are fully compatible and above all interchangeable with industry-standard systems.

The design and construction of the Lockbolt fastening system ensures the user of a high pull together of  joints and permanent clamp force with consistent pre-load on every fastener.

The high tensile and shear strength of the installed Lockbolt provides a joint with very high resistance to vibratory loosening. This ensures that all fasteners are installed with the same results under all conditions.

Visual inspection of the installed fasteners eliminates the need for expensive equipment and time consuming inspection methods.

Lockbolt Installation Drawing

The video below Describes the use of Lockbolt Pin and Collar together with the installation tool clamping two sheets of material together.

Example below ERSB-16-G
Lockbolt pin, steel, round head, 12.7mm (1/2″) diameter, zinc plated

ER

PREFIX:
ER – Lockbolt ERS pin and collar

S

MATERIAL:
S – Steel 8.8
SH – Steel 10.9
SS – Stainless Steel
A – Aluminium

B

PIN HEAD STYLE:
B
– Brazier (Round) head
T – Truss Head
CSK – Countersunk

16

DIAMETER REFERENCE:
06 – 4.8mm (3/16″)
08 – 6.4mm (1/4″)
10 – 8.0mm (5/16″)
12 – 9.6mm (3/8″)
16 – 12.7mm (1/2″)
20 – 15.9mm (5/8″)
24 – 19.1mm (3/4″)
28 – 22.2mm (7/8″)
32 – 25.4mm (1″)

G

OPTIONAL FINISH:
G
– 8-10 micron zinc & clear passivate
Others available upon request

Europe and International. Call: +44 (0)1858 469191 Email:  sales@lockbolt-ers.co.uk

Lockbolt Finder

GRIP: 1.6mm - 33.35mm (0.06" - 1.31")

GRIP: 1.6mm - 33.35mm (0.06" - 1.31")

3.18 mm – 34.93 mm (0.125″ – 1.375″)

3.18 mm – 34.93 mm (0.125″ – 1.375″)

6.35 mm – 127 mm (0.25″ – 5″)

6.35 mm – 127 mm (0.25″ – 5″)

6.35 mm – 127 mm (0.25″ – 5″)

12.7 mm – 127 mm (0.5″ – 5″)

12.7 mm – 127 mm (0.5″ – 5″)