Huck®, Überblick



Beschreibung

Huck® fasteners apart from specially-conceived rivet solutions are primarily used in the transport industry, in railway vehicles, buses and lorry manufacture, in trailers, semi-trailers, containers and frame construction, all sectors in which high specifications are demanded of components and material. 


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Joined to last.

Huck

®

eXtReMe Resilience –

an oVeRVieW

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2

www.kvt-fastening.com

Huck

®

lock Bolts

key Benefits

Permanent, mechanically locked fastener

-  Installation process automatically provides

fastener values

- No torque or re-torque required

Unlike conventional nuts and bolts, they will

not work loose, even during extreme vibration

Rapid installation with Quick and easy

visual inspection

Excellent gap closure capability
Can be installed onto angled surfaces

(5° maximium)

Tamperproof

5.8 grade small diameter lockbolt

Made to British standard B7805: Part 1: 1997: A mark of
quality, safety and performance

Wide flange collar available: Enables installation into non
metallic materials

Pin head style: Brazier, truss, countersunk, specific headstyle
for palisade fencing

collar style: Standard, flanged, wide flanged and low profile

Materials: Steel, stainless steel, aluminium

8.8 grade small diameter lockbolt

High tensile strength version of c6l

Pin head style: Brazier, truss, countersunk

collar style: Standard, flanged

Material: Steel

Huge grip range: Accommodates wide variations in joint
thickness – 14.3/23.9 mm. Based on Ø 6.4 mm. Two different
grip lengths available

one pin and one collar cover a wide variety of applications:
Reducing the risk of incorrect fastener installation

Wide grip range minimises fastener inventory

flush  pinbreak: No catching on clothes, skin or goods

Pin head style: Button, truss, countersunk, rivet, broad truss

collar style: Standard flange, medium flange, wide flange

Materials: Steel, aluminium

4.8

6.4

7.9

9.5

4.8

6.4

7.9

9.5

4.8

6.4

7.9

9.5

Ø

Ø

Ø

c6l

®

– tHe oRiginal Huck

®

design

c120l

®

Magna-gRiP

®

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3

All dimensions are specified in mm.

8.8 grade large diameter lockbolt
Made to British standard B7805: Part 2: 1997:
A mark of

quality, safety and performance

High tensile friction grip fastener
Pin head style:
Round, truss, countersunk, thread head
collar  style: Standard, flanged, low profile
Materials: Steel, stainless steel, aluminium

Thread head variety available for rail track applications

10.9 grade large diameter lockbolt
High tensile friction grip fastener
unique helical lock groove:
Can be used as a Fit up bolt,

special tab collar is need to perform this function

unique helical lock groove: Holds pins and collar in place prior

to installation, Special tab collar is need to perform this function

can be removed with conventional tools
Pin head style:
Flanged hexagonal
collar style: Flanged hexagonal
Material: Steel

High tensile friction grip fastener
no  pin-tail:
Reduced wastage, low installation noise, no pinbreak:

increased corrosion resistance

semi-automatic tooling installation: Minimises installation time
unique helical lock groove: Holds pins and collar in place prior

to installation

Pin head style: Flanged hexagonal, flanged round
collar  style: Flanged hexagonal, flanged round
Material: Steel

Designed specifically for joining composite board in trailer
applications.

Will not crush or damage the composite board
integral seal around pin head prevents moisture ingress
Low profile on both sides when installed:
No catching on

clothes, skin or goods. Not as grip sensitive as some competitor
products

Pin head style: Standard low profile, encapsulated in plastic
sleeve style: Wide bearing, medium bearing, clearance
Material: Steel

14

16

20

6.4

7.9

9.5

12

12

14

16

20

24

27

12.7

15.9

19.1

22.2

25.4

28.6

31.8

34.9

Ø

Ø

Ø

Huck-Spin

®

BobTail

®

Ø

c50l

®

Huck-fit

®

Huck-sPin

®

/ BoBtail

®

HucktaineR

®

9.5

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4

www.kvt-fastening.com

Huck

®

stRuctuRal Blind fasteneRs

key Benefits

Internal locking mechanism retains the pin

- Structural fastener after installation
-  Higher strength than a standard open

end blind fastener

Ideal for use where access is limited on

one side of the application

Preassembled fastener – Insert one part

in the hole and install

A variety of installation tooling options

available

Wide grip range: Accommodates large variations in joint thickness
structural  fastener: High shear & tensile strength
excellent gap closure capability
Outstanding hole filling on the blind side:
Excellent joint

tightness and very resistant to water ingress

flush  pinbreak: No catching on clothes, skin or goods.

Quick and easy visual inspection

internal pin locking mechanism: Secure within the rivet body

and protected from corrosion

Headstyles: Domed, truss, countersunk
Materials: Steel, stainless steel, aluminium

extra large blind side footprint: Ideal for lower strength or thin
sheet joint materials

structural  fastener: Very high shear strength and high tensile
strength

flush  pinbreak: No catching on clothes, skin or goods.
Quick and easy visual inspection

internal pin locking mechanism: Secure within the rivet body
and protected from corrosion

Headstyles: Domed

Material: Steel

combines the wide grip range of the Magna-lok

®

and the high

shear strength of the Magna-Bulb

®

Wide grip range: Accommodates large variations in joint thickness

structural  fastener: High shear & tensile strength

large blind side footprint: Ideal for lower strength or thin sheet
joint materials

flush  pinbreak: No catching on clothes, skin or goods.
Quick and easy visual inspection

internal pin locking mechanism: Secure within the rivet body
and protected from corrosion, plus additional blind side pin locking
for increased fatigue life

Headstyles: Domed

Material: Steel

4.8

6.4

9.5

4.8

6.4

7.9

4.8

6.4

Ø

Ø

Ø

Magna-lok

®

Magna-BulB

®

Hucklok

®

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5

All dimensions are specified in mm.

Purpose design blind side shape for easy hole location: Ideal
for automated assembly

large blind side footprint: Ideal for lower strength or thin sheet
joint materials

good blind side clearance: Less space required on the blind
side prior to installation

High pin retention: Prevents possibility of noise or vibration in
dynamic assemblies

Recessed  pinbreak: No catching on clothes, skin or goods

structural  fastener: High shear & tensile strength

Headstyles: Domed

Material: Steel

Very high strength/diameter ratio: Can be used in demanding
structural applications as an alternative to threaded fasteners or
welding

Very high joint tightness when compared to conventional
blind fasteners

Very resistant to tampering, extremely hard to remove

excellent gap closure capability

large blind side footprint: Ideal for lower strength or thin
sheet joint materials

Headstyles: Domed

Material: Steel

6.4

Ø

Ø

auto-BulB

®

BoM

®

19.1

12.7

15.9

4.8

6.4

7.9

9.5

self countersinking head: Ideal for use on timber flooring and
phenolic faced plywood

Superior strength to conventional flooring screws: Reduces
the number of fasteners required and number of drilled holes

3 Clamp strengths available to suit your joint. No crushing
or pulling through the board

Recessed  pinbreak: No catching on clothes, skin or goods

Wide grip range: Accommodates a large variation in joint
thicknesses

Headstyles: Standard flange and wide flange

Material: Steel

Polymer watertight seal: Ideal for roofing or similar applications

extra large blind side footprint: Ideal for lower strength or thin
sheet joint materials

low clamp load: Perfect for use in thin sheet material, composites
and plastics

Wide grip range: Accommodates a large variation in joint
thicknesses

flush  pinbreak: No catching on clothes, skin or goods.
Quick and easy visual inspection

Headstyles: Domed, Low Profile, Shavable, 100° Oval

Material: Aluminium

7.9

Ø

Ø

flooRtigHt

®

– tHe flooRing sPecialist fasteneR

Magna-tite

®

– tHe Roofing sPecialist fasteneR

4.8

6.4

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www.kvt-fastening.com

Based on

Ø

6.4 mm

Material: steel

Material

Ø

Lock bolts

Ø

4.8 to 9.5 mm

Material Grade

Shear

Strength

Tensile

Strength

Clamp

Strength

Steel

Stainless

steel

Alumi

-

num

4.8

6.4

7.9

9.5

C6L

5.8

·

·

·

·

·

·

·

·

C120L

8.8

·

·

·

·

·

·

Magna-Grip

®

·

·

·

·

·

·

·

·

·

Huck-Spin

®

(small

Ø

)

5.8

/ 8.8

/ 10.9

·

·

·

·

·

·

·

k

ey f

o

r

Ø

4

.8 t

o 9

.5 m

m

S

he

ar S

tr

en

gt

h K

ey

Te

nsi

le

S

tr

eng

th

K

ey

C

la

m

p S

tr

en

gt

h K

ey

5.

6Kn

12

.8

Kn

20Kn

6.

8Kn

11

.9

Kn

17

Kn

0Kn

5Kn

10Kn

Based on

Ø

16 mm

Material: steel

Material

Ø

Lock bolts

Ø

12 to 28.6 mm

Material

Grade

Shear

Strength

Tensile

Strength

Clamp

Strength

Steel

Stainless

steel

Alumi

-

num

12/

12.7

14

15.9/

16

19.1

20

22.2

25.4

28.6

C50L

8.8

·

·

·

·

·

·

·

·

·

·

Huck-Fit

®

10.9

·

·

·

·

·

·

·

·

Huck-Spin

®

(large

Ø

)

10.9

·

·

·

·

·

·

·

·

k

ey f

o

r

Ø

1

2 t

o 2

8.

6 m

m

S

he

ar S

tr

en

gt

h K

ey

Te

nsi

le

S

tr

eng

th

K

ey

C

la

m

p S

tr

en

gt

h K

ey

20Kn

75

Kn

13

0Kn

17

Kn

96

Kn

17

5Kn

10Kn

63

Kn

11

6Kn

tecHnical data

C

12

0L

C

12

0L

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7

All dimensions are specified in mm.

k

ey f

o

r

Ø

6

,4 m

m

i

co

n

k

ey

S

he

ar S

tr

en

gt

h K

ey

Te

nsi

le

S

tr

eng

th

K

ey

BO

M

5.

6Kn

14

.2

Kn

22

.7

Kn

6.

8Kn

10

.7

Kn

14

.5

Kn

Based on

Ø

6.4 mm

Material: steel

Material

Ø

Structural Blind

Fasteners

Shear

Strength

Tensile

Strength

Steel

Stainless

steel

Alumi

-

num

4.8

6.4

7.9

9.5

12.7

22.2

15.9

19.1

Magna-Lok

®

·

·

·

·

·

·

·

·

·

·

HuckLok

®

·

·

·

·

·

Double

·

·

Magna-Bulb

®

·

·

·

·

·

·

·

Auto-Bulb

®

·

·

·

·

·

BOM

®

·

·

·

·

·

·

·

·

·

·

·

FloorT

ight

®

*

*

·

·

·

·

Magna-T

ite

®

**

**

·

·

·

·

·

·

·

BO

M

* O

nl

y a

va

ila

b

le w

ith

Ø

7

.9 m

m

. *

* O

nl

y a

va

ila

b

le i

n a

lu

m

in

um

.

E

xc

el

le

nt

G

ap

C

lo

sur

e

Flu

sh

P

inb

re

ak

P

in

tai

l-

le

ss

In

cl

ude

s

W

at

er

tig

ht

P

o

ly

me

r

La

rg

e

B

lind

si

d

e

Fo

ot

p

ri

nt

Ho

le

S

eeki

ng

Ti

p

W

id

e

G

ri

p Ra

ng

e

C

an b

e

re

m

ov

ed w

ith a

con

ve

nt

ion

al

to

ol

Fit

u

p

Fu

nc

tion

In

te

rn

al

P

in

L

o

ck

Flo

o

ri

ng

Fa

st

en

er

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8

www.kvt-fastening.com

Huck

®

lock Bolts

functionality

clamping force or Pre-load

In the initial stages of the installation

process, the tool engages and pulls on the
pintail. The joint is pulled together before the
conical shaped cavity of the nose assembly
is forced down the collar. This progressively
locks (swages) it into the grooves of the
harder pin. The pin and swaged collar
combine to form the installed fastener.
The squeezing action reduces the diameter
of the collar, increasing its length. This in
turn stretches the pin, generating a clamp
force over the joint.

shear strength of lockbolts vary accord-
ing to the material strength and minimal
diameter of the fastener. By increasing the
diameter or the grade of material, the shear
strength of the fastener can be increased.

the tensile strength of lockbolts is
dependent on the shear resistance of the
collar material and the number of grooves
it fills.

installation sequence

–  Pin placed into prepared hole
–  Collar placed over pin

–   Tool is placed over the fastener pintail and

activated

–  Pin head pulled against material
–  Anvil pushes collar against joint
–  Initial clamp generated

–  Tool swages collar, increasing clamp

–  Pintail breaks, installation complete

1

1

2

3

4

2

3

4

Head

Pin

Collar

Breakneck
groove

Pintail

Centerline

Shear Line

Pintail-less Lockbolt
after installation

Lockbolt after installation

tensile

shear

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9

Huck

®

stRuctuRal Blind fasteneRs

functionality

The

shear strength of structural blind

fasteners is generated by the combined
resistance against failure of the pin and
sleeve. This takes place along the joint’s
shear line between fastened plates.

The

tensile strength of structural blind

fasteners differs to that of Lockbolts, as
they form a blind side positive lock either by
bulbing or expanding of the sleeve. The
sleeve, assisted by the permanently secured
pin, therefore resists failure along its centre
line.
Bulbing – the sleeve of the fastener is
compressed, causing it to fold outwards to
form a bulb. This forms itself tightly against
the joint material. Once the pin is perma-
nently locked into place the pintail will break
off, completing the installation.
expanding – pulling on the pintail causes
the head of the pin to draw into the sleeve.
This expansion causes a foot print to form
against the joint material.

note: The pre-load of blind rivets is generally
not published, as it varies widely depending
on the application

installation sequence

–  Pin placed into prepared hole
–  Tool is placed over the fastener pintail

–  Tool activated
–  Deforming of blind side begins

–  Joint tightened
–  Internal locking mechanism formed

–  Pintail breaks, installation complete

1

2

3

4

2

3

4

Pintail

Pin

Sleeve

Internal Lock

Head of Pin

Center line

Shear line

Bilbing (Magna-Bulb

®

)

Expanding (HuckLok

®

)

tensile

shear

1

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10

www.kvt-fastening.com

Huck

®

tooling systeMs

Many different types of HUCK

®

installation

tooling systems are available. Some of the
most popular tools are shown below, but this
is just a small part of our range. Discuss your
requirements with our

dedicated systems

engineering team to find the optimum
solution to suit your need.

PneuMatic installation tools

HydRaulic installation tools

the basic tooling requirements to install
Huck

®

fasteners:

installation tool – Either pneumatic or hydrau-
lic
nose assembly – To match with the fastener
and tool
Powerig

®

– To supply power to hydraulic tools

additional Hose set – Sometimes required to
connect hydraulic tools to the Powerig

Pneudraulic installation
tool with vacuum pintail
collection bottle. Installs
4.8 and 6.4 mm struc-
tural blind rivets.

Hydraulic installation with
extra long stroke. Ideal
for installing Ø 9.5 mm
Magna-Lok

®

and Ø 7.9

mm Floortight. Will also
install Ø 7.9 and 9. 5 mm
Lockbolts and Structural
blind rivets.

Compact hydraulic instal-
lation tool; high speed
and high durability. Ideal
for high volume produc-
tion to install Ø 4.8 and
6.4 mm small Lockbolts
and structural blind rivets.

Hydraulic installation
tool. Installs Ø 14, 15.9,
16 and 19.1 mm large
Lockbolts and 15.9 and
19.1 mm BOM

®

structural

blind rivets.

Hydraulic installation
tool, compact swage
forward design. Installs Ø
14 and 16 mm Huck-
Spin

®

Lockbolts.

3 phase electric, portable
design. The Powerig can
be used will all hydraulic
installation tools.

Pneudraulic compact
powerful installation tool
with pintail bottle. Installs
Ø 4.8 and 6.4 mm small
Lockbolts and structural
blind rivets.

202V

Hk432

2628

Hssft-M16uk

2503

2480l

2025lB

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11

BoBtail

®

– tHe neXt steP in lockBolt eVolution

Benefits

no pin-tail or pin-break

– Reduced material wastage
– Low installation noise
– Increased corrosion resistance

newly designed, compact,
semi-automatic tooling

–  Fastener installs in only 2 seconds, up to

twice as fast as any other large diameter
LockBolt on the market.

–  Consistent, high quality installation – 25

years experience or a novice makes no
difference to the quality of the installation.

–  Smooth, shock free installation sequence –

eliminates jolts to the operators arms and
hands.

unique helical lock groove ( Ø 12 – 20 mm
only)

–  Holds pin and collar in place prior to

installation

Combined with all the benefits of using a
Huck

®

lockBolt

–  Permanent, mechanically locked fastener:

Installation process automatically provides
fastener values
No torque or re-torque required.

–  Unlike conventional nuts and bolts, they will

not work loose, even during extreme
vibration.

–  Easy visual inspection ensures correct

installation.

installation sequence

–  Pin placed into prepared hole
–  Collar spun onto pin

–   Tool is applied to the annular pull grooves

and activated

–   Pullers in nose assembly draw the pin

into the tool

–  Anvil pushes collar against joint
–  Initial clamp generated

–  Tool swages collar, increasing clamp

–  Swaging of collar complete
–   Tool ejects the fastener and releases

the puller
Installation complete

1

2

3

4

2

3

4

1

Tool

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tHe tRusted WoRld leadeR in
fastening, sealing and
floW contRol solutions

Whether it is about choosing the optimal
fastening, sealing or flow control element
or about developing special solutions for
complex process and construction
procedures – efficiency and project safety
are key in every single task.

Browse our website or contact us to find out
more about the entire range of products and
solutions in the field of high-end fastening,
sealing and flow control technology.
For further information please visit:

www.kvt-fastening.com

Joined to last.

Specifications subject to change without notice.

kVt-fastening ag

Dietikon/Zürich | Switzerland
info-CH@kvt-fastening.com
www.kvt-fastening.ch

kVt-fastening gmbH

Illerrieden | Germany
info-DE@kvt-fastening.com
www.kvt-fastening.de

kVt-fastening gmbH

Asten/Linz | Austria
info-AT@kvt-fastening.com
www.kvt-fastening.at

kVt-fastening sp. z o.o.

Warsaw | Poland
info-PL@kvt-fastening.com
www.kvt-fastening.pl

kVt-fastening s.R.l.

Bucureşti | Romania
info-RO@kvt-fastening.com
www.kvt-fastening.ro

kVt-fastening spol. s.r.o.

Bratislava | Slovakia
info-SK@kvt-fastening.com
www.kvt-fastening.sk

KVT-Tehnika pritrjevanja d.o.o.

Ljubljana | Slovenia
info-Sl@kvt-fastening.com
www.kvt-fastening.si

kVt-fastening s.r.o.

Brno | Czech  Republic
info-CZ@kvt-fastening.com
www.kvt-fastening.cz

kVt-fastening kft.

Budapest | Hungary
info-HU@kvt-fastening.com
www.kvt-fastening.hu

Energy  technology

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Construction  industry

Automotive

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Transportation

Mechanical  engineering

10 / 2011