ASSA Twin V-10: Difference between revisions

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| maker = [[ASSA]]
| maker = [[ASSA]]
| lock_type = [[Cylinder]]
| lock_type = [[Cylinder]]
| lock_design = [[Pin-tumbler]], [[Sidebar]]
| lock_design = [[Pin_tumbler|Pin-tumbler]], [[Sidebar]]
| years_produced = 1996-present<ref>[http://assalock.com/history.htm The History of ASSA High-Security Locks]</ref>
| years_produced = 1996-present<ref>[http://assalock.com/history.htm The History of ASSA High-Security Locks]</ref>
| patent =
| related = [[ASSA Twin 6000]]<br>[[ASSA Twin Combi]]<br>[[ASSA Twin Exclusive]]<br>[[ASSA Twin Maximum]]<br>[[ASSA Twin Pro]]
| related = [[ASSA Twin 6000]]<br>[[ASSA Twin Combi]]<br>[[ASSA Twin Exclusive]]<br>[[ASSA Twin Maximum]]<br>[[ASSA Twin Pro]]
| patent = [https://patents.google.com/patent/US5067335A/ US 5,067,335]
| patent = [https://patents.google.com/patent/US5067335A/ US 5,067,335]<br>Expired 2014
}}
}}


The '''Twin V-10''' (or '''V-10''', '''Twin 2''', '''Twin 7000''') is a [[UL 437]] rated [[pin-tumbler]] lock made by [[ASSA]]. The V-10 is part of the Twin series of locks that use pin-tumblers and a [[sidebar]] to provide two layers of security. The V-10 is an updated version of the [[ASSA Twin 6000]] cylinder.
The '''Twin V-10''' (or '''V-10''', '''Twin 2''', '''Twin 7000''') is a [[UL 437]] rated [[Pin_tumbler|pin-tumbler]] lock made by [[ASSA]]. The V-10 is part of the Twin series of locks that use pin-tumblers and a [[sidebar]] to provide two layers of security. The V-10 is an updated version of the [[ASSA Twin 6000]] cylinder.


The V-10 is distinct because it is the first of the Twin series to provide geographically distributed sidebar codes to protect against key interchange and unauthorized duplication. It also has a patented key control system that provides a high number of key and sidebar [[differs]].
The V-10 is distinct because it is the first of the Twin series to provide geographically distributed sidebar codes to protect against key interchange and unauthorized duplication. It also has a patented key control system that provides a high number of key and sidebar [[differs]](expired 2014).


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<div align="center"><gallery>
<div align="center"><gallery>
File:Assatwinv10cutaway-1.JPG|Assa twin V-10 factory cutaway.
File:Assatwinv10cutaway-1.JPG|ASSA Twin V-10 factory cutaway.
File:ASSA_Twin_V10_key.jpg|The V-10 key with sidebar bitting.
File:ASSA_Twin_V10_key.jpg|The V-10 key with sidebar bitting.
File:ASSA_Twin_V10_sidebar_pins.jpg|Finger pins used with the sidebar.
File:ASSA_Twin_V10_sidebar_pins.jpg|Finger pins used with the sidebar.
File:ASSA_Twin_V10_sidebar.jpg|The Twin V-10 sidebar.
File:ASSA_Twin_V10_sidebar.jpg|The Twin V-10 sidebar.
File:ASSA_Twin_V10_sidebar_aligned.jpg|The sidebar pins properly aligned.
File:ASSA_Twin_V10_sidebar_aligned.jpg|The sidebar pins properly aligned.
File:ASSA_Twin_2_plug_mill-Reinder.png |ASSA Twin 2 plug, showing steel rods and counter-milling in the pin chambers.
</gallery></div>
</gallery></div>


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<div align="center"><gallery>
<div align="center"><gallery>
File:ASSA_Twin_2_padlock_Ruko-Reinder.png |ASSA Ruko 2 padlock.
File:ASSA_Twin_2_key-Reinder.png |An ASSA Twin 2 key.
File:ASSA_Twin_2_key_bitting-Reinder.png |ASSA Twin 2 side bitting.
File:ASSA_Twin_2_key_profile-Reinder.png |ASSA Twin 2 key profile.
File:ASSA_Twin_V10_all_pins.jpg|Pins and springs used in the V-10 system.
File:ASSA_Twin_V10_all_pins.jpg|Pins and springs used in the V-10 system.
File:ASSA_Twin_2_barrel-Reinder.png |"Barrel" driver from an ASSA Twin 2 cylinder.
File:ASSA_Twin_V10_counter_milling.jpg|Counter milling in the plug chambers provides manipulation resistance.
File:ASSA_Twin_V10_counter_milling.jpg|Counter milling in the plug chambers provides manipulation resistance.
File:ASSA_Twin_2_plug_top-Reinder.png |ASSA Twin 2 plug.
File:ASSA_Twin_2_plug_bottom-Reinder.png |ASSA Twin 2 plug, bottom view.
File:ASSA_Twin_2_shell-Reinder.png |ASSA Twin 2 shell from a Ruko padlock.
File:ASSA_Twin_2_sidebar_back-Reinder.png |ASSA Twin 2 sidebar.
File:PK-MM_Open_Cen_2_21.png| ASSA Twin V-10 mini pin kit.
</gallery></div>
</gallery></div>


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* [[Pin_tumbler |Pin-tumbler]]
* [[Pin_tumbler |Pin-tumbler]]


[[Category:Lock models]]
[[Category:ASSA|Twin V-10]]
[[Category:ASSA|Twin V-10]]
[[Category:Pin-tumbler locks]]
[[Category:Pin-tumbler locks]]
[[Category:Sidebar locks]]
[[Category:Sidebar locks]]
[[Category:Undercut groove keyways]]
[[Category:UL 437 locks]]
[[Category:UL 437 locks]]
[[Category:Lock models]]

Latest revision as of 11:50, 21 February 2023

ASSA Twin V-10 (7000)

ASSA Twin V-10
ASSA Twin V10 cylinder.jpg
Name ASSA Twin V-10
Manufacturer ASSA
Lock Type Cylinder
Lock Design Pin-tumbler, Sidebar
Year(s) Produced 1996-present[1]
Patent US 5,067,335
Expired 2014
Related Locks
ASSA Twin 6000
ASSA Twin Combi
ASSA Twin Exclusive
ASSA Twin Maximum
ASSA Twin Pro


The Twin V-10 (or V-10, Twin 2, Twin 7000) is a UL 437 rated pin-tumbler lock made by ASSA. The V-10 is part of the Twin series of locks that use pin-tumblers and a sidebar to provide two layers of security. The V-10 is an updated version of the ASSA Twin 6000 cylinder.

The V-10 is distinct because it is the first of the Twin series to provide geographically distributed sidebar codes to protect against key interchange and unauthorized duplication. It also has a patented key control system that provides a high number of key and sidebar differs(expired 2014).

Principles of operation

The V-10 uses six pin-tumblers and five sidebar finger pins. The top (driver) pins use single and double-spool designs. Counter-milling in the plug chambers works with the spool pins and provides a high level of pick resistance. There are 9 depths available for bottom (key) pins, and four depths available for top (driver) pins. Top and bottom pins are combined to provide a uniform height pin stack that resists attack from comb picks as well as reduces wear on the springs. In total, there are 531,441 (96) theoretical key differs for the pin-tumbler portion of the lock.

The sidebar, located in the 8 o'clock position, is pushed out by two springs. The sidebar is interesting because it provides a pre-made set of cuts that must be matched by the finger pins. This contrasts traditional sidebars which have uniform sidebar cuts. In the V-10 system, all finger pins have the same true gates and the key raises them to different positions to match the sidebar. Manipulation protection on the finger pins is provided in the form of false gates above and below the true gate. V-10 finger pins can also be in either the for (left) or aft (right) positions. Mono-keyed locks all use the for position, but master key systems include both for and aft positions. Finger pins can be lifted to five different positions. In total, there are 100,000 ((5*2)5) sidebar bittings (3,125 in mono-keyed systems).

The cylinder and plug use a variety of hardened steel inserts to protect against forced entry. In the plug, steel rods are located at the 9, 12, and 3 o'clock positions. In the cylinder, three rods are located in front of the pin chambers at the 12 o'clock position. Rods near the third pin chamber in the plug and cylinder are also common.

Notes

  • The patent on V-10 key profiles ends in December, 2014.[2]
  • Older V-10 keys list the direct keyway code on the bow of the key. Newer keys use an indirect code.
  • The pin-tumbler bitting code is referred to as the system code, and the sidebar bitting code as the sidebar code.

Disassembly instructions

The V-10 is disassembled in the same way as a traditional pin-tumbler cylinder. The sidebar does not cause too many problems when the plug is removed. When the key is removed from the exposed plug the finger pins will be forced out by spring pressure.

  1. Remove the cam or C-clip.
  2. Insert the key and turn the plug 45-90 degrees.
  3. Withdraw the plug from the cylinder. (A plug follower is recommended)

OR

  1. Remove the chamber casings and take out each pin-stack individually
  2. Remove the cam or C-clip.
  3. Withdraw the plug from the cylinder.


Vulnerabilities

The V-10 system may be vulnerable to one or more of the following:

Notes

  • Bumping is possible given a bump key with the correct sidebar bitting. This was a cause for concern when bumping became popular because of the poor distribution of regional sidebar codes in the V-10 system.

Gallery

References

See also